Setup renovate for dist-workspace.toml

.cargo/config.toml

@@ -8,3 +8,7 @@ benchmark = "bench -p ruff_benchmark --bench linter --bench formatter --"
 # See: https://github.com/astral-sh/ruff/issues/11503
 [target.'cfg(all(target_env="msvc", target_os = "windows"))']
 rustflags = ["-C", "target-feature=+crt-static"]
+
+[target.'wasm32-unknown-unknown']
+# See https://docs.rs/getrandom/latest/getrandom/#webassembly-support
+rustflags = ["--cfg", 'getrandom_backend="wasm_js"']

.config/nextest.toml

@@ -1,12 +1,3 @@
-# Define serial test group for running tests sequentially.
-[test-groups]
-serial = { max-threads = 1 }
-
-# Run ty file watching tests sequentially to avoid race conditions.
-[[profile.default.overrides]]
-filter = 'binary(file_watching)'
-test-group = 'serial'
-
 [profile.ci]
 # Print out output for failing tests as soon as they fail, and also at the end
 # of the run (for easy scrollability).

.devcontainer/post-create.sh

@@ -5,4 +5,4 @@ rustup component add clippy rustfmt
 cargo install cargo-insta
 cargo fetch
 
-pip install maturin prek
+pip install maturin pre-commit

.editorconfig

@@ -10,7 +10,7 @@ indent_style = space
 insert_final_newline = true
 indent_size = 2
 
-[*.{rs,py,pyi,toml}]
+[*.{rs,py,pyi}]
 indent_size = 4
 
 [*.snap]
@@ -18,3 +18,6 @@ trim_trailing_whitespace = false
 
 [*.md]
 max_line_length = 100
+
+[*.toml]
+indent_size = 4

.gitattributes

@@ -22,7 +22,6 @@ crates/ruff_linter/resources/test/fixtures/pyupgrade/UP018_CR.py text eol=cr
 crates/ruff_linter/resources/test/fixtures/pyupgrade/UP018_LF.py text eol=lf
 
 crates/ruff_python_parser/resources/inline linguist-generated=true
-crates/ty_python_semantic/resources/mdtest/external/*.lock linguist-generated=true
 
 ruff.schema.json -diff linguist-generated=true text=auto eol=lf
 ty.schema.json -diff linguist-generated=true text=auto eol=lf

.github/CODEOWNERS

@@ -19,12 +19,6 @@
 
 # ty
 /crates/ty* @carljm @MichaReiser @AlexWaygood @sharkdp @dcreager
-/crates/ruff_db/ @carljm @MichaReiser @sharkdp @dcreager
-/crates/ty_project/ @carljm @MichaReiser @sharkdp @dcreager @Gankra
-/crates/ty_ide/ @carljm @MichaReiser @AlexWaygood @sharkdp @dcreager @Gankra
-/crates/ty_server/ @carljm @MichaReiser @sharkdp @dcreager @Gankra
-/crates/ty/ @carljm @MichaReiser @sharkdp @dcreager
-/crates/ty_wasm/ @carljm @MichaReiser @sharkdp @dcreager @Gankra
+/crates/ruff_db/ @carljm @MichaReiser @AlexWaygood @sharkdp @dcreager
 /scripts/ty_benchmark/ @carljm @MichaReiser @AlexWaygood @sharkdp @dcreager
-/crates/ty_python_semantic/ @carljm @AlexWaygood @sharkdp @dcreager
-/crates/ty_module_resolver/ @carljm @MichaReiser @AlexWaygood @Gankra
+/crates/ty_python_semantic @carljm @AlexWaygood @sharkdp @dcreager

.github/actionlint.yaml

@@ -1,20 +1,13 @@
-# Configuration for the actionlint tool, which we run via prek
+# Configuration for the actionlint tool, which we run via pre-commit
 # to verify the correctness of the syntax in our GitHub Actions workflows.
 
 self-hosted-runner:
   # Various runners we use that aren't recognized out-of-the-box by actionlint:
   labels:
-    - depot-ubuntu-24.04-4
     - depot-ubuntu-latest-8
     - depot-ubuntu-22.04-16
     - depot-ubuntu-22.04-32
     - depot-windows-2022-16
-    - depot-ubuntu-22.04-arm-4
     - github-windows-2025-x86_64-8
     - github-windows-2025-x86_64-16
     - codspeed-macro
-
-paths:
-  ".github/workflows/mypy_primer.yaml":
-    ignore:
-      - 'constant expression "false" in condition. remove the if: section'

.github/mypy-primer-ty.toml

@@ -4,6 +4,5 @@
 # Enable off-by-default rules.
 [rules]
 possibly-unresolved-reference = "warn"
-possibly-missing-import = "warn"
+unused-ignore-comment = "warn"
 division-by-zero = "warn"
-unsupported-dynamic-base = "warn"

.github/renovate.json5

@@ -2,11 +2,12 @@
   $schema: "https://docs.renovatebot.com/renovate-schema.json",
   dependencyDashboard: true,
   suppressNotifications: ["prEditedNotification"],
-  extends: ["github>astral-sh/renovate-config"],
+  extends: ["config:recommended"],
   labels: ["internal"],
   schedule: ["before 4am on Monday"],
   semanticCommits: "disabled",
   separateMajorMinor: false,
+  prHourlyLimit: 10,
   enabledManagers: ["github-actions", "pre-commit", "cargo", "pep621", "pip_requirements", "npm"],
   cargo: {
     // See https://docs.renovatebot.com/configuration-options/#rangestrategy
@@ -15,7 +16,7 @@
   pep621: {
     // The default for this package manager is to only search for `pyproject.toml` files
     // found at the repository root: https://docs.renovatebot.com/modules/manager/pep621/#file-matching
-    managerFilePatterns: ["^(python|scripts)/.*pyproject\\.toml$"],
+    managerFilePatterns: ["/^(python|scripts)/.*pyproject\\.toml$/"],
   },
   pip_requirements: {
     // The default for this package manager is to run on all requirements.txt files:
@@ -33,12 +34,32 @@
   npm: {
     // The default for this package manager is to only search for `package.json` files
     // found at the repository root: https://docs.renovatebot.com/modules/manager/npm/#file-matching
-    managerFilePatterns: ["^playground/.*package\\.json$"],
+    managerFilePatterns: ["/^playground/.*package\\.json$/"],
   },
+  customManagers: [
+    {
+      customType: "regex",
+      managerFilePatterns: ["/^dist-workspace\\.toml$/"],
+      matchStrings: [
+        '"(?<depName>actions/[^"]+)" = "(?<currentDigest>[a-f0-9]{40})"\\s*#\\s*(?<currentValue>v[\\d\\.]+).*'
+      ],
+      datasourceTemplate: "github-tags",
+      autoReplaceStringTemplate: '"{{depName}}" = "{{newDigest}}" # {{newValue}}"',
+      extractVersionTemplate: "^(?<version>v[\\d\\.]+)$",
+      versioningTemplate: "semver"
+    }
+  ],
   "pre-commit": {
     enabled: true,
   },
   packageRules: [
+    // Ignore GitHub Actions in generated release.yml (managed by cargo-dist)
+    {
+      matchManagers: ["github-actions"],
+      matchFileNames: [".github/workflows/release.yml"],
+      enabled: false,
+      description: "Ignore GitHub Actions in release.yml as it's generated by cargo-dist",
+    },
     // Pin GitHub Actions to immutable SHAs.
     {
       matchDepTypes: ["action"],
@@ -76,9 +97,17 @@
       enabled: false,
     },
     {
-      groupName: "prek dependencies",
+      // `mkdocs-material` requires a manual update to keep the version in sync
+      // with `mkdocs-material-insider`.
+      // See: https://squidfunk.github.io/mkdocs-material/insiders/upgrade/
+      matchManagers: ["pip_requirements"],
+      matchPackageNames: ["mkdocs-material"],
+      enabled: false,
+    },
+    {
+      groupName: "pre-commit dependencies",
       matchManagers: ["pre-commit"],
-      description: "Weekly update of prek dependencies",
+      description: "Weekly update of pre-commit dependencies",
     },
     {
       groupName: "NPM Development dependencies",
@@ -97,6 +126,11 @@
       matchManagers: ["cargo"],
       matchPackageNames: ["strum"],
       description: "Weekly update of strum dependencies",
+    },
+    {
+      groupName: "cargo-dist GitHub Actions",
+      matchManagers: ["custom.regex"],
+      description: "Weekly update of GitHub Actions dependencies managed by cargo-dist",
     }
   ],
   vulnerabilityAlerts: {

.github/workflows/build-binaries.yml

@@ -39,19 +39,18 @@ jobs:
     if: ${{ !contains(github.event.pull_request.labels.*.name, 'no-build') }}
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
+      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
         with:
           submodules: recursive
           persist-credentials: false
-      - uses: actions/setup-python@83679a892e2d95755f2dac6acb0bfd1e9ac5d548 # v6.1.0
+      - uses: actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065 # v5.6.0
         with:
           python-version: ${{ env.PYTHON_VERSION }}
       - name: "Prep README.md"
         run: python scripts/transform_readme.py --target pypi
       - name: "Build sdist"
-        uses: PyO3/maturin-action@86b9d133d34bc1b40018696f782949dac11bd380 # v1.49.4
+        uses: PyO3/maturin-action@35be3186fc8e037e329f06b68dcd807d83dcc6dc # v1.49.2
         with:
-          maturin-version: v1.9.6
           command: sdist
           args: --out dist
       - name: "Test sdist"
@@ -60,7 +59,7 @@ jobs:
           "${MODULE_NAME}" --help
           python -m "${MODULE_NAME}" --help
       - name: "Upload sdist"
-        uses: actions/upload-artifact@b7c566a772e6b6bfb58ed0dc250532a479d7789f # v6.0.0
+        uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02 # v4.6.2
         with:
           name: wheels-sdist
           path: dist
@@ -69,24 +68,23 @@ jobs:
     if: ${{ !contains(github.event.pull_request.labels.*.name, 'no-build') }}
     runs-on: macos-14
     steps:
-      - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
+      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
         with:
           submodules: recursive
           persist-credentials: false
-      - uses: actions/setup-python@83679a892e2d95755f2dac6acb0bfd1e9ac5d548 # v6.1.0
+      - uses: actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065 # v5.6.0
         with:
           python-version: ${{ env.PYTHON_VERSION }}
           architecture: x64
       - name: "Prep README.md"
         run: python scripts/transform_readme.py --target pypi
       - name: "Build wheels - x86_64"
-        uses: PyO3/maturin-action@86b9d133d34bc1b40018696f782949dac11bd380 # v1.49.4
+        uses: PyO3/maturin-action@35be3186fc8e037e329f06b68dcd807d83dcc6dc # v1.49.2
         with:
-          maturin-version: v1.9.6
           target: x86_64
           args: --release --locked --out dist
       - name: "Upload wheels"
-        uses: actions/upload-artifact@b7c566a772e6b6bfb58ed0dc250532a479d7789f # v6.0.0
+        uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02 # v4.6.2
         with:
           name: wheels-macos-x86_64
           path: dist
@@ -101,7 +99,7 @@ jobs:
           tar czvf $ARCHIVE_FILE $ARCHIVE_NAME
           shasum -a 256 $ARCHIVE_FILE > $ARCHIVE_FILE.sha256
       - name: "Upload binary"
-        uses: actions/upload-artifact@b7c566a772e6b6bfb58ed0dc250532a479d7789f # v6.0.0
+        uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02 # v4.6.2
         with:
           name: artifacts-macos-x86_64
           path: |
@@ -112,20 +110,19 @@ jobs:
     if: ${{ !contains(github.event.pull_request.labels.*.name, 'no-build') }}
     runs-on: macos-14
     steps:
-      - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
+      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
         with:
           submodules: recursive
           persist-credentials: false
-      - uses: actions/setup-python@83679a892e2d95755f2dac6acb0bfd1e9ac5d548 # v6.1.0
+      - uses: actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065 # v5.6.0
         with:
           python-version: ${{ env.PYTHON_VERSION }}
           architecture: arm64
       - name: "Prep README.md"
         run: python scripts/transform_readme.py --target pypi
       - name: "Build wheels - aarch64"
-        uses: PyO3/maturin-action@86b9d133d34bc1b40018696f782949dac11bd380 # v1.49.4
+        uses: PyO3/maturin-action@35be3186fc8e037e329f06b68dcd807d83dcc6dc # v1.49.2
         with:
-          maturin-version: v1.9.6
           target: aarch64
           args: --release --locked --out dist
       - name: "Test wheel - aarch64"
@@ -134,7 +131,7 @@ jobs:
           ruff --help
           python -m ruff --help
       - name: "Upload wheels"
-        uses: actions/upload-artifact@b7c566a772e6b6bfb58ed0dc250532a479d7789f # v6.0.0
+        uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02 # v4.6.2
         with:
           name: wheels-aarch64-apple-darwin
           path: dist
@@ -149,7 +146,7 @@ jobs:
           tar czvf $ARCHIVE_FILE $ARCHIVE_NAME
           shasum -a 256 $ARCHIVE_FILE > $ARCHIVE_FILE.sha256
       - name: "Upload binary"
-        uses: actions/upload-artifact@b7c566a772e6b6bfb58ed0dc250532a479d7789f # v6.0.0
+        uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02 # v4.6.2
         with:
           name: artifacts-aarch64-apple-darwin
           path: |
@@ -169,20 +166,19 @@ jobs:
           - target: aarch64-pc-windows-msvc
             arch: x64
     steps:
-      - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
+      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
         with:
           submodules: recursive
           persist-credentials: false
-      - uses: actions/setup-python@83679a892e2d95755f2dac6acb0bfd1e9ac5d548 # v6.1.0
+      - uses: actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065 # v5.6.0
         with:
           python-version: ${{ env.PYTHON_VERSION }}
           architecture: ${{ matrix.platform.arch }}
       - name: "Prep README.md"
         run: python scripts/transform_readme.py --target pypi
       - name: "Build wheels"
-        uses: PyO3/maturin-action@86b9d133d34bc1b40018696f782949dac11bd380 # v1.49.4
+        uses: PyO3/maturin-action@35be3186fc8e037e329f06b68dcd807d83dcc6dc # v1.49.2
         with:
-          maturin-version: v1.9.6
           target: ${{ matrix.platform.target }}
           args: --release --locked --out dist
         env:
@@ -196,7 +192,7 @@ jobs:
           "${MODULE_NAME}" --help
           python -m "${MODULE_NAME}" --help
       - name: "Upload wheels"
-        uses: actions/upload-artifact@b7c566a772e6b6bfb58ed0dc250532a479d7789f # v6.0.0
+        uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02 # v4.6.2
         with:
           name: wheels-${{ matrix.platform.target }}
           path: dist
@@ -207,7 +203,7 @@ jobs:
           7z a $ARCHIVE_FILE ./target/${{ matrix.platform.target }}/release/ruff.exe
           sha256sum $ARCHIVE_FILE > $ARCHIVE_FILE.sha256
       - name: "Upload binary"
-        uses: actions/upload-artifact@b7c566a772e6b6bfb58ed0dc250532a479d7789f # v6.0.0
+        uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02 # v4.6.2
         with:
           name: artifacts-${{ matrix.platform.target }}
           path: |
@@ -223,20 +219,19 @@ jobs:
           - x86_64-unknown-linux-gnu
           - i686-unknown-linux-gnu
     steps:
-      - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
+      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
         with:
           submodules: recursive
           persist-credentials: false
-      - uses: actions/setup-python@83679a892e2d95755f2dac6acb0bfd1e9ac5d548 # v6.1.0
+      - uses: actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065 # v5.6.0
         with:
           python-version: ${{ env.PYTHON_VERSION }}
           architecture: x64
       - name: "Prep README.md"
         run: python scripts/transform_readme.py --target pypi
       - name: "Build wheels"
-        uses: PyO3/maturin-action@86b9d133d34bc1b40018696f782949dac11bd380 # v1.49.4
+        uses: PyO3/maturin-action@35be3186fc8e037e329f06b68dcd807d83dcc6dc # v1.49.2
         with:
-          maturin-version: v1.9.6
           target: ${{ matrix.target }}
           manylinux: auto
           args: --release --locked --out dist
@@ -247,7 +242,7 @@ jobs:
           "${MODULE_NAME}" --help
           python -m "${MODULE_NAME}" --help
       - name: "Upload wheels"
-        uses: actions/upload-artifact@b7c566a772e6b6bfb58ed0dc250532a479d7789f # v6.0.0
+        uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02 # v4.6.2
         with:
           name: wheels-${{ matrix.target }}
           path: dist
@@ -265,7 +260,7 @@ jobs:
           tar czvf $ARCHIVE_FILE $ARCHIVE_NAME
           shasum -a 256 $ARCHIVE_FILE > $ARCHIVE_FILE.sha256
       - name: "Upload binary"
-        uses: actions/upload-artifact@b7c566a772e6b6bfb58ed0dc250532a479d7789f # v6.0.0
+        uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02 # v4.6.2
         with:
           name: artifacts-${{ matrix.target }}
           path: |
@@ -297,23 +292,20 @@ jobs:
             maturin_docker_options: -e JEMALLOC_SYS_WITH_LG_PAGE=16
           - target: arm-unknown-linux-musleabihf
             arch: arm
-          - target: riscv64gc-unknown-linux-gnu
-            arch: riscv64
 
     steps:
-      - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
+      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
         with:
           submodules: recursive
           persist-credentials: false
-      - uses: actions/setup-python@83679a892e2d95755f2dac6acb0bfd1e9ac5d548 # v6.1.0
+      - uses: actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065 # v5.6.0
         with:
           python-version: ${{ env.PYTHON_VERSION }}
       - name: "Prep README.md"
         run: python scripts/transform_readme.py --target pypi
       - name: "Build wheels"
-        uses: PyO3/maturin-action@86b9d133d34bc1b40018696f782949dac11bd380 # v1.49.4
+        uses: PyO3/maturin-action@35be3186fc8e037e329f06b68dcd807d83dcc6dc # v1.49.2
         with:
-          maturin-version: v1.9.6
           target: ${{ matrix.platform.target }}
           manylinux: auto
           docker-options: ${{ matrix.platform.maturin_docker_options }}
@@ -327,13 +319,13 @@ jobs:
           githubToken: ${{ github.token }}
           install: |
             apt-get update
-            apt-get install -y --no-install-recommends python3 python3-pip libatomic1
+            apt-get install -y --no-install-recommends python3 python3-pip
             pip3 install -U pip
           run: |
             pip3 install ${{ env.PACKAGE_NAME }} --no-index --find-links dist/ --force-reinstall
             ruff --help
       - name: "Upload wheels"
-        uses: actions/upload-artifact@b7c566a772e6b6bfb58ed0dc250532a479d7789f # v6.0.0
+        uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02 # v4.6.2
         with:
           name: wheels-${{ matrix.platform.target }}
           path: dist
@@ -351,7 +343,7 @@ jobs:
           tar czvf $ARCHIVE_FILE $ARCHIVE_NAME
           shasum -a 256 $ARCHIVE_FILE > $ARCHIVE_FILE.sha256
       - name: "Upload binary"
-        uses: actions/upload-artifact@b7c566a772e6b6bfb58ed0dc250532a479d7789f # v6.0.0
+        uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02 # v4.6.2
         with:
           name: artifacts-${{ matrix.platform.target }}
           path: |
@@ -367,20 +359,19 @@ jobs:
           - x86_64-unknown-linux-musl
           - i686-unknown-linux-musl
     steps:
-      - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
+      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
         with:
           submodules: recursive
           persist-credentials: false
-      - uses: actions/setup-python@83679a892e2d95755f2dac6acb0bfd1e9ac5d548 # v6.1.0
+      - uses: actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065 # v5.6.0
         with:
           python-version: ${{ env.PYTHON_VERSION }}
           architecture: x64
       - name: "Prep README.md"
         run: python scripts/transform_readme.py --target pypi
       - name: "Build wheels"
-        uses: PyO3/maturin-action@86b9d133d34bc1b40018696f782949dac11bd380 # v1.49.4
+        uses: PyO3/maturin-action@35be3186fc8e037e329f06b68dcd807d83dcc6dc # v1.49.2
         with:
-          maturin-version: v1.9.6
           target: ${{ matrix.target }}
           manylinux: musllinux_1_2
           args: --release --locked --out dist
@@ -396,7 +387,7 @@ jobs:
             .venv/bin/pip3 install ${{ env.PACKAGE_NAME }} --no-index --find-links dist/ --force-reinstall
             .venv/bin/${{ env.MODULE_NAME }} --help
       - name: "Upload wheels"
-        uses: actions/upload-artifact@b7c566a772e6b6bfb58ed0dc250532a479d7789f # v6.0.0
+        uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02 # v4.6.2
         with:
           name: wheels-${{ matrix.target }}
           path: dist
@@ -414,7 +405,7 @@ jobs:
           tar czvf $ARCHIVE_FILE $ARCHIVE_NAME
           shasum -a 256 $ARCHIVE_FILE > $ARCHIVE_FILE.sha256
       - name: "Upload binary"
-        uses: actions/upload-artifact@b7c566a772e6b6bfb58ed0dc250532a479d7789f # v6.0.0
+        uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02 # v4.6.2
         with:
           name: artifacts-${{ matrix.target }}
           path: |
@@ -434,19 +425,18 @@ jobs:
             arch: armv7
 
     steps:
-      - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
+      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
         with:
           submodules: recursive
           persist-credentials: false
-      - uses: actions/setup-python@83679a892e2d95755f2dac6acb0bfd1e9ac5d548 # v6.1.0
+      - uses: actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065 # v5.6.0
         with:
           python-version: ${{ env.PYTHON_VERSION }}
       - name: "Prep README.md"
         run: python scripts/transform_readme.py --target pypi
       - name: "Build wheels"
-        uses: PyO3/maturin-action@86b9d133d34bc1b40018696f782949dac11bd380 # v1.49.4
+        uses: PyO3/maturin-action@35be3186fc8e037e329f06b68dcd807d83dcc6dc # v1.49.2
         with:
-          maturin-version: v1.9.6
           target: ${{ matrix.platform.target }}
           manylinux: musllinux_1_2
           args: --release --locked --out dist
@@ -464,7 +454,7 @@ jobs:
             .venv/bin/pip3 install ${{ env.PACKAGE_NAME }} --no-index --find-links dist/ --force-reinstall
             .venv/bin/${{ env.MODULE_NAME }} --help
       - name: "Upload wheels"
-        uses: actions/upload-artifact@b7c566a772e6b6bfb58ed0dc250532a479d7789f # v6.0.0
+        uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02 # v4.6.2
         with:
           name: wheels-${{ matrix.platform.target }}
           path: dist
@@ -482,7 +472,7 @@ jobs:
           tar czvf $ARCHIVE_FILE $ARCHIVE_NAME
           shasum -a 256 $ARCHIVE_FILE > $ARCHIVE_FILE.sha256
       - name: "Upload binary"
-        uses: actions/upload-artifact@b7c566a772e6b6bfb58ed0dc250532a479d7789f # v6.0.0
+        uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02 # v4.6.2
         with:
           name: artifacts-${{ matrix.platform.target }}
           path: |

.github/workflows/build-docker.yml

@@ -20,12 +20,6 @@ on:
 env:
   RUFF_BASE_IMG: ghcr.io/${{ github.repository_owner }}/ruff
 
-permissions:
-  contents: read
-  # TODO(zanieb): Ideally, this would be `read` on dry-run but that will require
-  # significant changes to the workflow.
-  packages: write # zizmor: ignore[excessive-permissions]
-
 jobs:
   docker-build:
     name: Build Docker image (ghcr.io/astral-sh/ruff) for ${{ matrix.platform }}
@@ -39,14 +33,14 @@ jobs:
           - linux/amd64
           - linux/arm64
     steps:
-      - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
+      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
         with:
           submodules: recursive
           persist-credentials: false
 
-      - uses: docker/setup-buildx-action@8d2750c68a42422c14e847fe6c8ac0403b4cbd6f # v3.12.0
+      - uses: docker/setup-buildx-action@e468171a9de216ec08956ac3ada2f0791b6bd435 # v3.11.1
 
-      - uses: docker/login-action@5e57cd118135c172c3672efd75eb46360885c0ef # v3.6.0
+      - uses: docker/login-action@74a5d142397b4f367a81961eba4e8cd7edddf772 # v3.4.0
         with:
           registry: ghcr.io
           username: ${{ github.repository_owner }}
@@ -69,7 +63,7 @@ jobs:
 
       - name: Extract metadata (tags, labels) for Docker
         id: meta
-        uses: docker/metadata-action@c299e40c65443455700f0fdfc63efafe5b349051 # v5.10.0
+        uses: docker/metadata-action@902fa8ec7d6ecbf8d84d538b9b233a880e428804 # v5.7.0
         with:
           images: ${{ env.RUFF_BASE_IMG }}
           # Defining this makes sure the org.opencontainers.image.version OCI label becomes the actual release version and not the branch name
@@ -102,7 +96,7 @@ jobs:
           touch "/tmp/digests/${digest#sha256:}"
 
       - name: Upload digests
-        uses: actions/upload-artifact@b7c566a772e6b6bfb58ed0dc250532a479d7789f # v6.0.0
+        uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02 # v4.6.2
         with:
           name: digests-${{ env.PLATFORM_TUPLE }}
           path: /tmp/digests/*
@@ -119,17 +113,17 @@ jobs:
     if: ${{ inputs.plan != '' && !fromJson(inputs.plan).announcement_tag_is_implicit }}
     steps:
       - name: Download digests
-        uses: actions/download-artifact@37930b1c2abaa49bbe596cd826c3c89aef350131 # v7.0.0
+        uses: actions/download-artifact@d3f86a106a0bac45b974a628896c90dbdf5c8093 # v4.3.0
         with:
           path: /tmp/digests
           pattern: digests-*
           merge-multiple: true
 
-      - uses: docker/setup-buildx-action@8d2750c68a42422c14e847fe6c8ac0403b4cbd6f # v3.12.0
+      - uses: docker/setup-buildx-action@e468171a9de216ec08956ac3ada2f0791b6bd435 # v3.11.1
 
       - name: Extract metadata (tags, labels) for Docker
         id: meta
-        uses: docker/metadata-action@c299e40c65443455700f0fdfc63efafe5b349051 # v5.10.0
+        uses: docker/metadata-action@902fa8ec7d6ecbf8d84d538b9b233a880e428804 # v5.7.0
         with:
           images: ${{ env.RUFF_BASE_IMG }}
           # Order is on purpose such that the label org.opencontainers.image.version has the first pattern with the full version
@@ -137,7 +131,7 @@ jobs:
             type=pep440,pattern={{ version }},value=${{ fromJson(inputs.plan).announcement_tag }}
             type=pep440,pattern={{ major }}.{{ minor }},value=${{ fromJson(inputs.plan).announcement_tag }}
 
-      - uses: docker/login-action@5e57cd118135c172c3672efd75eb46360885c0ef # v3.6.0
+      - uses: docker/login-action@74a5d142397b4f367a81961eba4e8cd7edddf772 # v3.4.0
         with:
           registry: ghcr.io
           username: ${{ github.repository_owner }}
@@ -173,9 +167,9 @@ jobs:
           - debian:bookworm-slim,bookworm-slim,debian-slim
           - buildpack-deps:bookworm,bookworm,debian
     steps:
-      - uses: docker/setup-buildx-action@8d2750c68a42422c14e847fe6c8ac0403b4cbd6f # v3.12.0
+      - uses: docker/setup-buildx-action@e468171a9de216ec08956ac3ada2f0791b6bd435 # v3.11.1
 
-      - uses: docker/login-action@5e57cd118135c172c3672efd75eb46360885c0ef # v3.6.0
+      - uses: docker/login-action@74a5d142397b4f367a81961eba4e8cd7edddf772 # v3.4.0
         with:
           registry: ghcr.io
           username: ${{ github.repository_owner }}
@@ -225,7 +219,7 @@ jobs:
 
       - name: Extract metadata (tags, labels) for Docker
         id: meta
-        uses: docker/metadata-action@c299e40c65443455700f0fdfc63efafe5b349051 # v5.10.0
+        uses: docker/metadata-action@902fa8ec7d6ecbf8d84d538b9b233a880e428804 # v5.7.0
         # ghcr.io prefers index level annotations
         env:
           DOCKER_METADATA_ANNOTATIONS_LEVELS: index
@@ -262,17 +256,17 @@ jobs:
     if: ${{ inputs.plan != '' && !fromJson(inputs.plan).announcement_tag_is_implicit }}
     steps:
       - name: Download digests
-        uses: actions/download-artifact@37930b1c2abaa49bbe596cd826c3c89aef350131 # v7.0.0
+        uses: actions/download-artifact@d3f86a106a0bac45b974a628896c90dbdf5c8093 # v4.3.0
         with:
           path: /tmp/digests
           pattern: digests-*
           merge-multiple: true
 
-      - uses: docker/setup-buildx-action@8d2750c68a42422c14e847fe6c8ac0403b4cbd6f # v3.12.0
+      - uses: docker/setup-buildx-action@e468171a9de216ec08956ac3ada2f0791b6bd435 # v3.11.1
 
       - name: Extract metadata (tags, labels) for Docker
         id: meta
-        uses: docker/metadata-action@c299e40c65443455700f0fdfc63efafe5b349051 # v5.10.0
+        uses: docker/metadata-action@902fa8ec7d6ecbf8d84d538b9b233a880e428804 # v5.7.0
         env:
           DOCKER_METADATA_ANNOTATIONS_LEVELS: index
         with:
@@ -282,7 +276,7 @@ jobs:
             type=pep440,pattern={{ version }},value=${{ fromJson(inputs.plan).announcement_tag }}
             type=pep440,pattern={{ major }}.{{ minor }},value=${{ fromJson(inputs.plan).announcement_tag }}
 
-      - uses: docker/login-action@5e57cd118135c172c3672efd75eb46360885c0ef # v3.6.0
+      - uses: docker/login-action@74a5d142397b4f367a81961eba4e8cd7edddf772 # v3.4.0
         with:
           registry: ghcr.io
           username: ${{ github.repository_owner }}

.github/workflows/build-wasm.yml

@@ -1,58 +0,0 @@
-# Build ruff_wasm for npm.
-#
-# Assumed to run as a subworkflow of .github/workflows/release.yml; specifically, as a local
-# artifacts job within `cargo-dist`.
-name: "Build wasm"
-
-on:
-  workflow_call:
-    inputs:
-      plan:
-        required: true
-        type: string
-  pull_request:
-    paths:
-      - .github/workflows/build-wasm.yml
-
-concurrency:
-  group: ${{ github.workflow }}-${{ github.ref }}
-  cancel-in-progress: true
-
-permissions: {}
-
-env:
-  CARGO_INCREMENTAL: 0
-  CARGO_NET_RETRY: 10
-  CARGO_TERM_COLOR: always
-  RUSTUP_MAX_RETRIES: 10
-
-jobs:
-  build:
-    if: ${{ !contains(github.event.pull_request.labels.*.name, 'no-build') }}
-    runs-on: ubuntu-latest
-    strategy:
-      matrix:
-        target: [web, bundler, nodejs]
-      fail-fast: false
-    steps:
-      - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
-        with:
-          persist-credentials: false
-      - name: "Install Rust toolchain"
-        run: rustup target add wasm32-unknown-unknown
-      - uses: jetli/wasm-pack-action@0d096b08b4e5a7de8c28de67e11e945404e9eefa # v0.4.0
-        with:
-          version: v0.13.1
-      - uses: jetli/wasm-bindgen-action@20b33e20595891ab1a0ed73145d8a21fc96e7c29 # v0.2.0
-      - name: "Run wasm-pack build"
-        run: wasm-pack build --target ${{ matrix.target }} crates/ruff_wasm
-      - name: "Rename generated package"
-        run: | # Replace the package name w/ jq
-          jq '.name="@astral-sh/ruff-wasm-${{ matrix.target }}"' crates/ruff_wasm/pkg/package.json > /tmp/package.json
-          mv /tmp/package.json crates/ruff_wasm/pkg
-      - run: cp LICENSE crates/ruff_wasm/pkg # wasm-pack does not put the LICENSE file in the pkg
-      - name: "Upload wasm artifact"
-        uses: actions/upload-artifact@b7c566a772e6b6bfb58ed0dc250532a479d7789f # v6.0.0
-        with:
-          name: artifacts-wasm-${{ matrix.target }}
-          path: crates/ruff_wasm/pkg

.github/workflows/daily_fuzz.yaml

@@ -31,15 +31,15 @@ jobs:
     # Don't run the cron job on forks:
     if: ${{ github.repository == 'astral-sh/ruff' || github.event_name != 'schedule' }}
     steps:
-      - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
+      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
         with:
           persist-credentials: false
-      - uses: astral-sh/setup-uv@61cb8a9741eeb8a550a1b8544337180c0fc8476b # v7.2.0
+      - uses: astral-sh/setup-uv@445689ea25e0de0a23313031f5fe577c74ae45a1 # v6.3.0
       - name: "Install Rust toolchain"
         run: rustup show
       - name: "Install mold"
-        uses: rui314/setup-mold@725a8794d15fc7563f59595bd9556495c0564878 # v1
-      - uses: Swatinem/rust-cache@779680da715d629ac1d338a641029a2f4372abb5 # v2.8.2
+        uses: rui314/setup-mold@85c79d00377f0d32cdbae595a46de6f7c2fa6599 # v1
+      - uses: Swatinem/rust-cache@9d47c6ad4b02e050fd481d890b2ea34778fd09d6 # v2.7.8
       - name: Build ruff
         # A debug build means the script runs slower once it gets started,
         # but this is outweighed by the fact that a release build takes *much* longer to compile in CI
@@ -48,10 +48,9 @@ jobs:
         run: |
           # shellcheck disable=SC2046
           (
-            uv run \
-            --python=3.14 \
-            --project=./python/py-fuzzer \
-            --locked \
+            uvx \
+            --python=3.12 \
+            --from=./python/py-fuzzer \
             fuzz \
             --test-executable=target/debug/ruff \
             --bin=ruff \
@@ -62,11 +61,11 @@ jobs:
     name: Create an issue if the daily fuzz surfaced any bugs
     runs-on: ubuntu-latest
     needs: fuzz
-    if: ${{ github.repository == 'astral-sh/ruff' && always() && github.event_name == 'schedule' && needs.fuzz.result != 'success' }}
+    if: ${{ github.repository == 'astral-sh/ruff' && always() && github.event_name == 'schedule' && needs.fuzz.result == 'failure' }}
     permissions:
       issues: write
     steps:
-      - uses: actions/github-script@ed597411d8f924073f98dfc5c65a23a2325f34cd # v8.0.0
+      - uses: actions/github-script@60a0d83039c74a4aee543508d2ffcb1c3799cdea # v7.0.1
         with:
           github-token: ${{ secrets.GITHUB_TOKEN }}
           script: |

.github/workflows/mypy_primer.yaml

@@ -6,28 +6,17 @@ on:
   pull_request:
     paths:
       - "crates/ty*/**"
-      - "!crates/ty_ide/**"
-      - "!crates/ty_server/**"
-      - "!crates/ty_test/**"
-      - "!crates/ty_completion_eval/**"
-      - "!crates/ty_wasm/**"
       - "crates/ruff_db"
       - "crates/ruff_python_ast"
       - "crates/ruff_python_parser"
       - ".github/workflows/mypy_primer.yaml"
       - ".github/workflows/mypy_primer_comment.yaml"
-      - "scripts/mypy_primer.sh"
       - "Cargo.lock"
-      - "!**.md"
 
 concurrency:
   group: ${{ github.workflow }}-${{ github.ref_name }}-${{ github.event.pull_request.number || github.sha }}
   cancel-in-progress: true
 
-defaults:
-  run:
-    shell: bash
-
 env:
   CARGO_INCREMENTAL: 0
   CARGO_NET_RETRY: 10
@@ -38,128 +27,75 @@ env:
 jobs:
   mypy_primer:
     name: Run mypy_primer
-    runs-on: ${{ github.repository == 'astral-sh/ruff' && 'depot-ubuntu-22.04-32' || 'ubuntu-latest' }}
+    runs-on: depot-ubuntu-22.04-32
     timeout-minutes: 20
     steps:
-      - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
+      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
         with:
           path: ruff
           fetch-depth: 0
           persist-credentials: false
 
       - name: Install the latest version of uv
-        uses: astral-sh/setup-uv@61cb8a9741eeb8a550a1b8544337180c0fc8476b # v7.2.0
+        uses: astral-sh/setup-uv@445689ea25e0de0a23313031f5fe577c74ae45a1 # v6.3.0
 
-      - uses: Swatinem/rust-cache@779680da715d629ac1d338a641029a2f4372abb5 # v2.8.2
+      - uses: Swatinem/rust-cache@9d47c6ad4b02e050fd481d890b2ea34778fd09d6 # v2.7.8
         with:
-          shared-key: "mypy-primer"
           workspaces: "ruff"
 
       - name: Install Rust toolchain
         run: rustup show
 
       - name: Run mypy_primer
-        env:
-          PRIMER_SELECTOR: crates/ty_python_semantic/resources/primer/good.txt
-          CLICOLOR_FORCE: "1"
-          DIFF_FILE: mypy_primer.diff
+        shell: bash
         run: |
           cd ruff
-          scripts/mypy_primer.sh
 
-      # NOTE: astral-sh-bot uses this artifact to post comments on PRs.
-      # Make sure to update the bot if you rename the artifact.
+          echo "Enabling mypy primer specific configuration overloads (see .github/mypy-primer-ty.toml)"
+          mkdir -p ~/.config/ty
+          cp .github/mypy-primer-ty.toml ~/.config/ty/ty.toml
+
+          PRIMER_SELECTOR="$(paste -s -d'|' crates/ty_python_semantic/resources/primer/good.txt)"
+
+          echo "new commit"
+          git rev-list --format=%s --max-count=1 "$GITHUB_SHA"
+
+          MERGE_BASE="$(git merge-base "$GITHUB_SHA" "origin/$GITHUB_BASE_REF")"
+          git checkout -b base_commit "$MERGE_BASE"
+          echo "base commit"
+          git rev-list --format=%s --max-count=1 base_commit
+
+          cd ..
+
+          echo "Project selector: $PRIMER_SELECTOR"
+          # Allow the exit code to be 0 or 1, only fail for actual mypy_primer crashes/bugs
+          uvx \
+            --from="git+https://github.com/hauntsaninja/mypy_primer@01a7ca325f674433c58e02416a867178d1571128" \
+            mypy_primer \
+            --repo ruff \
+            --type-checker ty \
+            --old base_commit \
+            --new "$GITHUB_SHA" \
+            --project-selector "/($PRIMER_SELECTOR)\$" \
+            --output concise \
+            --debug > mypy_primer.diff || [ $? -eq 1 ]
+
+          # Output diff with ANSI color codes
+          cat mypy_primer.diff
+
+          # Remove ANSI color codes before uploading
+          sed -ie 's/\x1b\[[0-9;]*m//g' mypy_primer.diff
+
+          echo ${{ github.event.number }} > pr-number
+
       - name: Upload diff
-        uses: actions/upload-artifact@b7c566a772e6b6bfb58ed0dc250532a479d7789f # v6.0.0
+        uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02 # v4.6.2
         with:
           name: mypy_primer_diff
           path: mypy_primer.diff
 
-  memory_usage:
-    name: Run memory statistics
-    runs-on: ${{ github.repository == 'astral-sh/ruff' && 'depot-ubuntu-22.04-32' || 'ubuntu-latest' }}
-    timeout-minutes: 20
-    steps:
-      - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
+      - name: Upload pr-number
+        uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02 # v4.6.2
         with:
-          path: ruff
-          fetch-depth: 0
-          persist-credentials: false
-
-      - name: Install the latest version of uv
-        uses: astral-sh/setup-uv@61cb8a9741eeb8a550a1b8544337180c0fc8476b # v7.2.0
-
-      - uses: Swatinem/rust-cache@779680da715d629ac1d338a641029a2f4372abb5 # v2.8.2
-        with:
-          workspaces: "ruff"
-          shared-key: "mypy-primer"
-
-      - name: Install Rust toolchain
-        run: rustup show
-
-      - name: Run mypy_primer
-        env:
-          TY_MAX_PARALLELISM: 1 # for deterministic memory numbers
-          TY_MEMORY_REPORT: mypy_primer
-          PRIMER_SELECTOR: crates/ty_python_semantic/resources/primer/memory.txt
-          DIFF_FILE: mypy_primer_memory.diff
-        run: |
-          cd ruff
-          scripts/mypy_primer.sh
-
-      - name: Upload diff
-        uses: actions/upload-artifact@b7c566a772e6b6bfb58ed0dc250532a479d7789f # v6.0.0
-        with:
-          name: mypy_primer_memory_diff
-          path: mypy_primer_memory.diff
-
-  # Runs mypy twice against the same ty version to catch any non-deterministic behavior (ideally).
-  # The job is disabled for now because there are some non-deterministic diagnostics.
-  mypy_primer_same_revision:
-    name: Run mypy_primer on same revision
-    runs-on: ${{ github.repository == 'astral-sh/ruff' && 'depot-ubuntu-22.04-32' || 'ubuntu-latest' }}
-    timeout-minutes: 20
-    # TODO: Enable once we fixed the non-deterministic diagnostics
-    if: false
-    steps:
-      - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
-        with:
-          path: ruff
-          fetch-depth: 0
-          persist-credentials: false
-
-      - name: Install the latest version of uv
-        uses: astral-sh/setup-uv@61cb8a9741eeb8a550a1b8544337180c0fc8476b # v7.2.0
-
-      - uses: Swatinem/rust-cache@779680da715d629ac1d338a641029a2f4372abb5 # v2.8.2
-        with:
-          workspaces: "ruff"
-          shared-key: "mypy-primer"
-
-      - name: Install Rust toolchain
-        run: rustup show
-
-      - name: Run determinism check
-        env:
-          BASE_REVISION: ${{ github.event.pull_request.head.sha }}
-          PRIMER_SELECTOR: crates/ty_python_semantic/resources/primer/good.txt
-          CLICOLOR_FORCE: "1"
-          DIFF_FILE: mypy_primer_determinism.diff
-        run: |
-          cd ruff
-          scripts/mypy_primer.sh
-
-      - name: Check for non-determinism
-        run: |
-          # Remove ANSI color codes for checking
-          sed -e 's/\x1b\[[0-9;]*m//g' mypy_primer_determinism.diff > mypy_primer_determinism_clean.diff
-
-          # Check if there are any differences (non-determinism)
-          if [ -s mypy_primer_determinism_clean.diff ]; then
-            echo "ERROR: Non-deterministic output detected!"
-            echo "The following differences were found when running ty twice on the same commit:"
-            cat mypy_primer_determinism_clean.diff
-            exit 1
-          else
-            echo "✓ Output is deterministic"
-          fi
+          name: pr-number
+          path: pr-number

.github/workflows/mypy_primer_comment.yaml

@@ -0,0 +1,97 @@
+name: PR comment (mypy_primer)
+
+on: # zizmor: ignore[dangerous-triggers]
+  workflow_run:
+    workflows: [Run mypy_primer]
+    types: [completed]
+  workflow_dispatch:
+    inputs:
+      workflow_run_id:
+        description: The mypy_primer workflow that triggers the workflow run
+        required: true
+
+jobs:
+  comment:
+    runs-on: ubuntu-24.04
+    permissions:
+      pull-requests: write
+    steps:
+      - uses: dawidd6/action-download-artifact@20319c5641d495c8a52e688b7dc5fada6c3a9fbc # v8
+        name: Download PR number
+        with:
+          name: pr-number
+          run_id: ${{ github.event.workflow_run.id ||  github.event.inputs.workflow_run_id }}
+          if_no_artifact_found: ignore
+          allow_forks: true
+
+      - name: Parse pull request number
+        id: pr-number
+        run: |
+          if [[ -f pr-number ]]
+          then
+            echo "pr-number=$(<pr-number)" >> "$GITHUB_OUTPUT"
+          fi
+
+      - uses: dawidd6/action-download-artifact@20319c5641d495c8a52e688b7dc5fada6c3a9fbc # v8
+        name: "Download mypy_primer results"
+        id: download-mypy_primer_diff
+        if: steps.pr-number.outputs.pr-number
+        with:
+          name: mypy_primer_diff
+          workflow: mypy_primer.yaml
+          pr: ${{ steps.pr-number.outputs.pr-number }}
+          path: pr/mypy_primer_diff
+          workflow_conclusion: completed
+          if_no_artifact_found: ignore
+          allow_forks: true
+
+      - name: Generate comment content
+        id: generate-comment
+        if: steps.download-mypy_primer_diff.outputs.found_artifact == 'true'
+        run: |
+          # Guard against malicious mypy_primer results that symlink to a secret
+          # file on this runner
+          if [[ -L pr/mypy_primer_diff/mypy_primer.diff ]]
+          then
+              echo "Error: mypy_primer.diff cannot be a symlink"
+              exit 1
+          fi
+
+          # Note this identifier is used to find the comment to update on
+          # subsequent runs
+          echo '<!-- generated-comment mypy_primer -->' >> comment.txt
+
+          echo '## `mypy_primer` results' >> comment.txt
+          if [ -s "pr/mypy_primer_diff/mypy_primer.diff" ]; then
+            echo '<details>' >> comment.txt
+            echo '<summary>Changes were detected when running on open source projects</summary>' >> comment.txt
+            echo '' >> comment.txt
+            echo '```diff' >> comment.txt
+            cat pr/mypy_primer_diff/mypy_primer.diff >> comment.txt
+            echo '```' >> comment.txt
+            echo '</details>' >> comment.txt
+          else
+            echo 'No ecosystem changes detected ✅' >> comment.txt
+          fi
+
+          echo 'comment<<EOF' >> "$GITHUB_OUTPUT"
+          cat comment.txt >> "$GITHUB_OUTPUT"
+          echo 'EOF' >> "$GITHUB_OUTPUT"
+
+      - name: Find existing comment
+        uses: peter-evans/find-comment@3eae4d37986fb5a8592848f6a574fdf654e61f9e # v3.1.0
+        if: steps.generate-comment.outcome == 'success'
+        id: find-comment
+        with:
+          issue-number: ${{ steps.pr-number.outputs.pr-number }}
+          comment-author: "github-actions[bot]"
+          body-includes: "<!-- generated-comment mypy_primer -->"
+
+      - name: Create or update comment
+        if: steps.find-comment.outcome == 'success'
+        uses: peter-evans/create-or-update-comment@71345be0265236311c031f5c7866368bd1eff043 # v4
+        with:
+          comment-id: ${{ steps.find-comment.outputs.comment-id }}
+          issue-number: ${{ steps.pr-number.outputs.pr-number }}
+          body-path: comment.txt
+          edit-mode: replace

.github/workflows/notify-dependents.yml

@@ -17,7 +17,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: "Update pre-commit mirror"
-        uses: actions/github-script@ed597411d8f924073f98dfc5c65a23a2325f34cd # v8.0.0
+        uses: actions/github-script@60a0d83039c74a4aee543508d2ffcb1c3799cdea # v7.0.1
         with:
           github-token: ${{ secrets.RUFF_PRE_COMMIT_PAT }}
           script: |

.github/workflows/pr-comment.yaml

@@ -0,0 +1,88 @@
+name: Ecosystem check comment
+
+on:
+  workflow_run:
+    workflows: [CI]
+    types: [completed]
+  workflow_dispatch:
+    inputs:
+      workflow_run_id:
+        description: The ecosystem workflow that triggers the workflow run
+        required: true
+
+jobs:
+  comment:
+    runs-on: ubuntu-latest
+    permissions:
+      pull-requests: write
+    steps:
+      - uses: dawidd6/action-download-artifact@20319c5641d495c8a52e688b7dc5fada6c3a9fbc # v8
+        name: Download pull request number
+        with:
+          name: pr-number
+          run_id: ${{ github.event.workflow_run.id ||  github.event.inputs.workflow_run_id }}
+          if_no_artifact_found: ignore
+          allow_forks: true
+
+      - name: Parse pull request number
+        id: pr-number
+        run: |
+          if [[ -f pr-number ]]
+          then
+            echo "pr-number=$(<pr-number)" >> "$GITHUB_OUTPUT"
+          fi
+
+      - uses: dawidd6/action-download-artifact@20319c5641d495c8a52e688b7dc5fada6c3a9fbc # v8
+        name: "Download ecosystem results"
+        id: download-ecosystem-result
+        if: steps.pr-number.outputs.pr-number
+        with:
+          name: ecosystem-result
+          workflow: ci.yaml
+          pr: ${{ steps.pr-number.outputs.pr-number }}
+          path: pr/ecosystem
+          workflow_conclusion: completed
+          if_no_artifact_found: ignore
+          allow_forks: true
+
+      - name: Generate comment content
+        id: generate-comment
+        if: steps.download-ecosystem-result.outputs.found_artifact == 'true'
+        run: |
+          # Guard against malicious ecosystem results that symlink to a secret
+          # file on this runner
+          if [[ -L pr/ecosystem/ecosystem-result ]]
+          then
+              echo "Error: ecosystem-result cannot be a symlink"
+              exit 1
+          fi
+
+          # Note this identifier is used to find the comment to update on
+          # subsequent runs
+          echo '<!-- generated-comment ecosystem -->' >> comment.txt
+
+          echo '## `ruff-ecosystem` results' >> comment.txt
+          cat pr/ecosystem/ecosystem-result >> comment.txt
+          echo "" >> comment.txt
+
+          echo 'comment<<EOF' >> "$GITHUB_OUTPUT"
+          cat comment.txt >> "$GITHUB_OUTPUT"
+          echo 'EOF' >> "$GITHUB_OUTPUT"
+
+      - name: Find existing comment
+        uses: peter-evans/find-comment@3eae4d37986fb5a8592848f6a574fdf654e61f9e # v3.1.0
+        if: steps.generate-comment.outcome == 'success'
+        id: find-comment
+        with:
+          issue-number: ${{ steps.pr-number.outputs.pr-number }}
+          comment-author: "github-actions[bot]"
+          body-includes: "<!-- generated-comment ecosystem -->"
+
+      - name: Create or update comment
+        if: steps.find-comment.outcome == 'success'
+        uses: peter-evans/create-or-update-comment@71345be0265236311c031f5c7866368bd1eff043 # v4
+        with:
+          comment-id: ${{ steps.find-comment.outputs.comment-id }}
+          issue-number: ${{ steps.pr-number.outputs.pr-number }}
+          body-path: comment.txt
+          edit-mode: replace

.github/workflows/publish-docs.yml

@@ -17,19 +17,18 @@ on:
         required: true
         type: string
 
-permissions:
-  contents: read
-
 jobs:
   mkdocs:
     runs-on: ubuntu-latest
+    env:
+      MKDOCS_INSIDERS_SSH_KEY_EXISTS: ${{ secrets.MKDOCS_INSIDERS_SSH_KEY != '' }}
     steps:
-      - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
+      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
         with:
           ref: ${{ inputs.ref }}
           persist-credentials: true
 
-      - uses: actions/setup-python@83679a892e2d95755f2dac6acb0bfd1e9ac5d548 # v6.1.0
+      - uses: actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065 # v5.6.0
         with:
           python-version: 3.12
 
@@ -60,12 +59,23 @@ jobs:
           echo "branch_name=update-docs-$branch_display_name-$timestamp" >> "$GITHUB_ENV"
           echo "timestamp=$timestamp" >> "$GITHUB_ENV"
 
+      - name: "Add SSH key"
+        if: ${{ env.MKDOCS_INSIDERS_SSH_KEY_EXISTS == 'true' }}
+        uses: webfactory/ssh-agent@a6f90b1f127823b31d4d4a8d96047790581349bd # v0.9.1
+        with:
+          ssh-private-key: ${{ secrets.MKDOCS_INSIDERS_SSH_KEY }}
+
       - name: "Install Rust toolchain"
         run: rustup show
 
-      - uses: Swatinem/rust-cache@779680da715d629ac1d338a641029a2f4372abb5 # v2.8.2
+      - uses: Swatinem/rust-cache@9d47c6ad4b02e050fd481d890b2ea34778fd09d6 # v2.7.8
+
+      - name: "Install Insiders dependencies"
+        if: ${{ env.MKDOCS_INSIDERS_SSH_KEY_EXISTS == 'true' }}
+        run: pip install -r docs/requirements-insiders.txt
 
       - name: "Install dependencies"
+        if: ${{ env.MKDOCS_INSIDERS_SSH_KEY_EXISTS != 'true' }}
         run: pip install -r docs/requirements.txt
 
       - name: "Copy README File"
@@ -73,8 +83,13 @@ jobs:
           python scripts/transform_readme.py --target mkdocs
           python scripts/generate_mkdocs.py
 
+      - name: "Build Insiders docs"
+        if: ${{ env.MKDOCS_INSIDERS_SSH_KEY_EXISTS == 'true' }}
+        run: mkdocs build --strict -f mkdocs.insiders.yml
+
       - name: "Build docs"
-        run: mkdocs build --strict -f mkdocs.yml
+        if: ${{ env.MKDOCS_INSIDERS_SSH_KEY_EXISTS != 'true' }}
+        run: mkdocs build --strict -f mkdocs.public.yml
 
       - name: "Clone docs repo"
         run: git clone https://${{ secrets.ASTRAL_DOCS_PAT }}@github.com/astral-sh/docs.git astral-docs

.github/workflows/publish-playground.yml

@@ -18,26 +18,25 @@ env:
   CARGO_TERM_COLOR: always
   RUSTUP_MAX_RETRIES: 10
 
-permissions: {}
-
 jobs:
   publish:
     runs-on: ubuntu-latest
     env:
       CF_API_TOKEN_EXISTS: ${{ secrets.CF_API_TOKEN != '' }}
     steps:
-      - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
+      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
         with:
           persist-credentials: false
       - name: "Install Rust toolchain"
         run: rustup target add wasm32-unknown-unknown
-      - uses: actions/setup-node@395ad3262231945c25e8478fd5baf05154b1d79f # v6.1.0
+      - uses: actions/setup-node@49933ea5288caeca8642d1e84afbd3f7d6820020 # v4.4.0
         with:
-          node-version: 24
-          package-manager-cache: false
+          node-version: 22
+          cache: "npm"
+          cache-dependency-path: playground/package-lock.json
       - uses: jetli/wasm-bindgen-action@20b33e20595891ab1a0ed73145d8a21fc96e7c29 # v0.2.0
       - name: "Install Node dependencies"
-        run: npm ci --ignore-scripts
+        run: npm ci
         working-directory: playground
       - name: "Run TypeScript checks"
         run: npm run check

.github/workflows/publish-pypi.yml

@@ -22,8 +22,8 @@ jobs:
       id-token: write
     steps:
       - name: "Install uv"
-        uses: astral-sh/setup-uv@61cb8a9741eeb8a550a1b8544337180c0fc8476b # v7.2.0
-      - uses: actions/download-artifact@37930b1c2abaa49bbe596cd826c3c89aef350131 # v7.0.0
+        uses: astral-sh/setup-uv@445689ea25e0de0a23313031f5fe577c74ae45a1 # v6.3.0
+      - uses: actions/download-artifact@d3f86a106a0bac45b974a628896c90dbdf5c8093 # v4.3.0
         with:
           pattern: wheels-*
           path: wheels

.github/workflows/publish-ty-playground.yml

@@ -30,18 +30,17 @@ jobs:
     env:
       CF_API_TOKEN_EXISTS: ${{ secrets.CF_API_TOKEN != '' }}
     steps:
-      - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
+      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
         with:
           persist-credentials: false
       - name: "Install Rust toolchain"
         run: rustup target add wasm32-unknown-unknown
-      - uses: actions/setup-node@395ad3262231945c25e8478fd5baf05154b1d79f # v6.1.0
+      - uses: actions/setup-node@49933ea5288caeca8642d1e84afbd3f7d6820020 # v4.4.0
         with:
-          node-version: 24
-          package-manager-cache: false
+          node-version: 22
       - uses: jetli/wasm-bindgen-action@20b33e20595891ab1a0ed73145d8a21fc96e7c29 # v0.2.0
       - name: "Install Node dependencies"
-        run: npm ci --ignore-scripts
+        run: npm ci
         working-directory: playground
       - name: "Run TypeScript checks"
         run: npm run check

.github/workflows/publish-wasm.yml

@@ -1,18 +1,25 @@
-# Publish ruff_wasm to npm.
+# Build and publish ruff-api for wasm.
 #
 # Assumed to run as a subworkflow of .github/workflows/release.yml; specifically, as a publish
 # job within `cargo-dist`.
-name: "Publish wasm"
+name: "Build and publish wasm"
 
 on:
+  workflow_dispatch:
   workflow_call:
     inputs:
       plan:
         required: true
         type: string
 
+env:
+  CARGO_INCREMENTAL: 0
+  CARGO_NET_RETRY: 10
+  CARGO_TERM_COLOR: always
+  RUSTUP_MAX_RETRIES: 10
+
 jobs:
-  publish:
+  ruff_wasm:
     runs-on: ubuntu-latest
     permissions:
       contents: read
@@ -22,19 +29,31 @@ jobs:
         target: [web, bundler, nodejs]
       fail-fast: false
     steps:
-      - uses: actions/download-artifact@37930b1c2abaa49bbe596cd826c3c89aef350131 # v7.0.0
+      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
         with:
-          name: artifacts-wasm-${{ matrix.target }}
-          path: pkg
-      - uses: actions/setup-node@395ad3262231945c25e8478fd5baf05154b1d79f # v6.1.0
+          persist-credentials: false
+      - name: "Install Rust toolchain"
+        run: rustup target add wasm32-unknown-unknown
+      - uses: jetli/wasm-pack-action@0d096b08b4e5a7de8c28de67e11e945404e9eefa # v0.4.0
         with:
-          node-version: 24
+          version: v0.13.1
+      - uses: jetli/wasm-bindgen-action@20b33e20595891ab1a0ed73145d8a21fc96e7c29 # v0.2.0
+      - name: "Run wasm-pack build"
+        run: wasm-pack build --target ${{ matrix.target }} crates/ruff_wasm
+      - name: "Rename generated package"
+        run: | # Replace the package name w/ jq
+          jq '.name="@astral-sh/ruff-wasm-${{ matrix.target }}"' crates/ruff_wasm/pkg/package.json > /tmp/package.json
+          mv /tmp/package.json crates/ruff_wasm/pkg
+      - run: cp LICENSE crates/ruff_wasm/pkg # wasm-pack does not put the LICENSE file in the pkg
+      - uses: actions/setup-node@49933ea5288caeca8642d1e84afbd3f7d6820020 # v4.4.0
+        with:
+          node-version: 20
           registry-url: "https://registry.npmjs.org"
       - name: "Publish (dry-run)"
         if: ${{ inputs.plan == '' || fromJson(inputs.plan).announcement_tag_is_implicit }}
-        run: npm publish --dry-run pkg
+        run: npm publish --dry-run crates/ruff_wasm/pkg
       - name: "Publish"
         if: ${{ inputs.plan != '' && !fromJson(inputs.plan).announcement_tag_is_implicit }}
-        run: npm publish --provenance --access public pkg
+        run: npm publish --provenance --access public crates/ruff_wasm/pkg
         env:
           NODE_AUTH_TOKEN: ${{ secrets.NPM_TOKEN }}

.github/workflows/release.yml

@@ -1,6 +1,7 @@
-# This file was autogenerated by dist: https://axodotdev.github.io/cargo-dist
+# This file was autogenerated by dist: https://github.com/astral-sh/cargo-dist
 #
 # Copyright 2022-2024, axodotdev
+# Copyright 2025 Astral Software Inc.
 # SPDX-License-Identifier: MIT or Apache-2.0
 #
 # CI that:
@@ -60,7 +61,7 @@ jobs:
     env:
       GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
     steps:
-      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd
+      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683
         with:
           persist-credentials: false
           submodules: recursive
@@ -68,9 +69,9 @@ jobs:
         # we specify bash to get pipefail; it guards against the `curl` command
         # failing. otherwise `sh` won't catch that `curl` returned non-0
         shell: bash
-        run: "curl --proto '=https' --tlsv1.2 -LsSf https://github.com/axodotdev/cargo-dist/releases/download/v0.30.2/cargo-dist-installer.sh | sh"
+        run: "curl --proto '=https' --tlsv1.2 -LsSf https://github.com/astral-sh/cargo-dist/releases/download/v0.28.5-prerelease.3/cargo-dist-installer.sh | sh"
       - name: Cache dist
-        uses: actions/upload-artifact@b7c566a772e6b6bfb58ed0dc250532a479d7789f
+        uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02
         with:
           name: cargo-dist-cache
           path: ~/.cargo/bin/dist
@@ -86,7 +87,7 @@ jobs:
           cat plan-dist-manifest.json
           echo "manifest=$(jq -c "." plan-dist-manifest.json)" >> "$GITHUB_OUTPUT"
       - name: "Upload dist-manifest.json"
-        uses: actions/upload-artifact@b7c566a772e6b6bfb58ed0dc250532a479d7789f
+        uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02
         with:
           name: artifacts-plan-dist-manifest
           path: plan-dist-manifest.json
@@ -112,40 +113,30 @@ jobs:
       "contents": "read"
       "packages": "write"
 
-  custom-build-wasm:
-    needs:
-      - plan
-    if: ${{ needs.plan.outputs.publishing == 'true' || fromJson(needs.plan.outputs.val).ci.github.pr_run_mode == 'upload' || inputs.tag == 'dry-run' }}
-    uses: ./.github/workflows/build-wasm.yml
-    with:
-      plan: ${{ needs.plan.outputs.val }}
-    secrets: inherit
-
   # Build and package all the platform-agnostic(ish) things
   build-global-artifacts:
     needs:
       - plan
       - custom-build-binaries
       - custom-build-docker
-      - custom-build-wasm
     runs-on: "depot-ubuntu-latest-4"
     env:
       GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
       BUILD_MANIFEST_NAME: target/distrib/global-dist-manifest.json
     steps:
-      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd
+      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683
         with:
           persist-credentials: false
           submodules: recursive
       - name: Install cached dist
-        uses: actions/download-artifact@37930b1c2abaa49bbe596cd826c3c89aef350131
+        uses: actions/download-artifact@d3f86a106a0bac45b974a628896c90dbdf5c8093
         with:
           name: cargo-dist-cache
           path: ~/.cargo/bin/
       - run: chmod +x ~/.cargo/bin/dist
       # Get all the local artifacts for the global tasks to use (for e.g. checksums)
       - name: Fetch local artifacts
-        uses: actions/download-artifact@37930b1c2abaa49bbe596cd826c3c89aef350131
+        uses: actions/download-artifact@d3f86a106a0bac45b974a628896c90dbdf5c8093
         with:
           pattern: artifacts-*
           path: target/distrib/
@@ -163,7 +154,7 @@ jobs:
 
           cp dist-manifest.json "$BUILD_MANIFEST_NAME"
       - name: "Upload artifacts"
-        uses: actions/upload-artifact@b7c566a772e6b6bfb58ed0dc250532a479d7789f
+        uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02
         with:
           name: artifacts-build-global
           path: |
@@ -175,29 +166,28 @@ jobs:
       - plan
       - custom-build-binaries
       - custom-build-docker
-      - custom-build-wasm
       - build-global-artifacts
-    # Only run if we're "publishing", and only if plan, local and global didn't fail (skipped is fine)
-    if: ${{ always() && needs.plan.result == 'success' && needs.plan.outputs.publishing == 'true' && (needs.build-global-artifacts.result == 'skipped' || needs.build-global-artifacts.result == 'success') && (needs.custom-build-binaries.result == 'skipped' || needs.custom-build-binaries.result == 'success') && (needs.custom-build-docker.result == 'skipped' || needs.custom-build-docker.result == 'success') && (needs.custom-build-wasm.result == 'skipped' || needs.custom-build-wasm.result == 'success') }}
+    # Only run if we're "publishing", and only if local and global didn't fail (skipped is fine)
+    if: ${{ always() && needs.plan.outputs.publishing == 'true' && (needs.build-global-artifacts.result == 'skipped' || needs.build-global-artifacts.result == 'success') && (needs.custom-build-binaries.result == 'skipped' || needs.custom-build-binaries.result == 'success') && (needs.custom-build-docker.result == 'skipped' || needs.custom-build-docker.result == 'success') }}
     env:
       GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
     runs-on: "depot-ubuntu-latest-4"
     outputs:
       val: ${{ steps.host.outputs.manifest }}
     steps:
-      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd
+      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683
         with:
           persist-credentials: false
           submodules: recursive
       - name: Install cached dist
-        uses: actions/download-artifact@37930b1c2abaa49bbe596cd826c3c89aef350131
+        uses: actions/download-artifact@d3f86a106a0bac45b974a628896c90dbdf5c8093
         with:
           name: cargo-dist-cache
           path: ~/.cargo/bin/
       - run: chmod +x ~/.cargo/bin/dist
       # Fetch artifacts from scratch-storage
       - name: Fetch artifacts
-        uses: actions/download-artifact@37930b1c2abaa49bbe596cd826c3c89aef350131
+        uses: actions/download-artifact@d3f86a106a0bac45b974a628896c90dbdf5c8093
         with:
           pattern: artifacts-*
           path: target/distrib/
@@ -211,7 +201,7 @@ jobs:
           cat dist-manifest.json
           echo "manifest=$(jq -c "." dist-manifest.json)" >> "$GITHUB_OUTPUT"
       - name: "Upload dist-manifest.json"
-        uses: actions/upload-artifact@b7c566a772e6b6bfb58ed0dc250532a479d7789f
+        uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02
         with:
           # Overwrite the previous copy
           name: artifacts-dist-manifest
@@ -261,13 +251,13 @@ jobs:
     env:
       GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
     steps:
-      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd
+      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683
         with:
           persist-credentials: false
           submodules: recursive
       # Create a GitHub Release while uploading all files to it
       - name: "Download GitHub Artifacts"
-        uses: actions/download-artifact@37930b1c2abaa49bbe596cd826c3c89aef350131
+        uses: actions/download-artifact@d3f86a106a0bac45b974a628896c90dbdf5c8093
         with:
           pattern: artifacts-*
           path: artifacts

.github/workflows/sync_typeshed.yaml

@@ -1,57 +1,16 @@
 name: Sync typeshed
 
-# How this works:
-#
-# 1. A Linux worker:
-#    a. Checks out Ruff and typeshed
-#    b. Deletes the vendored typeshed stdlib stubs from Ruff
-#    c. Copies the latest versions of the stubs from typeshed
-#    d. Uses docstring-adder to sync all docstrings available on Linux
-#    e. Creates a new branch on the upstream astral-sh/ruff repository
-#    f. Commits the changes it's made and pushes them to the new upstream branch
-# 2. Once the Linux worker is done, a Windows worker:
-#    a. Checks out the branch created by the Linux worker
-#    b. Syncs all docstrings available on Windows that are not available on Linux
-#    c. Commits the changes and pushes them to the same upstream branch
-# 3. Once the Windows worker is done, a MacOS worker:
-#    a. Checks out the branch created by the Linux worker
-#    b. Syncs all docstrings available on MacOS that are not available on Linux or Windows
-#    c. Formats the code again
-#    d. Commits the changes and pushes them to the same upstream branch
-#    e. Creates a PR against the `main` branch using the branch all three workers have pushed to
-# 4. If any of steps 1-3 failed, an issue is created in the `astral-sh/ruff` repository
-
 on:
   workflow_dispatch:
   schedule:
     # Run on the 1st and the 15th of every month:
     - cron: "0 0 1,15 * *"
 
-defaults:
-  run:
-    shell: bash
-
 env:
-  # Don't set this flag globally for the workflow: it does strange things
-  # to the snapshots in the `cargo insta test --accept` step in the MacOS job.
-  #
-  # FORCE_COLOR: 1
-
-  CARGO_TERM_COLOR: always
-  NEXTEST_PROFILE: "ci"
+  FORCE_COLOR: 1
   GH_TOKEN: ${{ github.token }}
 
-  # The name of the upstream branch that the first worker creates,
-  # and which all three workers push to.
-  UPSTREAM_BRANCH: typeshedbot/sync-typeshed
-
-  # The path to the directory that contains the vendored typeshed stubs,
-  # relative to the root of the Ruff repository.
-  VENDORED_TYPESHED: crates/ty_vendored/vendor/typeshed
-
 jobs:
-  # Sync typeshed stubs, and sync all docstrings available on Linux.
-  # Push the changes to a new branch on the upstream repository.
   sync:
     name: Sync typeshed
     runs-on: ubuntu-latest
@@ -60,13 +19,14 @@ jobs:
     if: ${{ github.repository == 'astral-sh/ruff' || github.event_name != 'schedule' }}
     permissions:
       contents: write
+      pull-requests: write
     steps:
-      - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
+      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
         name: Checkout Ruff
         with:
           path: ruff
           persist-credentials: true
-      - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
+      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
         name: Checkout typeshed
         with:
           repository: python/typeshed
@@ -76,143 +36,41 @@ jobs:
         run: |
           git config --global user.name typeshedbot
           git config --global user.email '<>'
-      - uses: astral-sh/setup-uv@61cb8a9741eeb8a550a1b8544337180c0fc8476b # v7.2.0
-      - name: Sync typeshed stubs
+      - name: Sync typeshed
+        id: sync
         run: |
-          rm -rf "ruff/${VENDORED_TYPESHED}"
-          mkdir "ruff/${VENDORED_TYPESHED}"
-          cp typeshed/README.md "ruff/${VENDORED_TYPESHED}"
-          cp typeshed/LICENSE "ruff/${VENDORED_TYPESHED}"
-
-          # The pyproject.toml file is needed by a later job for the black configuration.
-          # It's deleted before creating the PR.
-          cp typeshed/pyproject.toml "ruff/${VENDORED_TYPESHED}"
-
-          cp -r typeshed/stdlib "ruff/${VENDORED_TYPESHED}/stdlib"
-          rm -rf "ruff/${VENDORED_TYPESHED}/stdlib/@tests"
-          git -C typeshed rev-parse HEAD > "ruff/${VENDORED_TYPESHED}/source_commit.txt"
-          cd ruff
-          git checkout -b "${UPSTREAM_BRANCH}"
-          git add .
-          git commit -m "Sync typeshed. Source commit: https://github.com/python/typeshed/commit/$(git -C ../typeshed rev-parse HEAD)" --allow-empty
-      - name: Sync Linux docstrings
-        if: ${{ success() }}
-        env:
-          FORCE_COLOR: 1
-        run: |
-          cd ruff
-          ./scripts/codemod_docstrings.sh
-          git commit -am "Sync Linux docstrings" --allow-empty
-      - name: Push the changes
-        id: commit
-        if: ${{ success() }}
-        run: git -C ruff push --force --set-upstream origin "${UPSTREAM_BRANCH}"
-
-  # Checkout the branch created by the sync job,
-  # and sync all docstrings available on Windows that are not available on Linux.
-  # Commit the changes and push them to the same branch.
-  docstrings-windows:
-    runs-on: windows-latest
-    timeout-minutes: 20
-    needs: [sync]
-
-    # Don't run the cron job on forks.
-    # The job will also be skipped if the sync job failed, because it's specified in `needs` above,
-    # and we haven't used `always()` in the `if` condition here
-    # (https://docs.github.com/en/actions/reference/workflow-syntax-for-github-actions#example-requiring-successful-dependent-jobs)
-    if: ${{ github.repository == 'astral-sh/ruff' || github.event_name != 'schedule' }}
-
-    permissions:
-      contents: write
-    steps:
-      - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
-        name: Checkout Ruff
-        with:
-          persist-credentials: true
-          ref: ${{ env.UPSTREAM_BRANCH}}
-      - uses: astral-sh/setup-uv@61cb8a9741eeb8a550a1b8544337180c0fc8476b # v7.2.0
-      - name: Setup git
-        run: |
-          git config --global user.name typeshedbot
-          git config --global user.email '<>'
-      - name: Sync Windows docstrings
-        id: docstrings
-        env:
-          FORCE_COLOR: 1
-        run: ./scripts/codemod_docstrings.sh
+          rm -rf ruff/crates/ty_vendored/vendor/typeshed
+          mkdir ruff/crates/ty_vendored/vendor/typeshed
+          cp typeshed/README.md ruff/crates/ty_vendored/vendor/typeshed
+          cp typeshed/LICENSE ruff/crates/ty_vendored/vendor/typeshed
+          cp -r typeshed/stdlib ruff/crates/ty_vendored/vendor/typeshed/stdlib
+          rm -rf ruff/crates/ty_vendored/vendor/typeshed/stdlib/@tests
+          git -C typeshed rev-parse HEAD > ruff/crates/ty_vendored/vendor/typeshed/source_commit.txt
       - name: Commit the changes
-        if: ${{ steps.docstrings.outcome == 'success' }}
+        id: commit
+        if: ${{ steps.sync.outcome == 'success' }}
         run: |
-          git commit -am "Sync Windows docstrings" --allow-empty
-          git push
-
-  # Checkout the branch created by the sync job,
-  # and sync all docstrings available on macOS that are not available on Linux or Windows.
-  # Push the changes to the same branch and create a PR against the `main` branch using that branch.
-  docstrings-macos-and-pr:
-    runs-on: macos-latest
-    timeout-minutes: 20
-    needs: [sync, docstrings-windows]
-
-    # Don't run the cron job on forks.
-    # The job will also be skipped if the sync or docstrings-windows jobs failed,
-    # because they're specified in `needs` above and we haven't used an `always()` condition in the `if` here
-    # (https://docs.github.com/en/actions/reference/workflow-syntax-for-github-actions#example-requiring-successful-dependent-jobs)
-    if: ${{ github.repository == 'astral-sh/ruff' || github.event_name != 'schedule' }}
-
-    permissions:
-      contents: write
-      pull-requests: write
-    steps:
-      - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
-        name: Checkout Ruff
-        with:
-          persist-credentials: true
-          ref: ${{ env.UPSTREAM_BRANCH}}
-      - uses: astral-sh/setup-uv@61cb8a9741eeb8a550a1b8544337180c0fc8476b # v7.2.0
-      - name: Setup git
+          cd ruff
+          git checkout -b typeshedbot/sync-typeshed
+          git add .
+          git diff --staged --quiet || git commit -m "Sync typeshed. Source commit: https://github.com/python/typeshed/commit/$(git -C ../typeshed rev-parse HEAD)"
+      - name: Create a PR
+        if: ${{ steps.sync.outcome == 'success' && steps.commit.outcome == 'success' }}
         run: |
-          git config --global user.name typeshedbot
-          git config --global user.email '<>'
-      - name: Sync macOS docstrings
-        if: ${{ success() }}
-        env:
-          FORCE_COLOR: 1
-        run: |
-          ./scripts/codemod_docstrings.sh
-          git commit -am "Sync macOS docstrings" --allow-empty
-      - name: Format the changes
-        if: ${{ success() }}
-        env:
-          FORCE_COLOR: 1
-        run: |
-          # Here we just reformat the codemodded stubs so that they are
-          # consistent with the other typeshed stubs around them.
-          # Typeshed formats code using black in their CI, so we just invoke
-          # black on the stubs the same way that typeshed does.
-          uvx black "${VENDORED_TYPESHED}/stdlib" --config "${VENDORED_TYPESHED}/pyproject.toml" || true
-          git commit -am "Format codemodded docstrings" --allow-empty
-      - name: Remove typeshed pyproject.toml file
-        if: ${{ success() }}
-        run: |
-          rm "${VENDORED_TYPESHED}/pyproject.toml"
-          git commit -am "Remove pyproject.toml file"
-      - name: Push changes upstream and create a PR
-        if: ${{ success() }}
-        run: |
-          git push
-          gh pr list --repo "${GITHUB_REPOSITORY}" --head "${UPSTREAM_BRANCH}" --json id --jq length | grep 1 && exit 0 # exit if there is existing pr
+          cd ruff
+          git push --force origin typeshedbot/sync-typeshed
+          gh pr list --repo "$GITHUB_REPOSITORY" --head typeshedbot/sync-typeshed --json id --jq length | grep 1 && exit 0 # exit if there is existing pr
           gh pr create --title "[ty] Sync vendored typeshed stubs" --body "Close and reopen this PR to trigger CI" --label "ty"
 
   create-issue-on-failure:
     name: Create an issue if the typeshed sync failed
     runs-on: ubuntu-latest
-    needs: [sync, docstrings-windows, docstrings-macos-and-pr]
-    if: ${{ github.repository == 'astral-sh/ruff' && always() && github.event_name == 'schedule' && (needs.sync.result != 'success' || needs.docstrings-windows.result != 'success' || needs.docstrings-macos-and-pr.result != 'success') }}
+    needs: [sync]
+    if: ${{ github.repository == 'astral-sh/ruff' && always() && github.event_name == 'schedule' && needs.sync.result == 'failure' }}
     permissions:
       issues: write
     steps:
-      - uses: actions/github-script@ed597411d8f924073f98dfc5c65a23a2325f34cd # v8.0.0
+      - uses: actions/github-script@60a0d83039c74a4aee543508d2ffcb1c3799cdea # v7.0.1
         with:
           github-token: ${{ secrets.GITHUB_TOKEN }}
           script: |

.github/workflows/ty-ecosystem-analyzer.yaml

@@ -4,13 +4,7 @@ permissions: {}
 
 on:
   pull_request:
-    # The default for `pull_request` is to trigger on `synchronize`, `opened` and `reopened`.
-    # We also add `labeled` here so that the workflow triggers when a label is initially added.
-    types:
-      - labeled
-      - synchronize
-      - opened
-      - reopened
+    types: [labeled]
 
 concurrency:
   group: ${{ github.workflow }}-${{ github.ref_name }}-${{ github.event.pull_request.number || github.sha }}
@@ -27,25 +21,22 @@ env:
 jobs:
   ty-ecosystem-analyzer:
     name: Compute diagnostic diff
-    runs-on: ${{ github.repository == 'astral-sh/ruff' && 'depot-ubuntu-22.04-32' || 'ubuntu-latest' }}
+    runs-on: depot-ubuntu-22.04-32
     timeout-minutes: 20
-    if: contains( github.event.pull_request.labels.*.name, 'ecosystem-analyzer')
+    if: contains(github.event.label.name, 'ecosystem-analyzer')
     steps:
-      - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
+      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
         with:
           path: ruff
           fetch-depth: 0
           persist-credentials: false
 
       - name: Install the latest version of uv
-        uses: astral-sh/setup-uv@61cb8a9741eeb8a550a1b8544337180c0fc8476b # v7.2.0
-        with:
-          enable-cache: true
+        uses: astral-sh/setup-uv@445689ea25e0de0a23313031f5fe577c74ae45a1 # v6.3.0
 
-      - uses: Swatinem/rust-cache@779680da715d629ac1d338a641029a2f4372abb5 # v2.8.2
+      - uses: Swatinem/rust-cache@9d47c6ad4b02e050fd481d890b2ea34778fd09d6 # v2.7.8
         with:
           workspaces: "ruff"
-          lookup-only: false
 
       - name: Install Rust toolchain
         run: rustup show
@@ -72,75 +63,32 @@ jobs:
 
           cd ..
 
-          uv tool install "git+https://github.com/astral-sh/ecosystem-analyzer@2e1816eac09c90140b1ba51d19afc5f59da460f5"
+          uv tool install "git+https://github.com/astral-sh/ecosystem-analyzer@9c34dc514ee9aef6735db1dfebb80f63acbc3440"
 
           ecosystem-analyzer \
             --repository ruff \
-            diff \
-            --profile=profiling \
-            --projects-old ruff/projects_old.txt \
-            --projects-new ruff/projects_new.txt \
-            --old old_commit \
-            --new new_commit \
-            --output-old diagnostics-old.json \
-            --output-new diagnostics-new.json
+            analyze \
+            --projects ruff/projects_old.txt \
+            --commit old_commit \
+            --output diagnostics_old.json
 
-          mkdir dist
+          ecosystem-analyzer \
+            --repository ruff \
+            analyze \
+            --projects ruff/projects_new.txt \
+            --commit new_commit \
+            --output diagnostics_new.json
 
           ecosystem-analyzer \
             generate-diff \
-            diagnostics-old.json \
-            diagnostics-new.json \
+            diagnostics_old.json \
+            diagnostics_new.json \
             --old-name "main (merge base)" \
             --new-name "$REF_NAME" \
-            --output-html dist/diff.html
+            --output-html diff.html
 
-          ecosystem-analyzer \
-            generate-diff-statistics \
-            diagnostics-old.json \
-            diagnostics-new.json \
-            --old-name "main (merge base)" \
-            --new-name "$REF_NAME" \
-            --output diff-statistics.md
-
-          ecosystem-analyzer \
-            generate-timing-diff \
-            diagnostics-old.json \
-            diagnostics-new.json \
-            --old-name "main (merge base)" \
-            --new-name "$REF_NAME" \
-            --output-html dist/timing.html
-
-          echo '## `ecosystem-analyzer` results' > comment.md
-          echo >> comment.md
-          cat diff-statistics.md >> comment.md
-
-          cat diff-statistics.md >> "$GITHUB_STEP_SUMMARY"
-
-      # NOTE: astral-sh-bot uses this artifact to post comments on PRs.
-      # Make sure to update the bot if you rename the artifact.
-      - name: "Upload full report"
-        uses: actions/upload-artifact@b7c566a772e6b6bfb58ed0dc250532a479d7789f # v6.0.0
-        with:
-          name: full-report
-          path: dist/
-
-      # NOTE: astral-sh-bot uses this artifact to post comments on PRs.
-      # Make sure to update the bot if you rename the artifact.
-      - name: Upload comment
-        uses: actions/upload-artifact@b7c566a772e6b6bfb58ed0dc250532a479d7789f # v6.0.0
-        with:
-          name: comment.md
-          path: comment.md
-
-      - name: Upload diagnostics diff
-        uses: actions/upload-artifact@b7c566a772e6b6bfb58ed0dc250532a479d7789f # v6.0.0
+      - name: Upload HTML diff report
+        uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02 # v4.6.2
         with:
           name: diff.html
-          path: dist/diff.html
-
-      - name: Upload timing diff
-        uses: actions/upload-artifact@b7c566a772e6b6bfb58ed0dc250532a479d7789f # v6.0.0
-        with:
-          name: timing.html
-          path: dist/timing.html
+          path: diff.html

.github/workflows/ty-ecosystem-report.yaml

@@ -1,82 +0,0 @@
-# This workflow is a cron job that generates a report describing
-# all diagnostics ty emits across the whole ecosystem. The report
-# is uploaded to https://ty-ecosystem-ext.pages.dev/ on a weekly basis.
-
-name: ty ecosystem-report
-
-permissions: {}
-
-on:
-  workflow_dispatch:
-  schedule:
-    # Run every Wednesday at 5:00 UTC:
-    - cron: 0 5 * * 3
-
-env:
-  CARGO_INCREMENTAL: 0
-  CARGO_NET_RETRY: 10
-  CARGO_TERM_COLOR: always
-  RUSTUP_MAX_RETRIES: 10
-  RUST_BACKTRACE: 1
-
-jobs:
-  ty-ecosystem-report:
-    name: Create ecosystem report
-    runs-on: ${{ github.repository == 'astral-sh/ruff' && 'depot-ubuntu-22.04-32' || 'ubuntu-latest' }}
-    timeout-minutes: 20
-    steps:
-      - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
-        with:
-          path: ruff
-          fetch-depth: 0
-          persist-credentials: false
-
-      - name: Install the latest version of uv
-        uses: astral-sh/setup-uv@61cb8a9741eeb8a550a1b8544337180c0fc8476b # v7.2.0
-        with:
-          enable-cache: true
-
-      - uses: Swatinem/rust-cache@779680da715d629ac1d338a641029a2f4372abb5 # v2.8.2
-        with:
-          workspaces: "ruff"
-          lookup-only: false
-
-      - name: Install Rust toolchain
-        run: rustup show
-
-      - name: Create report
-        shell: bash
-        run: |
-          cd ruff
-
-          echo "Enabling configuration overloads (see .github/mypy-primer-ty.toml)"
-          mkdir -p ~/.config/ty
-          cp .github/mypy-primer-ty.toml ~/.config/ty/ty.toml
-
-          cd ..
-
-          uv tool install "git+https://github.com/astral-sh/ecosystem-analyzer@2e1816eac09c90140b1ba51d19afc5f59da460f5"
-
-          ecosystem-analyzer \
-            --verbose \
-            --repository ruff \
-            analyze \
-            --profile=profiling \
-            --projects ruff/crates/ty_python_semantic/resources/primer/good.txt \
-            --output ecosystem-diagnostics.json
-
-          mkdir dist
-
-          ecosystem-analyzer \
-            generate-report \
-            --max-diagnostics-per-project=1000 \
-            ecosystem-diagnostics.json \
-            --output dist/index.html
-
-      # NOTE: astral-sh-bot uses this artifact to publish the ecosystem report.
-      # Make sure to update the bot if you rename the artifact.
-      - name: "Upload ecosystem report"
-        uses: actions/upload-artifact@b7c566a772e6b6bfb58ed0dc250532a479d7789f # v6.0.0
-        with:
-          name: full-report
-          path: dist/

.github/workflows/typing_conformance.yaml

@@ -1,115 +0,0 @@
-name: Run typing conformance
-
-permissions: {}
-
-on:
-  pull_request:
-    paths:
-      - "crates/ty*/**"
-      - "!crates/ty_ide/**"
-      - "!crates/ty_server/**"
-      - "!crates/ty_test/**"
-      - "!crates/ty_completion_eval/**"
-      - "!crates/ty_wasm/**"
-      - "crates/ruff_db"
-      - "crates/ruff_python_ast"
-      - "crates/ruff_python_parser"
-      - ".github/workflows/typing_conformance.yaml"
-      - ".github/workflows/typing_conformance_comment.yaml"
-      - "Cargo.lock"
-      - "!**.md"
-
-concurrency:
-  group: ${{ github.workflow }}-${{ github.ref_name }}-${{ github.event.pull_request.number || github.sha }}
-  cancel-in-progress: true
-
-env:
-  CARGO_INCREMENTAL: 0
-  CARGO_NET_RETRY: 10
-  CARGO_TERM_COLOR: always
-  RUSTUP_MAX_RETRIES: 10
-  RUST_BACKTRACE: 1
-  CONFORMANCE_SUITE_COMMIT: 9f6d8ced7cd1c8d92687a4e9c96d7716452e471e
-
-jobs:
-  typing_conformance:
-    name: Compute diagnostic diff
-    runs-on: ${{ github.repository == 'astral-sh/ruff' && 'depot-ubuntu-22.04-32' || 'ubuntu-latest' }}
-    timeout-minutes: 10
-    steps:
-      - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
-        with:
-          path: ruff
-          fetch-depth: 0
-          persist-credentials: false
-
-      - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
-        with:
-          repository: python/typing
-          ref: ${{ env.CONFORMANCE_SUITE_COMMIT }}
-          path: typing
-          persist-credentials: false
-
-      - uses: Swatinem/rust-cache@779680da715d629ac1d338a641029a2f4372abb5 # v2.8.2
-        with:
-          workspaces: "ruff"
-
-      - name: Install Rust toolchain
-        run: rustup show
-
-      - name: Compute diagnostic diff
-        shell: bash
-        run: |
-          RUFF_DIR="$GITHUB_WORKSPACE/ruff"
-
-          # Build the executable for the old and new commit
-          (
-            cd ruff
-
-            echo "new commit"
-            git rev-list --format=%s --max-count=1 "$GITHUB_SHA"
-            cargo build --bin ty
-            mv target/debug/ty ty-new
-
-            MERGE_BASE="$(git merge-base "$GITHUB_SHA" "origin/$GITHUB_BASE_REF")"
-            git checkout -b old_commit "$MERGE_BASE"
-            echo "old commit (merge base)"
-            git rev-list --format=%s --max-count=1 old_commit
-            cargo build --bin ty
-            mv target/debug/ty ty-old
-          )
-
-          (
-            cd typing/conformance/tests
-
-            echo "Running ty on old commit (merge base)"
-            "$RUFF_DIR/ty-old" check --color=never --output-format=concise . > "$GITHUB_WORKSPACE/old-output.txt" 2>&1 || true
-
-            echo "Running ty on new commit"
-            "$RUFF_DIR/ty-new" check --color=never --output-format=concise . > "$GITHUB_WORKSPACE/new-output.txt" 2>&1 || true
-          )
-
-          if ! diff -u old-output.txt new-output.txt > typing_conformance_diagnostics.diff; then
-            echo "Differences found between base and PR"
-          else
-            echo "No differences found"
-            touch typing_conformance_diagnostics.diff
-          fi
-
-          echo "${CONFORMANCE_SUITE_COMMIT}" > conformance-suite-commit
-
-      # NOTE: astral-sh-bot uses this artifact to post comments on PRs.
-      # Make sure to update the bot if you rename the artifact.
-      - name: Upload diff
-        uses: actions/upload-artifact@b7c566a772e6b6bfb58ed0dc250532a479d7789f # v6.0.0
-        with:
-          name: typing_conformance_diagnostics_diff
-          path: typing_conformance_diagnostics.diff
-
-      # NOTE: astral-sh-bot uses this artifact to post comments on PRs.
-      # Make sure to update the bot if you rename the artifact.
-      - name: Upload conformance suite commit
-        uses: actions/upload-artifact@b7c566a772e6b6bfb58ed0dc250532a479d7789f # v6.0.0
-        with:
-          name: conformance-suite-commit
-          path: conformance-suite-commit

.github/zizmor.yml

@@ -0,0 +1,19 @@
+# Configuration for the zizmor static analysis tool, run via pre-commit in CI
+# https://woodruffw.github.io/zizmor/configuration/
+#
+# TODO: can we remove the ignores here so that our workflows are more secure?
+rules:
+  dangerous-triggers:
+    ignore:
+      - pr-comment.yaml
+  cache-poisoning:
+    ignore:
+      - build-docker.yml
+      - publish-playground.yml
+  excessive-permissions:
+    # it's hard to test what the impact of removing these ignores would be
+    # without actually running the release workflow...
+    ignore:
+      - build-docker.yml
+      - publish-playground.yml
+      - publish-docs.yml

.pre-commit-config.yaml

@@ -6,7 +6,7 @@ exclude: |
     crates/ty_vendored/vendor/.*|
     crates/ty_project/resources/.*|
     crates/ty_python_semantic/resources/corpus/.*|
-    crates/ty/docs/(configuration|rules|cli|environment).md|
+    crates/ty/docs/(configuration|rules|cli).md|
     crates/ruff_benchmark/resources/.*|
     crates/ruff_linter/resources/.*|
     crates/ruff_linter/src/rules/.*/snapshots/.*|
@@ -16,96 +16,35 @@ exclude: |
     crates/ruff_python_formatter/resources/.*|
     crates/ruff_python_formatter/tests/snapshots/.*|
     crates/ruff_python_resolver/resources/.*|
-    crates/ruff_python_resolver/tests/snapshots/.*|
-    crates/ty_completion_eval/truth/.*
+    crates/ruff_python_resolver/tests/snapshots/.*
   )$
 
 repos:
-  # Priority 0: Read-only hooks; hooks that modify disjoint file types.
   - repo: https://github.com/pre-commit/pre-commit-hooks
-    rev: v6.0.0
+    rev: v5.0.0
     hooks:
       - id: check-merge-conflict
-        priority: 0
 
   - repo: https://github.com/abravalheri/validate-pyproject
     rev: v0.24.1
     hooks:
       - id: validate-pyproject
-        priority: 0
-
-  - repo: https://github.com/crate-ci/typos
-    rev: v1.41.0
-    hooks:
-      - id: typos
-        priority: 0
-
-  - repo: local
-    hooks:
-      - id: rustfmt
-        name: rustfmt
-        entry: rustfmt
-        language: system
-        types: [rust]
-        priority: 0
-
-  # Prettier
-  - repo: https://github.com/rbubley/mirrors-prettier
-    rev: v3.7.4
-    hooks:
-      - id: prettier
-        types: [yaml]
-        priority: 0
-
-  # zizmor detects security vulnerabilities in GitHub Actions workflows.
-  # Additional configuration for the tool is found in `.github/zizmor.yml`
-  - repo: https://github.com/zizmorcore/zizmor-pre-commit
-    rev: v1.19.0
-    hooks:
-      - id: zizmor
-        priority: 0
-
-  - repo: https://github.com/python-jsonschema/check-jsonschema
-    rev: 0.36.0
-    hooks:
-      - id: check-github-workflows
-        priority: 0
-
-  - repo: https://github.com/shellcheck-py/shellcheck-py
-    rev: v0.11.0.1
-    hooks:
-      - id: shellcheck
-        priority: 0
 
   - repo: https://github.com/executablebooks/mdformat
-    rev: 1.0.0
+    rev: 0.7.22
     hooks:
       - id: mdformat
-        language: python # means renovate will also update `additional_dependencies`
         additional_dependencies:
-          - mdformat-mkdocs==5.0.0
-          - mdformat-footnote==0.1.2
+          - mdformat-mkdocs==4.0.0
+          - mdformat-footnote==0.1.1
         exclude: |
           (?x)^(
             docs/formatter/black\.md
             | docs/\w+\.md
           )$
-        priority: 0
 
-  - repo: https://github.com/astral-sh/ruff-pre-commit
-    rev: v0.14.10
-    hooks:
-      - id: ruff-format
-        priority: 0
-      - id: ruff-check
-        args: [--fix, --exit-non-zero-on-fix]
-        types_or: [python, pyi]
-        require_serial: true
-        priority: 1
-
-  # Priority 1: Second-pass fixers (e.g., markdownlint-fix runs after mdformat).
   - repo: https://github.com/igorshubovych/markdownlint-cli
-    rev: v0.47.0
+    rev: v0.45.0
     hooks:
       - id: markdownlint-fix
         exclude: |
@@ -113,14 +52,11 @@ repos:
             docs/formatter/black\.md
             | docs/\w+\.md
           )$
-        priority: 1
 
-  # Priority 2: blacken-docs runs after markdownlint-fix (both modify markdown).
   - repo: https://github.com/adamchainz/blacken-docs
-    rev: 1.20.0
+    rev: 1.19.1
     hooks:
       - id: blacken-docs
-        language: python # means renovate will also update `additional_dependencies`
         args: ["--pyi", "--line-length", "130"]
         files: '^crates/.*/resources/mdtest/.*\.md'
         exclude: |
@@ -128,27 +64,69 @@ repos:
             .*?invalid(_.+)*_syntax\.md
           )$
         additional_dependencies:
-          - black==25.12.0
-        priority: 2
+          - black==25.1.0
+
+  - repo: https://github.com/crate-ci/typos
+    rev: v1.33.1
+    hooks:
+      - id: typos
+
+  - repo: local
+    hooks:
+      - id: cargo-fmt
+        name: cargo fmt
+        entry: cargo fmt --
+        language: system
+        types: [rust]
+        pass_filenames: false # This makes it a lot faster
+
+  - repo: https://github.com/astral-sh/ruff-pre-commit
+    rev: v0.11.13
+    hooks:
+      - id: ruff-format
+      - id: ruff
+        args: [--fix, --exit-non-zero-on-fix]
+        types_or: [python, pyi]
+        require_serial: true
+
+  # Prettier
+  - repo: https://github.com/rbubley/mirrors-prettier
+    rev: v3.5.3
+    hooks:
+      - id: prettier
+        types: [yaml]
+
+  # zizmor detects security vulnerabilities in GitHub Actions workflows.
+  # Additional configuration for the tool is found in `.github/zizmor.yml`
+  - repo: https://github.com/woodruffw/zizmor-pre-commit
+    rev: v1.9.0
+    hooks:
+      - id: zizmor
+
+  - repo: https://github.com/python-jsonschema/check-jsonschema
+    rev: 0.33.0
+    hooks:
+      - id: check-github-workflows
 
   # `actionlint` hook, for verifying correct syntax in GitHub Actions workflows.
   # Some additional configuration for `actionlint` can be found in `.github/actionlint.yaml`.
   - repo: https://github.com/rhysd/actionlint
-    rev: v1.7.10
+    rev: v1.7.7
     hooks:
       - id: actionlint
         stages:
           # This hook is disabled by default, since it's quite slow.
-          # To run all hooks *including* this hook, use `uvx prek run -a --hook-stage=manual`.
-          # To run *just* this hook, use `uvx prek run -a actionlint --hook-stage=manual`.
+          # To run all hooks *including* this hook, use `uvx pre-commit run -a --hook-stage=manual`.
+          # To run *just* this hook, use `uvx pre-commit run -a actionlint --hook-stage=manual`.
           - manual
         args:
           - "-ignore=SC2129" # ignorable stylistic lint from shellcheck
           - "-ignore=SC2016" # another shellcheck lint: seems to have false positives?
-        language: golang # means renovate will also update `additional_dependencies`
         additional_dependencies:
           # actionlint has a shellcheck integration which extracts shell scripts in `run:` steps from GitHub Actions
           # and checks these with shellcheck. This is arguably its most useful feature,
           # but the integration only works if shellcheck is installed
-          - "github.com/wasilibs/go-shellcheck/cmd/shellcheck@v0.11.1"
-        priority: 0
+          - "github.com/wasilibs/go-shellcheck/cmd/shellcheck@v0.10.0"
+
+ci:
+  skip: [cargo-fmt, dev-generate-all]

.vscode/settings.json

@@ -3,8 +3,4 @@
         "--all-features"
     ],
     "rust-analyzer.check.command": "clippy",
-    "search.exclude": {
-        "**/*.snap": true
-    },
-    "ty.diagnosticMode": "openFilesOnly"
-}
+}

BREAKING_CHANGES.md

@@ -1,60 +1,5 @@
 # Breaking Changes
 
-## 0.14.0
-
-- **Default to Python 3.10**
-
-    Ruff now defaults to Python 3.10 instead of 3.9 if no explicit Python
-    version is configured using [`ruff.target-version`](https://docs.astral.sh/ruff/settings/#target-version)
-    or [`project.requires-python`](https://packaging.python.org/en/latest/guides/writing-pyproject-toml/#python-requires)
-    ([#20725](https://github.com/astral-sh/ruff/pull/20725))
-
-- **Default to Python 3.14 for syntax errors**
-
-    Ruff will default to the _latest_ supported Python version (3.14) when
-    checking for syntax errors without a Python version configured. The default
-    in all other cases, like applying lint rules, remains at the minimum
-    supported Python version (3.10).
-
-## 0.13.0
-
-- **Several rules can now add `from __future__ import annotations` automatically**
-
-    `TC001`, `TC002`, `TC003`, `RUF013`, and `UP037` now add `from __future__ import annotations` as part of their fixes when the
-    `lint.future-annotations` setting is enabled. This allows the rules to move
-    more imports into `TYPE_CHECKING` blocks (`TC001`, `TC002`, and `TC003`),
-    use PEP 604 union syntax on Python versions before 3.10 (`RUF013`), and
-    unquote more annotations (`UP037`).
-
-- **Full module paths are now used to verify first-party modules**
-
-    Ruff now checks that the full path to a module exists on disk before
-    categorizing it as a first-party import. This change makes first-party
-    import detection more accurate, helping to avoid false positives on local
-    directories with the same name as a third-party dependency, for example. See
-    the [FAQ
-    section](https://docs.astral.sh/ruff/faq/#how-does-ruff-determine-which-of-my-imports-are-first-party-third-party-etc) on import categorization for more details.
-
-- **Deprecated rules must now be selected by exact rule code**
-
-    Ruff will no longer activate deprecated rules selected by their group name
-    or prefix. As noted below, the two remaining deprecated rules were also
-    removed in this release, so this won't affect any current rules, but it will
-    still affect any deprecations in the future.
-
-- **The deprecated macOS configuration directory fallback has been removed**
-
-    Ruff will no longer look for a user-level configuration file at
-    `~/Library/Application Support/ruff/ruff.toml` on macOS. This feature was
-    deprecated in v0.5 in favor of using the [XDG
-    specification](https://specifications.freedesktop.org/basedir-spec/latest/)
-    (usually resolving to `~/.config/ruff/ruff.toml`), like on Linux. The
-    fallback and accompanying deprecation warning have now been removed.
-
-- **[`pandas-df-variable-name`](https://docs.astral.sh/ruff/rules/pandas-df-variable-name) (`PD901`) has been removed**
-
-- **[`non-pep604-isinstance`](https://docs.astral.sh/ruff/rules/non-pep604-isinstance) (`UP038`) has been removed**
-
 ## 0.12.0
 
 - **Detection of more syntax errors**

CHANGELOG.md

@@ -1,565 +1,144 @@
 # Changelog
 
-## 0.14.11
+## 0.12.0
 
-Released on 2026-01-08.
-
-### Preview features
-
-- Consolidate diagnostics for matched disable/enable suppression comments ([#22099](https://github.com/astral-sh/ruff/pull/22099))
-- Report diagnostics for invalid/unmatched range suppression comments ([#21908](https://github.com/astral-sh/ruff/pull/21908))
-- \[`airflow`\] Passing positional argument into `airflow.lineage.hook.HookLineageCollector.create_asset` is not allowed (`AIR303`) ([#22046](https://github.com/astral-sh/ruff/pull/22046))
-- \[`refurb`\] Mark `FURB192` fix as always unsafe ([#22210](https://github.com/astral-sh/ruff/pull/22210))
-- \[`ruff`\] Add `non-empty-init-module` (`RUF067`) ([#22143](https://github.com/astral-sh/ruff/pull/22143))
-
-### Bug fixes
-
-- Fix GitHub format for multi-line diagnostics ([#22108](https://github.com/astral-sh/ruff/pull/22108))
-- \[`flake8-unused-arguments`\] Mark `**kwargs` in `TypeVar` as used (`ARG001`) ([#22214](https://github.com/astral-sh/ruff/pull/22214))
-
-### Rule changes
-
-- Add `help:` subdiagnostics for several Ruff rules that can sometimes appear to disagree with `ty` ([#22331](https://github.com/astral-sh/ruff/pull/22331))
-- \[`pylint`\] Demote `PLW1510` fix to display-only ([#22318](https://github.com/astral-sh/ruff/pull/22318))
-- \[`pylint`\] Ignore identical members (`PLR1714`) ([#22220](https://github.com/astral-sh/ruff/pull/22220))
-- \[`pylint`\] Improve diagnostic range for `PLC0206` ([#22312](https://github.com/astral-sh/ruff/pull/22312))
-- \[`ruff`\] Improve fix title for `RUF102` invalid rule code ([#22100](https://github.com/astral-sh/ruff/pull/22100))
-- \[`flake8-simplify`\]: Avoid unnecessary builtins import for `SIM105` ([#22358](https://github.com/astral-sh/ruff/pull/22358))
-
-### Configuration
-
-- Allow Python 3.15 as valid `target-version` value in preview ([#22419](https://github.com/astral-sh/ruff/pull/22419))
-- Check `required-version` before parsing rules ([#22410](https://github.com/astral-sh/ruff/pull/22410))
-- Include configured `src` directories when resolving graphs ([#22451](https://github.com/astral-sh/ruff/pull/22451))
-
-### Documentation
-
-- Update `T201` suggestion to not use root logger to satisfy `LOG015` ([#22059](https://github.com/astral-sh/ruff/pull/22059))
-- Fix `iter` example in unsafe fixes doc ([#22118](https://github.com/astral-sh/ruff/pull/22118))
-- \[`flake8_print`\] better suggestion for `basicConfig` in `T201` docs ([#22101](https://github.com/astral-sh/ruff/pull/22101))
-- \[`pylint`\] Restore the fix safety docs for `PLW0133` ([#22211](https://github.com/astral-sh/ruff/pull/22211))
-- Fix Jupyter notebook discovery info for editors ([#22447](https://github.com/astral-sh/ruff/pull/22447))
-
-### Contributors
-
-- [@charliermarsh](https://github.com/charliermarsh)
-- [@ntBre](https://github.com/ntBre)
-- [@cenviity](https://github.com/cenviity)
-- [@njhearp](https://github.com/njhearp)
-- [@cbachhuber](https://github.com/cbachhuber)
-- [@jelle-openai](https://github.com/jelle-openai)
-- [@AlexWaygood](https://github.com/AlexWaygood)
-- [@ValdonVitija](https://github.com/ValdonVitija)
-- [@BurntSushi](https://github.com/BurntSushi)
-- [@Jkhall81](https://github.com/Jkhall81)
-- [@PeterJCLaw](https://github.com/PeterJCLaw)
-- [@harupy](https://github.com/harupy)
-- [@amyreese](https://github.com/amyreese)
-- [@sjyangkevin](https://github.com/sjyangkevin)
-- [@woodruffw](https://github.com/woodruffw)
-
-## 0.14.10
-
-Released on 2025-12-18.
-
-### Preview features
-
-- [formatter] Fluent formatting of method chains ([#21369](https://github.com/astral-sh/ruff/pull/21369))
-- [formatter] Keep lambda parameters on one line and parenthesize the body if it expands ([#21385](https://github.com/astral-sh/ruff/pull/21385))
-- \[`flake8-implicit-str-concat`\] New rule to prevent implicit string concatenation in collections (`ISC004`) ([#21972](https://github.com/astral-sh/ruff/pull/21972))
-- \[`flake8-use-pathlib`\] Make fixes unsafe when types change in compound statements (`PTH104`, `PTH105`, `PTH109`, `PTH115`) ([#22009](https://github.com/astral-sh/ruff/pull/22009))
-- \[`refurb`\] Extend support for `Path.open` (`FURB101`, `FURB103`) ([#21080](https://github.com/astral-sh/ruff/pull/21080))
-
-### Bug fixes
-
-- \[`pyupgrade`\] Fix parsing named Unicode escape sequences (`UP032`) ([#21901](https://github.com/astral-sh/ruff/pull/21901))
-
-### Rule changes
-
-- \[`eradicate`\] Ignore `ruff:disable` and `ruff:enable` comments in `ERA001` ([#22038](https://github.com/astral-sh/ruff/pull/22038))
-- \[`flake8-pytest-style`\] Allow `match` and `check` keyword arguments without an expected exception type (`PT010`) ([#21964](https://github.com/astral-sh/ruff/pull/21964))
-- [syntax-errors] Annotated name cannot be global ([#20868](https://github.com/astral-sh/ruff/pull/20868))
-
-### Documentation
-
-- Add `uv` and `ty` to the Ruff README ([#21996](https://github.com/astral-sh/ruff/pull/21996))
-- Document known lambda formatting deviations from Black ([#21954](https://github.com/astral-sh/ruff/pull/21954))
-- Update `setup.md` ([#22024](https://github.com/astral-sh/ruff/pull/22024))
-- \[`flake8-bandit`\] Fix broken link (`S704`) ([#22039](https://github.com/astral-sh/ruff/pull/22039))
-
-### Other changes
-
-- Fix playground Share button showing "Copied!" before clipboard copy completes ([#21942](https://github.com/astral-sh/ruff/pull/21942))
-
-### Contributors
-
-- [@dylwil3](https://github.com/dylwil3)
-- [@charliecloudberry](https://github.com/charliecloudberry)
-- [@charliermarsh](https://github.com/charliermarsh)
-- [@chirizxc](https://github.com/chirizxc)
-- [@ntBre](https://github.com/ntBre)
-- [@zanieb](https://github.com/zanieb)
-- [@amyreese](https://github.com/amyreese)
-- [@hauntsaninja](https://github.com/hauntsaninja)
-- [@11happy](https://github.com/11happy)
-- [@mahiro72](https://github.com/mahiro72)
-- [@MichaReiser](https://github.com/MichaReiser)
-- [@phongddo](https://github.com/phongddo)
-- [@PeterJCLaw](https://github.com/PeterJCLaw)
-
-## 0.14.9
-
-Released on 2025-12-11.
-
-### Preview features
-
-- \[`ruff`\] New `RUF100` diagnostics for unused range suppressions ([#21783](https://github.com/astral-sh/ruff/pull/21783))
-- \[`pylint`\] Detect subclasses of builtin exceptions (`PLW0133`) ([#21382](https://github.com/astral-sh/ruff/pull/21382))
-
-### Bug fixes
-
-- Fix comment placement in lambda parameters ([#21868](https://github.com/astral-sh/ruff/pull/21868))
-- Skip over trivia tokens after re-lexing ([#21895](https://github.com/astral-sh/ruff/pull/21895))
-- \[`flake8-bandit`\] Fix false positive when using non-standard `CSafeLoader` path (S506). ([#21830](https://github.com/astral-sh/ruff/pull/21830))
-- \[`flake8-bugbear`\] Accept immutable slice default arguments (`B008`) ([#21823](https://github.com/astral-sh/ruff/pull/21823))
-
-### Rule changes
-
-- \[`pydocstyle`\] Suppress `D417` for parameters with `Unpack` annotations ([#21816](https://github.com/astral-sh/ruff/pull/21816))
-
-### Performance
-
-- Use `memchr` for computing line indexes ([#21838](https://github.com/astral-sh/ruff/pull/21838))
-
-### Documentation
-
-- Document `*.pyw` is included by default in preview ([#21885](https://github.com/astral-sh/ruff/pull/21885))
-- Document range suppressions, reorganize suppression docs ([#21884](https://github.com/astral-sh/ruff/pull/21884))
-- Update mkdocs-material to 9.7.0 (Insiders now free) ([#21797](https://github.com/astral-sh/ruff/pull/21797))
-
-### Contributors
-
-- [@Avasam](https://github.com/Avasam)
-- [@MichaReiser](https://github.com/MichaReiser)
-- [@charliermarsh](https://github.com/charliermarsh)
-- [@amyreese](https://github.com/amyreese)
-- [@phongddo](https://github.com/phongddo)
-- [@prakhar1144](https://github.com/prakhar1144)
-- [@mahiro72](https://github.com/mahiro72)
-- [@ntBre](https://github.com/ntBre)
-- [@LoicRiegel](https://github.com/LoicRiegel)
-
-## 0.14.8
-
-Released on 2025-12-04.
-
-### Preview features
-
-- \[`flake8-bugbear`\] Catch `yield` expressions within other statements (`B901`) ([#21200](https://github.com/astral-sh/ruff/pull/21200))
-- \[`flake8-use-pathlib`\] Mark fixes unsafe for return type changes (`PTH104`, `PTH105`, `PTH109`, `PTH115`) ([#21440](https://github.com/astral-sh/ruff/pull/21440))
-
-### Bug fixes
-
-- Fix syntax error false positives for `await` outside functions ([#21763](https://github.com/astral-sh/ruff/pull/21763))
-- \[`flake8-simplify`\] Fix truthiness assumption for non-iterable arguments in tuple/list/set calls (`SIM222`, `SIM223`) ([#21479](https://github.com/astral-sh/ruff/pull/21479))
-
-### Documentation
-
-- Suggest using `--output-file` option in GitLab integration ([#21706](https://github.com/astral-sh/ruff/pull/21706))
-
-### Other changes
-
-- [syntax-error] Default type parameter followed by non-default type parameter ([#21657](https://github.com/astral-sh/ruff/pull/21657))
-
-### Contributors
-
-- [@kieran-ryan](https://github.com/kieran-ryan)
-- [@11happy](https://github.com/11happy)
-- [@danparizher](https://github.com/danparizher)
-- [@ntBre](https://github.com/ntBre)
-
-## 0.14.7
-
-Released on 2025-11-28.
-
-### Preview features
-
-- \[`flake8-bandit`\] Handle string literal bindings in suspicious-url-open-usage (`S310`) ([#21469](https://github.com/astral-sh/ruff/pull/21469))
-- \[`pylint`\] Fix `PLR1708` false positives on nested functions ([#21177](https://github.com/astral-sh/ruff/pull/21177))
-- \[`pylint`\] Fix suppression for empty dict without tuple key annotation (`PLE1141`) ([#21290](https://github.com/astral-sh/ruff/pull/21290))
-- \[`ruff`\] Add rule `RUF066` to detect unnecessary class properties ([#21535](https://github.com/astral-sh/ruff/pull/21535))
-- \[`ruff`\] Catch more dummy variable uses (`RUF052`) ([#19799](https://github.com/astral-sh/ruff/pull/19799))
-
-### Bug fixes
-
-- [server] Set severity for non-rule diagnostics ([#21559](https://github.com/astral-sh/ruff/pull/21559))
-- \[`flake8-implicit-str-concat`\] Avoid invalid fix in (`ISC003`) ([#21517](https://github.com/astral-sh/ruff/pull/21517))
-- \[`parser`\] Fix panic when parsing IPython escape command expressions ([#21480](https://github.com/astral-sh/ruff/pull/21480))
-
-### CLI
-
-- Show partial fixability indicator in statistics output ([#21513](https://github.com/astral-sh/ruff/pull/21513))
-
-### Contributors
-
-- [@mikeleppane](https://github.com/mikeleppane)
-- [@senekor](https://github.com/senekor)
-- [@ShaharNaveh](https://github.com/ShaharNaveh)
-- [@JumboBear](https://github.com/JumboBear)
-- [@prakhar1144](https://github.com/prakhar1144)
-- [@tsvikas](https://github.com/tsvikas)
-- [@danparizher](https://github.com/danparizher)
-- [@chirizxc](https://github.com/chirizxc)
-- [@AlexWaygood](https://github.com/AlexWaygood)
-- [@MichaReiser](https://github.com/MichaReiser)
-
-## 0.14.6
-
-Released on 2025-11-21.
-
-### Preview features
-
-- \[`flake8-bandit`\] Support new PySNMP API paths (`S508`, `S509`) ([#21374](https://github.com/astral-sh/ruff/pull/21374))
-
-### Bug fixes
-
-- Adjust own-line comment placement between branches ([#21185](https://github.com/astral-sh/ruff/pull/21185))
-- Avoid syntax error when formatting attribute expressions with outer parentheses, parenthesized value, and trailing comment on value ([#20418](https://github.com/astral-sh/ruff/pull/20418))
-- Fix panic when formatting comments in unary expressions ([#21501](https://github.com/astral-sh/ruff/pull/21501))
-- Respect `fmt: skip` for compound statements on a single line ([#20633](https://github.com/astral-sh/ruff/pull/20633))
-- \[`refurb`\] Fix `FURB103` autofix ([#21454](https://github.com/astral-sh/ruff/pull/21454))
-- \[`ruff`\] Fix false positive for complex conversion specifiers in `logging-eager-conversion` (`RUF065`) ([#21464](https://github.com/astral-sh/ruff/pull/21464))
-
-### Rule changes
-
-- \[`ruff`\] Avoid false positive on `ClassVar` reassignment (`RUF012`) ([#21478](https://github.com/astral-sh/ruff/pull/21478))
-
-### CLI
-
-- Render hyperlinks for lint errors ([#21514](https://github.com/astral-sh/ruff/pull/21514))
-- Add a `ruff analyze` option to skip over imports in `TYPE_CHECKING` blocks ([#21472](https://github.com/astral-sh/ruff/pull/21472))
-
-### Documentation
-
-- Limit `eglot-format` hook to eglot-managed Python buffers ([#21459](https://github.com/astral-sh/ruff/pull/21459))
-- Mention `force-exclude` in "Configuration > Python file discovery" ([#21500](https://github.com/astral-sh/ruff/pull/21500))
-
-### Contributors
-
-- [@ntBre](https://github.com/ntBre)
-- [@dylwil3](https://github.com/dylwil3)
-- [@gauthsvenkat](https://github.com/gauthsvenkat)
-- [@MichaReiser](https://github.com/MichaReiser)
-- [@thamer](https://github.com/thamer)
-- [@Ruchir28](https://github.com/Ruchir28)
-- [@thejcannon](https://github.com/thejcannon)
-- [@danparizher](https://github.com/danparizher)
-- [@chirizxc](https://github.com/chirizxc)
-
-## 0.14.5
-
-Released on 2025-11-13.
-
-### Preview features
-
-- \[`flake8-simplify`\] Apply `SIM113` when index variable is of type `int` ([#21395](https://github.com/astral-sh/ruff/pull/21395))
-- \[`pydoclint`\] Fix false positive when Sphinx directives follow a "Raises" section (`DOC502`) ([#20535](https://github.com/astral-sh/ruff/pull/20535))
-- \[`pydoclint`\] Support NumPy-style comma-separated parameters (`DOC102`) ([#20972](https://github.com/astral-sh/ruff/pull/20972))
-- \[`refurb`\] Auto-fix annotated assignments (`FURB101`) ([#21278](https://github.com/astral-sh/ruff/pull/21278))
-- \[`ruff`\] Ignore `str()` when not used for simple conversion (`RUF065`) ([#21330](https://github.com/astral-sh/ruff/pull/21330))
-
-### Bug fixes
-
-- Fix syntax error false positive on alternative `match` patterns ([#21362](https://github.com/astral-sh/ruff/pull/21362))
-- \[`flake8-simplify`\] Fix false positive for iterable initializers with generator arguments (`SIM222`) ([#21187](https://github.com/astral-sh/ruff/pull/21187))
-- \[`pyupgrade`\] Fix false positive on relative imports from local `.builtins` module (`UP029`) ([#21309](https://github.com/astral-sh/ruff/pull/21309))
-- \[`pyupgrade`\] Consistently set the deprecated tag (`UP035`) ([#21396](https://github.com/astral-sh/ruff/pull/21396))
-
-### Rule changes
-
-- \[`refurb`\] Detect empty f-strings (`FURB105`) ([#21348](https://github.com/astral-sh/ruff/pull/21348))
-
-### CLI
-
-- Add option to provide a reason to `--add-noqa` ([#21294](https://github.com/astral-sh/ruff/pull/21294))
-- Add upstream linter URL to `ruff linter --output-format=json` ([#21316](https://github.com/astral-sh/ruff/pull/21316))
-- Add color to `--help` ([#21337](https://github.com/astral-sh/ruff/pull/21337))
-
-### Documentation
-
-- Add a new "Opening a PR" section to the contribution guide ([#21298](https://github.com/astral-sh/ruff/pull/21298))
-- Added the PyScripter IDE to the list of "Who is using Ruff?" ([#21402](https://github.com/astral-sh/ruff/pull/21402))
-- Update PyCharm setup instructions ([#21409](https://github.com/astral-sh/ruff/pull/21409))
-- \[`flake8-annotations`\] Add link to `allow-star-arg-any` option (`ANN401`) ([#21326](https://github.com/astral-sh/ruff/pull/21326))
-
-### Other changes
-
-- \[`configuration`\] Improve error message when `line-length` exceeds `u16::MAX` ([#21329](https://github.com/astral-sh/ruff/pull/21329))
-
-### Contributors
-
-- [@njhearp](https://github.com/njhearp)
-- [@11happy](https://github.com/11happy)
-- [@hugovk](https://github.com/hugovk)
-- [@Gankra](https://github.com/Gankra)
-- [@ntBre](https://github.com/ntBre)
-- [@pyscripter](https://github.com/pyscripter)
-- [@danparizher](https://github.com/danparizher)
-- [@MichaReiser](https://github.com/MichaReiser)
-- [@henryiii](https://github.com/henryiii)
-- [@charliecloudberry](https://github.com/charliecloudberry)
-
-## 0.14.4
-
-Released on 2025-11-06.
-
-### Preview features
-
-- [formatter] Allow newlines after function headers without docstrings ([#21110](https://github.com/astral-sh/ruff/pull/21110))
-- [formatter] Avoid extra parentheses for long `match` patterns with `as` captures ([#21176](https://github.com/astral-sh/ruff/pull/21176))
-- \[`refurb`\] Expand fix safety for keyword arguments and `Decimal`s (`FURB164`) ([#21259](https://github.com/astral-sh/ruff/pull/21259))
-- \[`refurb`\] Preserve argument ordering in autofix (`FURB103`) ([#20790](https://github.com/astral-sh/ruff/pull/20790))
-
-### Bug fixes
-
-- [server] Fix missing diagnostics for notebooks ([#21156](https://github.com/astral-sh/ruff/pull/21156))
-- \[`flake8-bugbear`\] Ignore non-NFKC attribute names in `B009` and `B010` ([#21131](https://github.com/astral-sh/ruff/pull/21131))
-- \[`refurb`\] Fix false negative for underscores before sign in `Decimal` constructor (`FURB157`) ([#21190](https://github.com/astral-sh/ruff/pull/21190))
-- \[`ruff`\] Fix false positives on starred arguments (`RUF057`) ([#21256](https://github.com/astral-sh/ruff/pull/21256))
-
-### Rule changes
-
-- \[`airflow`\] extend deprecated argument `concurrency` in `airflow..DAG` (`AIR301`) ([#21220](https://github.com/astral-sh/ruff/pull/21220))
-
-### Documentation
-
-- Improve `extend` docs ([#21135](https://github.com/astral-sh/ruff/pull/21135))
-- \[`flake8-comprehensions`\] Fix typo in `C416` documentation ([#21184](https://github.com/astral-sh/ruff/pull/21184))
-- Revise Ruff setup instructions for Zed editor ([#20935](https://github.com/astral-sh/ruff/pull/20935))
-
-### Other changes
-
-- Make `ruff analyze graph` work with jupyter notebooks ([#21161](https://github.com/astral-sh/ruff/pull/21161))
-
-### Contributors
-
-- [@chirizxc](https://github.com/chirizxc)
-- [@Lee-W](https://github.com/Lee-W)
-- [@musicinmybrain](https://github.com/musicinmybrain)
-- [@MichaReiser](https://github.com/MichaReiser)
-- [@tjkuson](https://github.com/tjkuson)
-- [@danparizher](https://github.com/danparizher)
-- [@renovate](https://github.com/renovate)
-- [@ntBre](https://github.com/ntBre)
-- [@gauthsvenkat](https://github.com/gauthsvenkat)
-- [@LoicRiegel](https://github.com/LoicRiegel)
-
-## 0.14.3
-
-Released on 2025-10-30.
-
-### Preview features
-
-- Respect `--output-format` with `--watch` ([#21097](https://github.com/astral-sh/ruff/pull/21097))
-- \[`pydoclint`\] Fix false positive on explicit exception re-raising (`DOC501`, `DOC502`) ([#21011](https://github.com/astral-sh/ruff/pull/21011))
-- \[`pyflakes`\] Revert to stable behavior if imports for module lie in alternate branches for `F401` ([#20878](https://github.com/astral-sh/ruff/pull/20878))
-- \[`pylint`\] Implement `stop-iteration-return` (`PLR1708`) ([#20733](https://github.com/astral-sh/ruff/pull/20733))
-- \[`ruff`\] Add support for additional eager conversion patterns (`RUF065`) ([#20657](https://github.com/astral-sh/ruff/pull/20657))
-
-### Bug fixes
-
-- Fix finding keyword range for clause header after statement ending with semicolon ([#21067](https://github.com/astral-sh/ruff/pull/21067))
-- Fix syntax error false positive on nested alternative patterns ([#21104](https://github.com/astral-sh/ruff/pull/21104))
-- \[`ISC001`\] Fix panic when string literals are unclosed ([#21034](https://github.com/astral-sh/ruff/pull/21034))
-- \[`flake8-django`\] Apply `DJ001` to annotated fields ([#20907](https://github.com/astral-sh/ruff/pull/20907))
-- \[`flake8-pyi`\] Fix `PYI034` to not trigger on metaclasses (`PYI034`) ([#20881](https://github.com/astral-sh/ruff/pull/20881))
-- \[`flake8-type-checking`\] Fix `TC003` false positive with `future-annotations` ([#21125](https://github.com/astral-sh/ruff/pull/21125))
-- \[`pyflakes`\] Fix false positive for `__class__` in lambda expressions within class definitions (`F821`) ([#20564](https://github.com/astral-sh/ruff/pull/20564))
-- \[`pyupgrade`\] Fix false positive for `TypeVar` with default on Python \<3.13 (`UP046`,`UP047`) ([#21045](https://github.com/astral-sh/ruff/pull/21045))
-
-### Rule changes
-
-- Add missing docstring sections to the numpy list ([#20931](https://github.com/astral-sh/ruff/pull/20931))
-- \[`airflow`\] Extend `airflow.models..Param` check (`AIR311`) ([#21043](https://github.com/astral-sh/ruff/pull/21043))
-- \[`airflow`\] Warn that `airflow....DAG.create_dagrun` has been removed (`AIR301`) ([#21093](https://github.com/astral-sh/ruff/pull/21093))
-- \[`refurb`\] Preserve digit separators in `Decimal` constructor (`FURB157`) ([#20588](https://github.com/astral-sh/ruff/pull/20588))
-
-### Server
-
-- Avoid sending an unnecessary "clear diagnostics" message for clients supporting pull diagnostics ([#21105](https://github.com/astral-sh/ruff/pull/21105))
-
-### Documentation
-
-- \[`flake8-bandit`\] Fix correct example for `S308` ([#21128](https://github.com/astral-sh/ruff/pull/21128))
-
-### Other changes
-
-- Clearer error message when `line-length` goes beyond threshold ([#21072](https://github.com/astral-sh/ruff/pull/21072))
-
-### Contributors
-
-- [@danparizher](https://github.com/danparizher)
-- [@jvacek](https://github.com/jvacek)
-- [@ntBre](https://github.com/ntBre)
-- [@augustelalande](https://github.com/augustelalande)
-- [@prakhar1144](https://github.com/prakhar1144)
-- [@TaKO8Ki](https://github.com/TaKO8Ki)
-- [@dylwil3](https://github.com/dylwil3)
-- [@fatelei](https://github.com/fatelei)
-- [@ShaharNaveh](https://github.com/ShaharNaveh)
-- [@Lee-W](https://github.com/Lee-W)
-
-## 0.14.2
-
-Released on 2025-10-23.
-
-### Preview features
-
-- \[`flake8-gettext`\] Resolve qualified names and built-in bindings (`INT001`, `INT002`, `INT003`) ([#19045](https://github.com/astral-sh/ruff/pull/19045))
-
-### Bug fixes
-
-- Avoid reusing nested, interpolated quotes before Python 3.12 ([#20930](https://github.com/astral-sh/ruff/pull/20930))
-- Catch syntax errors in nested interpolations before Python 3.12 ([#20949](https://github.com/astral-sh/ruff/pull/20949))
-- \[`fastapi`\] Handle ellipsis defaults in `FAST002` autofix ([#20810](https://github.com/astral-sh/ruff/pull/20810))
-- \[`flake8-simplify`\] Skip `SIM911` when unknown arguments are present ([#20697](https://github.com/astral-sh/ruff/pull/20697))
-- \[`pyupgrade`\] Always parenthesize assignment expressions in fix for `f-string` (`UP032`) ([#21003](https://github.com/astral-sh/ruff/pull/21003))
-- \[`pyupgrade`\] Fix `UP032` conversion for decimal ints with underscores ([#21022](https://github.com/astral-sh/ruff/pull/21022))
-- \[`fastapi`\] Skip autofix for keyword and `__debug__` path params (`FAST003`) ([#20960](https://github.com/astral-sh/ruff/pull/20960))
-
-### Rule changes
-
-- \[`flake8-bugbear`\] Skip `B905` and `B912` for fewer than two iterables and no starred arguments ([#20998](https://github.com/astral-sh/ruff/pull/20998))
-- \[`ruff`\] Use `DiagnosticTag` for more `pyflakes` and `pandas` rules ([#20801](https://github.com/astral-sh/ruff/pull/20801))
-
-### CLI
-
-- Improve JSON output from `ruff rule` ([#20168](https://github.com/astral-sh/ruff/pull/20168))
-
-### Documentation
-
-- Add source to testimonial ([#20971](https://github.com/astral-sh/ruff/pull/20971))
-- Document when a rule was added ([#21035](https://github.com/astral-sh/ruff/pull/21035))
-
-### Other changes
-
-- [syntax-errors] Name is parameter and global ([#20426](https://github.com/astral-sh/ruff/pull/20426))
-- [syntax-errors] Alternative `match` patterns bind different names ([#20682](https://github.com/astral-sh/ruff/pull/20682))
-
-### Contributors
-
-- [@hengky-kurniawan-1](https://github.com/hengky-kurniawan-1)
-- [@ShalokShalom](https://github.com/ShalokShalom)
-- [@robsdedude](https://github.com/robsdedude)
-- [@LoicRiegel](https://github.com/LoicRiegel)
-- [@TaKO8Ki](https://github.com/TaKO8Ki)
-- [@dylwil3](https://github.com/dylwil3)
-- [@11happy](https://github.com/11happy)
-- [@ntBre](https://github.com/ntBre)
-
-## 0.14.1
-
-Released on 2025-10-16.
-
-### Preview features
-
-- [formatter] Remove parentheses around multiple exception types on Python 3.14+ ([#20768](https://github.com/astral-sh/ruff/pull/20768))
-- \[`flake8-bugbear`\] Omit annotation in preview fix for `B006` ([#20877](https://github.com/astral-sh/ruff/pull/20877))
-- \[`flake8-logging-format`\] Avoid dropping implicitly concatenated pieces in the `G004` fix ([#20793](https://github.com/astral-sh/ruff/pull/20793))
-- \[`pydoclint`\] Implement `docstring-extraneous-parameter` (`DOC102`) ([#20376](https://github.com/astral-sh/ruff/pull/20376))
-- \[`pyupgrade`\] Extend `UP019` to detect `typing_extensions.Text` (`UP019`) ([#20825](https://github.com/astral-sh/ruff/pull/20825))
-- \[`pyupgrade`\] Fix false negative for `TypeVar` with default argument in `non-pep695-generic-class` (`UP046`) ([#20660](https://github.com/astral-sh/ruff/pull/20660))
-
-### Bug fixes
-
-- Fix false negatives in `Truthiness::from_expr` for lambdas, generators, and f-strings ([#20704](https://github.com/astral-sh/ruff/pull/20704))
-- Fix syntax error false positives for escapes and quotes in f-strings ([#20867](https://github.com/astral-sh/ruff/pull/20867))
-- Fix syntax error false positives on parenthesized context managers ([#20846](https://github.com/astral-sh/ruff/pull/20846))
-- \[`fastapi`\] Fix false positives for path parameters that FastAPI doesn't recognize (`FAST003`) ([#20687](https://github.com/astral-sh/ruff/pull/20687))
-- \[`flake8-pyi`\] Fix operator precedence by adding parentheses when needed (`PYI061`) ([#20508](https://github.com/astral-sh/ruff/pull/20508))
-- \[`ruff`\] Suppress diagnostic for f-string interpolations with debug text (`RUF010`) ([#20525](https://github.com/astral-sh/ruff/pull/20525))
-
-### Rule changes
-
-- \[`airflow`\] Add warning to `airflow.datasets.DatasetEvent` usage (`AIR301`) ([#20551](https://github.com/astral-sh/ruff/pull/20551))
-- \[`flake8-bugbear`\] Mark `B905` and `B912` fixes as unsafe ([#20695](https://github.com/astral-sh/ruff/pull/20695))
-- Use `DiagnosticTag` for more rules - changes display in editors ([#20758](https://github.com/astral-sh/ruff/pull/20758),[#20734](https://github.com/astral-sh/ruff/pull/20734))
-
-### Documentation
-
-- Update Python compatibility from 3.13 to 3.14 in README.md ([#20852](https://github.com/astral-sh/ruff/pull/20852))
-- Update `lint.flake8-type-checking.quoted-annotations` docs ([#20765](https://github.com/astral-sh/ruff/pull/20765))
-- Update setup instructions for Zed 0.208.0+ ([#20902](https://github.com/astral-sh/ruff/pull/20902))
-- \[`flake8-datetimez`\] Clarify docs for several rules ([#20778](https://github.com/astral-sh/ruff/pull/20778))
-- Fix typo in `RUF015` description ([#20873](https://github.com/astral-sh/ruff/pull/20873))
-
-### Other changes
-
-- Reduce binary size ([#20863](https://github.com/astral-sh/ruff/pull/20863))
-- Improved error recovery for unclosed strings (including f- and t-strings) ([#20848](https://github.com/astral-sh/ruff/pull/20848))
-
-### Contributors
-
-- [@ntBre](https://github.com/ntBre)
-- [@Paillat-dev](https://github.com/Paillat-dev)
-- [@terror](https://github.com/terror)
-- [@pieterh-oai](https://github.com/pieterh-oai)
-- [@MichaReiser](https://github.com/MichaReiser)
-- [@TaKO8Ki](https://github.com/TaKO8Ki)
-- [@ageorgou](https://github.com/ageorgou)
-- [@danparizher](https://github.com/danparizher)
-- [@mgaitan](https://github.com/mgaitan)
-- [@augustelalande](https://github.com/augustelalande)
-- [@dylwil3](https://github.com/dylwil3)
-- [@Lee-W](https://github.com/Lee-W)
-- [@injust](https://github.com/injust)
-- [@CarrotManMatt](https://github.com/CarrotManMatt)
-
-## 0.14.0
-
-Released on 2025-10-07.
+Check out the [blog post](https://astral.sh/blog/ruff-v0.12.0) for a migration
+guide and overview of the changes!
 
 ### Breaking changes
 
-- Update default and latest Python versions for 3.14 ([#20725](https://github.com/astral-sh/ruff/pull/20725))
+- **Detection of more syntax errors**
+
+    Ruff now detects version-related syntax errors, such as the use of the `match`
+    statement on Python versions before 3.10, and syntax errors emitted by
+    CPython's compiler, such as irrefutable `match` patterns before the final
+    `case` arm.
+
+- **New default Python version handling for syntax errors**
+
+    Ruff will default to the _latest_ supported Python version (3.13) when
+    checking for the version-related syntax errors mentioned above to prevent
+    false positives in projects without a Python version configured. The default
+    in all other cases, like applying lint rules, is unchanged and remains at the
+    minimum supported Python version (3.9).
+
+- **Updated f-string formatting**
+
+    Ruff now formats multi-line f-strings with format specifiers to avoid adding a
+    line break after the format specifier. This addresses a change to the Python
+    grammar in version 3.13.4 that made such a line break a syntax error.
+
+- **`rust-toolchain.toml` is no longer included in source distributions**
+
+    The `rust-toolchain.toml` is used to specify a higher Rust version than Ruff's
+    minimum supported Rust version (MSRV) for development and building release
+    artifacts. However, when present in source distributions, it would also cause
+    downstream package maintainers to pull in the same Rust toolchain, even if
+    their available toolchain was MSRV-compatible.
+
+### Removed Rules
+
+The following rules have been removed:
+
+- [`suspicious-xmle-tree-usage`](https://docs.astral.sh/ruff/rules/suspicious-xmle-tree-usage/)
+    (`S320`)
+
+### Deprecated Rules
+
+The following rules have been deprecated:
+
+- [`pandas-df-variable-name`](https://docs.astral.sh/ruff/rules/pandas-df-variable-name/)
+
+### Stabilization
+
+The following rules have been stabilized and are no longer in preview:
+
+- [`for-loop-writes`](https://docs.astral.sh/ruff/rules/for-loop-writes) (`FURB122`)
+- [`check-and-remove-from-set`](https://docs.astral.sh/ruff/rules/check-and-remove-from-set) (`FURB132`)
+- [`verbose-decimal-constructor`](https://docs.astral.sh/ruff/rules/verbose-decimal-constructor) (`FURB157`)
+- [`fromisoformat-replace-z`](https://docs.astral.sh/ruff/rules/fromisoformat-replace-z) (`FURB162`)
+- [`int-on-sliced-str`](https://docs.astral.sh/ruff/rules/int-on-sliced-str) (`FURB166`)
+- [`exc-info-outside-except-handler`](https://docs.astral.sh/ruff/rules/exc-info-outside-except-handler) (`LOG014`)
+- [`import-outside-top-level`](https://docs.astral.sh/ruff/rules/import-outside-top-level) (`PLC0415`)
+- [`unnecessary-dict-index-lookup`](https://docs.astral.sh/ruff/rules/unnecessary-dict-index-lookup) (`PLR1733`)
+- [`nan-comparison`](https://docs.astral.sh/ruff/rules/nan-comparison) (`PLW0177`)
+- [`eq-without-hash`](https://docs.astral.sh/ruff/rules/eq-without-hash) (`PLW1641`)
+- [`pytest-parameter-with-default-argument`](https://docs.astral.sh/ruff/rules/pytest-parameter-with-default-argument) (`PT028`)
+- [`pytest-warns-too-broad`](https://docs.astral.sh/ruff/rules/pytest-warns-too-broad) (`PT030`)
+- [`pytest-warns-with-multiple-statements`](https://docs.astral.sh/ruff/rules/pytest-warns-with-multiple-statements) (`PT031`)
+- [`invalid-formatter-suppression-comment`](https://docs.astral.sh/ruff/rules/invalid-formatter-suppression-comment) (`RUF028`)
+- [`dataclass-enum`](https://docs.astral.sh/ruff/rules/dataclass-enum) (`RUF049`)
+- [`class-with-mixed-type-vars`](https://docs.astral.sh/ruff/rules/class-with-mixed-type-vars) (`RUF053`)
+- [`unnecessary-round`](https://docs.astral.sh/ruff/rules/unnecessary-round) (`RUF057`)
+- [`starmap-zip`](https://docs.astral.sh/ruff/rules/starmap-zip) (`RUF058`)
+- [`non-pep604-annotation-optional`](https://docs.astral.sh/ruff/rules/non-pep604-annotation-optional) (`UP045`)
+- [`non-pep695-generic-class`](https://docs.astral.sh/ruff/rules/non-pep695-generic-class) (`UP046`)
+- [`non-pep695-generic-function`](https://docs.astral.sh/ruff/rules/non-pep695-generic-function) (`UP047`)
+- [`private-type-parameter`](https://docs.astral.sh/ruff/rules/private-type-parameter) (`UP049`)
+
+The following behaviors have been stabilized:
+
+- [`collection-literal-concatenation`] (`RUF005`) now recognizes slices, in
+    addition to list literals and variables.
+- The fix for [`readlines-in-for`] (`FURB129`) is now marked as always safe.
+- [`if-else-block-instead-of-if-exp`] (`SIM108`) will now further simplify
+    expressions to use `or` instead of an `if` expression, where possible.
+- [`unused-noqa`] (`RUF100`) now checks for file-level `noqa` comments as well
+    as inline comments.
+- [`subprocess-without-shell-equals-true`] (`S603`) now accepts literal strings,
+    as well as lists and tuples of literal strings, as trusted input.
+- [`boolean-type-hint-positional-argument`] (`FBT001`) now applies to types that
+    include `bool`, like `bool | int` or `typing.Optional[bool]`, in addition to
+    plain `bool` annotations.
+- [`non-pep604-annotation-union`] (`UP007`) has now been split into two rules.
+    `UP007` now applies only to `typing.Union`, while
+    [`non-pep604-annotation-optional`] (`UP045`) checks for use of
+    `typing.Optional`. `UP045` has also been stabilized in this release, but you
+    may need to update existing `include`, `ignore`, or `noqa` settings to
+    accommodate this change.
 
 ### Preview features
 
-- \[`flake8-bugbear`\] Include certain guaranteed-mutable expressions: tuples, generators, and assignment expressions (`B006`) ([#20024](https://github.com/astral-sh/ruff/pull/20024))
-- \[`refurb`\] Add fixes for `FURB101` and `FURB103` ([#20520](https://github.com/astral-sh/ruff/pull/20520))
-- \[`ruff`\] Extend `FA102` with listed PEP 585-compatible APIs ([#20659](https://github.com/astral-sh/ruff/pull/20659))
+- \[`ruff`\] Check for non-context-manager use of `pytest.raises`, `pytest.warns`, and `pytest.deprecated_call` (`RUF061`) ([#17368](https://github.com/astral-sh/ruff/pull/17368))
+- [syntax-errors] Raise unsupported syntax error for template strings prior to Python 3.14 ([#18664](https://github.com/astral-sh/ruff/pull/18664))
 
 ### Bug fixes
 
-- \[`flake8-annotations`\] Fix return type annotations to handle shadowed builtin symbols (`ANN201`, `ANN202`, `ANN204`, `ANN205`, `ANN206`) ([#20612](https://github.com/astral-sh/ruff/pull/20612))
-- \[`flynt`\] Fix f-string quoting for mixed quote joiners (`FLY002`) ([#20662](https://github.com/astral-sh/ruff/pull/20662))
-- \[`isort`\] Fix inserting required imports before future imports (`I002`) ([#20676](https://github.com/astral-sh/ruff/pull/20676))
-- \[`ruff`\] Handle argfile expansion errors gracefully ([#20691](https://github.com/astral-sh/ruff/pull/20691))
-- \[`ruff`\] Skip `RUF051` if `else`/`elif` block is present ([#20705](https://github.com/astral-sh/ruff/pull/20705))
-- \[`ruff`\] Improve handling of intermixed comments inside from-imports ([#20561](https://github.com/astral-sh/ruff/pull/20561))
+- Add syntax error when conversion flag does not immediately follow exclamation mark ([#18706](https://github.com/astral-sh/ruff/pull/18706))
+- Add trailing space around `readlines` ([#18542](https://github.com/astral-sh/ruff/pull/18542))
+- Fix `\r` and `\r\n` handling in t- and f-string debug texts ([#18673](https://github.com/astral-sh/ruff/pull/18673))
+- Hug closing `}` when f-string expression has a format specifier ([#18704](https://github.com/astral-sh/ruff/pull/18704))
+- \[`flake8-pyi`\] Avoid syntax error in the case of starred and keyword arguments (`PYI059`) ([#18611](https://github.com/astral-sh/ruff/pull/18611))
+- \[`flake8-return`\] Fix `RET504` autofix generating a syntax error ([#18428](https://github.com/astral-sh/ruff/pull/18428))
+- \[`pep8-naming`\] Suppress fix for `N804` and `N805` if the recommended name is already used ([#18472](https://github.com/astral-sh/ruff/pull/18472))
+- \[`pycodestyle`\] Avoid causing a syntax error in expressions spanning multiple lines (`E731`) ([#18479](https://github.com/astral-sh/ruff/pull/18479))
+- \[`pyupgrade`\] Suppress `UP008` if `super` is shadowed ([#18688](https://github.com/astral-sh/ruff/pull/18688))
+- \[`refurb`\] Parenthesize lambda and ternary expressions (`FURB122`, `FURB142`) ([#18592](https://github.com/astral-sh/ruff/pull/18592))
+- \[`ruff`\] Handle extra arguments to `deque` (`RUF037`) ([#18614](https://github.com/astral-sh/ruff/pull/18614))
+- \[`ruff`\] Preserve parentheses around `deque` in fix for `unnecessary-empty-iterable-within-deque-call` (`RUF037`) ([#18598](https://github.com/astral-sh/ruff/pull/18598))
+- \[`ruff`\] Validate arguments before offering a fix (`RUF056`) ([#18631](https://github.com/astral-sh/ruff/pull/18631))
+- \[`ruff`\] Skip fix for `RUF059` if dummy name is already bound ([#18509](https://github.com/astral-sh/ruff/pull/18509))
+- \[`pylint`\] Fix `PLW0128` to check assignment targets in square brackets and after asterisks ([#18665](https://github.com/astral-sh/ruff/pull/18665))
+
+### Rule changes
+
+- Fix false positive on mutations in `return` statements (`B909`) ([#18408](https://github.com/astral-sh/ruff/pull/18408))
+- Treat `ty:` comments as pragma comments ([#18532](https://github.com/astral-sh/ruff/pull/18532))
+- \[`flake8-pyi`\] Apply `custom-typevar-for-self` to string annotations (`PYI019`) ([#18311](https://github.com/astral-sh/ruff/pull/18311))
+- \[`pyupgrade`\] Don't offer a fix for `Optional[None]` (`UP007`, `UP045)` ([#18545](https://github.com/astral-sh/ruff/pull/18545))
+- \[`pyupgrade`\] Fix `super(__class__, self)` detection (`UP008`) ([#18478](https://github.com/astral-sh/ruff/pull/18478))
+- \[`refurb`\] Make the fix for `FURB163` unsafe for `log2`, `log10`, `*args`, and deleted comments ([#18645](https://github.com/astral-sh/ruff/pull/18645))
+
+### Server
+
+- Support cancellation requests ([#18627](https://github.com/astral-sh/ruff/pull/18627))
 
 ### Documentation
 
-- \[`flake8-comprehensions`\] Clarify fix safety documentation (`C413`) ([#20640](https://github.com/astral-sh/ruff/pull/20640))
-
-### Contributors
-
-- [@danparizher](https://github.com/danparizher)
-- [@terror](https://github.com/terror)
-- [@TaKO8Ki](https://github.com/TaKO8Ki)
-- [@ntBre](https://github.com/ntBre)
-- [@njhearp](https://github.com/njhearp)
-- [@amyreese](https://github.com/amyreese)
-- [@IDrokin117](https://github.com/IDrokin117)
-- [@chirizxc](https://github.com/chirizxc)
-
-## 0.13.x
-
-See [changelogs/0.13.x](./changelogs/0.13.x.md)
-
-## 0.12.x
-
-See [changelogs/0.12.x](./changelogs/0.12.x.md)
+- Drop confusing second `*` from glob pattern example for `per-file-target-version` ([#18709](https://github.com/astral-sh/ruff/pull/18709))
+- Update Neovim configuration examples ([#18491](https://github.com/astral-sh/ruff/pull/18491))
+- \[`pylint`\] De-emphasize `__hash__ = Parent.__hash__` (`PLW1641`) ([#18613](https://github.com/astral-sh/ruff/pull/18613))
+- \[`refurb`\] Add a note about float literal handling (`FURB157`) ([#18615](https://github.com/astral-sh/ruff/pull/18615))
 
 ## 0.11.x
 
@@ -604,3 +183,12 @@ See [changelogs/0.2.x](./changelogs/0.2.x.md)
 ## 0.1.x
 
 See [changelogs/0.1.x](./changelogs/0.1.x.md)
+
+[`boolean-type-hint-positional-argument`]: https://docs.astral.sh/ruff/rules/boolean-type-hint-positional-argument
+[`collection-literal-concatenation`]: https://docs.astral.sh/ruff/rules/collection-literal-concatenation
+[`if-else-block-instead-of-if-exp`]: https://docs.astral.sh/ruff/rules/if-else-block-instead-of-if-exp
+[`non-pep604-annotation-optional`]: https://docs.astral.sh/ruff/rules/non-pep604-annotation-optional
+[`non-pep604-annotation-union`]: https://docs.astral.sh/ruff/rules/non-pep604-annotation-union
+[`readlines-in-for`]: https://docs.astral.sh/ruff/rules/readlines-in-for
+[`subprocess-without-shell-equals-true`]: https://docs.astral.sh/ruff/rules/subprocess-without-shell-equals-true
+[`unused-noqa`]: https://docs.astral.sh/ruff/rules/unused-noqa

CLAUDE.md

@@ -1,71 +0,0 @@
-# Ruff Repository
-
-This repository contains both Ruff (a Python linter and formatter) and ty (a Python type checker). The crates follow a naming convention: `ruff_*` for Ruff-specific code and `ty_*` for ty-specific code. ty reuses several Ruff crates, including the Python parser (`ruff_python_parser`) and AST definitions (`ruff_python_ast`).
-
-## Running Tests
-
-Run all tests (using `nextest` for faster execution):
-
-```sh
-cargo nextest run
-```
-
-For faster test execution, use the `fast-test` profile which enables optimizations while retaining debug info:
-
-```sh
-cargo nextest run --cargo-profile fast-test
-```
-
-Run tests for a specific crate:
-
-```sh
-cargo nextest run -p ty_python_semantic
-```
-
-Run a specific mdtest (use a substring of the test name):
-
-```sh
-MDTEST_TEST_FILTER="<filter>" cargo nextest run -p ty_python_semantic mdtest
-```
-
-Update snapshots after running tests:
-
-```sh
-cargo insta accept
-```
-
-## Running Clippy
-
-```sh
-cargo clippy --workspace --all-targets --all-features -- -D warnings
-```
-
-## Running Debug Builds
-
-Use debug builds (not `--release`) when developing, as release builds lack debug assertions and have slower compile times.
-
-Run Ruff:
-
-```sh
-cargo run --bin ruff -- check path/to/file.py
-```
-
-Run ty:
-
-```sh
-cargo run --bin ty -- check path/to/file.py
-```
-
-## Pull Requests
-
-When working on ty, PR titles should start with `[ty]` and be tagged with the `ty` GitHub label.
-
-## Development Guidelines
-
-- All changes must be tested. If you're not testing your changes, you're not done.
-- Get your tests to pass. If you didn't run the tests, your code does not work.
-- Follow existing code style. Check neighboring files for patterns.
-- Always run `uvx prek run -a` at the end of a task.
-- Avoid writing significant amounts of new code. This is often a sign that we're missing an existing method or mechanism that could help solve the problem. Look for existing utilities first.
-- Avoid falling back to patterns that require `panic!`, `unreachable!`, or `.unwrap()`. Instead, try to encode those constraints in the type system.
-- Prefer let chains (`if let` combined with `&&`) over nested `if let` statements to reduce indentation and improve readability.

CONTRIBUTING.md

@@ -7,38 +7,22 @@ Welcome! We're happy to have you here. Thank you in advance for your contributio
 > This guide is for Ruff. If you're looking to contribute to ty, please see [the ty contributing
 > guide](https://github.com/astral-sh/ruff/blob/main/crates/ty/CONTRIBUTING.md).
 
-## Finding ways to help
-
-We label issues that would be good for a first time contributor as
-[`good first issue`](https://github.com/astral-sh/ruff/issues?q=is%3Aopen+is%3Aissue+label%3A%22good+first+issue%22).
-These usually do not require significant experience with Rust or the Ruff code base.
-
-We label issues that we think are a good opportunity for subsequent contributions as
-[`help wanted`](https://github.com/astral-sh/ruff/issues?q=is%3Aopen+is%3Aissue+label%3A%22help+wanted%22).
-These require varying levels of experience with Rust and Ruff. Often, we want to accomplish these
-tasks but do not have the resources to do so ourselves.
-
-You don't need our permission to start on an issue we have labeled as appropriate for community
-contribution as described above. However, it's a good idea to indicate that you are going to work on
-an issue to avoid concurrent attempts to solve the same problem.
-
-Please check in with us before starting work on an issue that has not been labeled as appropriate
-for community contribution. We're happy to receive contributions for other issues, but it's
-important to make sure we have consensus on the solution to the problem first.
-
-Outside of issues with the labels above, issues labeled as
-[`bug`](https://github.com/astral-sh/ruff/issues?q=is%3Aopen+is%3Aissue+label%3A%22bug%22) are the
-best candidates for contribution. In contrast, issues labeled with `needs-decision` or
-`needs-design` are _not_ good candidates for contribution. Please do not open pull requests for
-issues with these labels.
-
-Please do not open pull requests for new features without prior discussion. While we appreciate
-exploration of new features, we will often close these pull requests immediately. Adding a
-new feature to ruff creates a long-term maintenance burden and requires strong consensus from the ruff
-team before it is appropriate to begin work on an implementation.
-
 ## The Basics
 
+Ruff welcomes contributions in the form of pull requests.
+
+For small changes (e.g., bug fixes), feel free to submit a PR.
+
+For larger changes (e.g., new lint rules, new functionality, new configuration options), consider
+creating an [**issue**](https://github.com/astral-sh/ruff/issues) outlining your proposed change.
+You can also join us on [Discord](https://discord.com/invite/astral-sh) to discuss your idea with the
+community. We've labeled [beginner-friendly tasks](https://github.com/astral-sh/ruff/issues?q=is%3Aissue+is%3Aopen+label%3A%22good+first+issue%22)
+in the issue tracker, along with [bugs](https://github.com/astral-sh/ruff/issues?q=is%3Aissue+is%3Aopen+label%3Abug)
+and [improvements](https://github.com/astral-sh/ruff/issues?q=is%3Aissue+is%3Aopen+label%3Aaccepted)
+that are ready for contributions.
+
+If you have suggestions on how we might improve the contributing documentation, [let us know](https://github.com/astral-sh/ruff/discussions/5693)!
+
 ### Prerequisites
 
 Ruff is written in Rust. You'll need to install the
@@ -53,12 +37,12 @@ cargo install cargo-insta
 You'll need [uv](https://docs.astral.sh/uv/getting-started/installation/) (or `pipx` and `pip`) to
 run Python utility commands.
 
-You can optionally install hooks to automatically run the validation checks
+You can optionally install pre-commit hooks to automatically run the validation checks
 when making a commit:
 
 ```shell
-uv tool install prek
-prek install
+uv tool install pre-commit
+pre-commit install
 ```
 
 We recommend [nextest](https://nexte.st/) to run Ruff's test suite (via `cargo nextest run`),
@@ -85,7 +69,7 @@ and that it passes both the lint and test validation checks:
 ```shell
 cargo clippy --workspace --all-targets --all-features -- -D warnings  # Rust linting
 RUFF_UPDATE_SCHEMA=1 cargo test  # Rust testing and updating ruff.schema.json
-uvx prek run -a  # Rust and Python formatting, Markdown and Python linting, etc.
+uvx pre-commit run --all-files --show-diff-on-failure  # Rust and Python formatting, Markdown and Python linting, etc.
 ```
 
 These checks will run on GitHub Actions when you open your pull request, but running them locally
@@ -280,55 +264,6 @@ Note that plugin-specific configuration options are defined in their own modules
 
 Finally, regenerate the documentation and generated code with `cargo dev generate-all`.
 
-### Opening a PR
-
-After you finish your changes, the next step is to open a PR. By default, two
-sections will be filled into the PR body: the summary and the test plan.
-
-#### The summary
-
-The summary is intended to give us as maintainers information about your PR.
-This should typically include a link to the relevant issue(s) you're addressing
-in your PR, as well as a summary of the issue and your approach to fixing it. If
-you have any questions about your approach or design, or if you considered
-alternative approaches, that can also be helpful to include.
-
-AI can be helpful in generating both the code and summary of your PR, but a
-successful contribution should still be carefully reviewed by you and the
-summary editorialized before submitting a PR. A great summary is thorough but
-also succinct and gives us the context we need to review your PR.
-
-You can find examples of excellent issues and PRs by searching for the
-[`great writeup`](https://github.com/astral-sh/ruff/issues?q=label%3A%22great%20writeup%22)
-label.
-
-#### The test plan
-
-The test plan is likely to be shorter than the summary and can be as simple as
-"Added new snapshot tests for `RUF123`," at least for rule bugs. For LSP or some
-types of CLI changes, in particular, it can also be helpful to include
-screenshots or recordings of your change in action.
-
-#### Ecosystem report
-
-After opening the PR, an ecosystem report will be run as part of CI. This shows
-a diff of linter and formatter behavior before and after the changes in your PR.
-Going through these changes and reporting your findings in the PR summary or an
-additional comment help us to review your PR more efficiently. It's also a great
-way to find new test cases to incorporate into your PR if you identify any
-issues.
-
-#### PR status
-
-To help us know when your PR is ready for review again, please either move your
-PR back to a draft while working on it (marking it ready for review afterwards
-will ping the previous reviewers) or explicitly re-request a review. This helps
-us to avoid re-reviewing a PR while you're still working on it and also to
-prioritize PRs that are definitely ready for review.
-
-You can also thumbs-up or mark as resolved any comments we leave to let us know
-you addressed them.
-
 ## MkDocs
 
 To preview any changes to the documentation locally:
@@ -344,7 +279,11 @@ To preview any changes to the documentation locally:
 1. Run the development server with:
 
     ```shell
-    uvx --with-requirements docs/requirements.txt -- mkdocs serve -f mkdocs.yml
+    # For contributors.
+    uvx --with-requirements docs/requirements.txt -- mkdocs serve -f mkdocs.public.yml
+
+    # For members of the Astral org, which has access to MkDocs Insiders via sponsorship.
+    uvx --with-requirements docs/requirements-insiders.txt -- mkdocs serve -f mkdocs.insiders.yml
     ```
 
 The documentation should then be available locally at
@@ -359,15 +298,9 @@ them to [PyPI](https://pypi.org/project/ruff/).
 Ruff follows the [semver](https://semver.org/) versioning standard. However, as pre-1.0 software,
 even patch releases may contain [non-backwards-compatible changes](https://semver.org/#spec-item-4).
 
-### Installing tools
-
-1. Install `uv`: `curl -LsSf https://astral.sh/uv/install.sh | sh`
-
-1. Install `npm`: `brew install npm` or similar
-
 ### Creating a new release
 
-Commit each step of this process separately for easier review.
+1. Install `uv`: `curl -LsSf https://astral.sh/uv/install.sh | sh`
 
 1. Run `./scripts/release.sh`; this command will:
 
@@ -381,7 +314,6 @@ Commit each step of this process separately for easier review.
 
     - Often labels will be missing from pull requests they will need to be manually organized into the proper section
     - Changes should be edited to be user-facing descriptions, avoiding internal details
-    - Square brackets (eg, `[ruff]` project name) will be automatically escaped by `prek`
 
     Additionally, for minor releases:
 
@@ -421,13 +353,13 @@ Commit each step of this process separately for easier review.
 
 1. Verify the GitHub release:
 
-    1. The changelog should match the content of `CHANGELOG.md`
+    1. The Changelog should match the content of `CHANGELOG.md`
+    1. Append the contributors from the `scripts/release.sh` script
 
 1. If needed, [update the schemastore](https://github.com/astral-sh/ruff/blob/main/scripts/update_schemastore.py).
 
     1. One can determine if an update is needed when
         `git diff old-version-tag new-version-tag -- ruff.schema.json` returns a non-empty diff.
-    1. Run `uv run --only-dev --no-sync scripts/update_schemastore.py --proto <https|ssh>`
     1. Once run successfully, you should follow the link in the output to create a PR.
 
 1. If needed, update the [`ruff-lsp`](https://github.com/astral-sh/ruff-lsp) and

Cargo.toml

@@ -5,7 +5,7 @@ resolver = "2"
 [workspace.package]
 # Please update rustfmt.toml when bumping the Rust edition
 edition = "2024"
-rust-version = "1.90"
+rust-version = "1.85"
 homepage = "https://docs.astral.sh/ruff"
 documentation = "https://docs.astral.sh/ruff"
 repository = "https://github.com/astral-sh/ruff"
@@ -23,13 +23,11 @@ ruff_graph = { path = "crates/ruff_graph" }
 ruff_index = { path = "crates/ruff_index" }
 ruff_linter = { path = "crates/ruff_linter" }
 ruff_macros = { path = "crates/ruff_macros" }
-ruff_memory_usage = { path = "crates/ruff_memory_usage" }
 ruff_notebook = { path = "crates/ruff_notebook" }
 ruff_options_metadata = { path = "crates/ruff_options_metadata" }
 ruff_python_ast = { path = "crates/ruff_python_ast" }
 ruff_python_codegen = { path = "crates/ruff_python_codegen" }
 ruff_python_formatter = { path = "crates/ruff_python_formatter" }
-ruff_python_importer = { path = "crates/ruff_python_importer" }
 ruff_python_index = { path = "crates/ruff_python_index" }
 ruff_python_literal = { path = "crates/ruff_python_literal" }
 ruff_python_parser = { path = "crates/ruff_python_parser" }
@@ -42,14 +40,10 @@ ruff_text_size = { path = "crates/ruff_text_size" }
 ruff_workspace = { path = "crates/ruff_workspace" }
 
 ty = { path = "crates/ty" }
-ty_combine = { path = "crates/ty_combine" }
-ty_completion_eval = { path = "crates/ty_completion_eval" }
 ty_ide = { path = "crates/ty_ide" }
-ty_module_resolver = { path = "crates/ty_module_resolver" }
 ty_project = { path = "crates/ty_project", default-features = false }
 ty_python_semantic = { path = "crates/ty_python_semantic" }
 ty_server = { path = "crates/ty_server" }
-ty_static = { path = "crates/ty_static" }
 ty_test = { path = "crates/ty_test" }
 ty_vendored = { path = "crates/ty_vendored" }
 
@@ -58,58 +52,48 @@ anstream = { version = "0.6.18" }
 anstyle = { version = "1.0.10" }
 anyhow = { version = "1.0.80" }
 arc-swap = { version = "1.7.1" }
-argfile = { version = "0.2.0" }
 assert_fs = { version = "1.1.0" }
+argfile = { version = "0.2.0" }
 bincode = { version = "2.0.0" }
 bitflags = { version = "2.5.0" }
-bitvec = { version = "1.0.1", default-features = false, features = [
-    "alloc",
-] }
 bstr = { version = "1.9.1" }
 cachedir = { version = "0.3.1" }
 camino = { version = "1.1.7" }
 clap = { version = "4.5.3", features = ["derive"] }
 clap_complete_command = { version = "0.6.0" }
 clearscreen = { version = "4.0.0" }
-codspeed-criterion-compat = { version = "4.0.4", default-features = false }
+divan = { package = "codspeed-divan-compat", version = "2.10.1" }
+codspeed-criterion-compat = { version = "2.6.0", default-features = false }
 colored = { version = "3.0.0" }
-compact_str = "0.9.0"
 console_error_panic_hook = { version = "0.1.7" }
 console_log = { version = "1.0.0" }
 countme = { version = "3.0.1" }
-criterion = { version = "0.8.0", default-features = false }
+compact_str = "0.9.0"
+criterion = { version = "0.6.0", default-features = false }
 crossbeam = { version = "0.8.4" }
-csv = { version = "1.3.1" }
 dashmap = { version = "6.0.1" }
-datatest-stable = { version = "0.3.3" }
-divan = { package = "codspeed-divan-compat", version = "4.0.4" }
-drop_bomb = { version = "0.1.5" }
+dir-test = { version = "0.4.0" }
 dunce = { version = "1.0.5" }
-etcetera = { version = "0.11.0" }
+drop_bomb = { version = "0.1.5" }
+env_logger = { version = "0.11.0" }
+etcetera = { version = "0.10.0" }
 fern = { version = "0.7.0" }
 filetime = { version = "0.2.23" }
-get-size2 = { version = "0.7.3", features = [
-    "derive",
-    "smallvec",
-    "hashbrown",
-    "compact-str",
-    "ordermap"
-] }
 getrandom = { version = "0.3.1" }
 glob = { version = "0.3.1" }
 globset = { version = "0.4.14" }
 globwalk = { version = "0.9.1" }
-hashbrown = { version = "0.16.0", default-features = false, features = [
+hashbrown = { version = "0.15.0", default-features = false, features = [
     "raw-entry",
     "equivalent",
     "inline-more",
 ] }
 heck = "0.5.0"
-ignore = { version = "0.4.24" }
+ignore = { version = "0.4.22" }
 imara-diff = { version = "0.1.5" }
 imperative = { version = "1.0.4" }
 indexmap = { version = "2.6.0" }
-indicatif = { version = "0.18.0" }
+indicatif = { version = "0.17.8" }
 indoc = { version = "2.0.4" }
 insta = { version = "1.35.1" }
 insta-cmd = { version = "0.6.0" }
@@ -117,21 +101,21 @@ is-macro = { version = "0.3.5" }
 is-wsl = { version = "0.4.0" }
 itertools = { version = "0.14.0" }
 jiff = { version = "0.2.0" }
-jod-thread = { version = "1.0.0" }
 js-sys = { version = "0.3.69" }
+jod-thread = { version = "1.0.0" }
 libc = { version = "0.2.153" }
-libcst = { version = "1.8.4", default-features = false }
+libcst = { version = "1.1.0", default-features = false }
 log = { version = "0.4.17" }
 lsp-server = { version = "0.7.6" }
 lsp-types = { git = "https://github.com/astral-sh/lsp-types.git", rev = "3512a9f", features = [
     "proposed",
 ] }
-matchit = { version = "0.9.0" }
+matchit = { version = "0.8.1" }
 memchr = { version = "2.7.1" }
 mimalloc = { version = "0.1.39" }
 natord = { version = "1.0.9" }
 notify = { version = "8.0.0" }
-ordermap = { version = "1.0.0" }
+ordermap = { version = "0.5.0" }
 path-absolutize = { version = "3.1.1" }
 path-slash = { version = "0.2.1" }
 pathdiff = { version = "0.2.1" }
@@ -140,8 +124,6 @@ pretty_assertions = "1.3.0"
 proc-macro2 = { version = "1.0.79" }
 pyproject-toml = { version = "0.13.4" }
 quick-junit = { version = "0.5.0" }
-quickcheck = { version = "1.0.3", default-features = false }
-quickcheck_macros = { version = "1.0.0" }
 quote = { version = "1.0.23" }
 rand = { version = "0.9.0" }
 rayon = { version = "1.10.0" }
@@ -150,13 +132,8 @@ regex-automata = { version = "0.4.9" }
 rustc-hash = { version = "2.0.0" }
 rustc-stable-hash = { version = "0.1.2" }
 # When updating salsa, make sure to also update the revision in `fuzz/Cargo.toml`
-salsa = { git = "https://github.com/salsa-rs/salsa.git", rev = "9860ff6ca0f1f8f3a8d6b832020002790b501254", default-features = false, features = [
-    "compact_str",
-    "macros",
-    "salsa_unstable",
-    "inventory",
-] }
-schemars = { version = "1.0.4" }
+salsa = { git = "https://github.com/salsa-rs/salsa.git", rev = "09627e450566f894956710a3fd923dc80462ae6d" }
+schemars = { version = "0.8.16" }
 seahash = { version = "4.1.0" }
 serde = { version = "1.0.197", features = ["derive"] }
 serde-wasm-bindgen = { version = "0.6.4" }
@@ -167,7 +144,7 @@ serde_with = { version = "3.6.0", default-features = false, features = [
 ] }
 shellexpand = { version = "3.0.0" }
 similar = { version = "2.4.0", features = ["inline"] }
-smallvec = { version = "1.13.2", features = ["union", "const_generics", "const_new"] }
+smallvec = { version = "1.13.2" }
 snapbox = { version = "0.6.0", features = [
     "diff",
     "term-svg",
@@ -177,32 +154,35 @@ snapbox = { version = "0.6.0", features = [
 static_assertions = "1.1.0"
 strum = { version = "0.27.0", features = ["strum_macros"] }
 strum_macros = { version = "0.27.0" }
-supports-hyperlinks = { version = "3.1.0" }
 syn = { version = "2.0.55" }
 tempfile = { version = "3.9.0" }
 test-case = { version = "3.3.1" }
 thiserror = { version = "2.0.0" }
 tikv-jemallocator = { version = "0.6.0" }
-toml = { version = "0.9.0" }
+toml = { version = "0.8.11" }
 tracing = { version = "0.1.40" }
 tracing-flame = { version = "0.2.0" }
-tracing-indicatif = { version = "0.3.11" }
+tracing-indicatif = { version = "0.3.6" }
 tracing-log = { version = "0.2.0" }
 tracing-subscriber = { version = "0.3.18", default-features = false, features = [
     "env-filter",
     "fmt",
     "ansi",
-    "smallvec",
+    "smallvec"
 ] }
 tryfn = { version = "0.2.1" }
 typed-arena = { version = "2.0.2" }
 unic-ucd-category = { version = "0.9" }
 unicode-ident = { version = "1.0.12" }
-unicode-normalization = { version = "0.1.23" }
 unicode-width = { version = "0.2.0" }
 unicode_names2 = { version = "1.2.2" }
+unicode-normalization = { version = "0.1.23" }
 url = { version = "2.5.0" }
-uuid = { version = "1.6.1", features = ["v4", "fast-rng", "macro-diagnostics"] }
+uuid = { version = "1.6.1", features = [
+    "v4",
+    "fast-rng",
+    "macro-diagnostics",
+] }
 walkdir = { version = "2.3.2" }
 wasm-bindgen = { version = "0.2.92" }
 wasm-bindgen-test = { version = "0.3.42" }
@@ -210,13 +190,8 @@ wild = { version = "2" }
 zip = { version = "0.6.6", default-features = false }
 
 [workspace.metadata.cargo-shear]
-ignored = [
-    "getrandom",
-    "ruff_options_metadata",
-    "uuid",
-    "get-size2",
-    "ty_completion_eval",
-]
+ignored = ["getrandom", "ruff_options_metadata", "uuid"]
+
 
 [workspace.lints.rust]
 unsafe_code = "warn"
@@ -228,8 +203,6 @@ unexpected_cfgs = { level = "warn", check-cfg = [
 
 [workspace.lints.clippy]
 pedantic = { level = "warn", priority = -2 }
-# Enabled at the crate level
-disallowed_methods = "allow"
 # Allowed pedantic lints
 char_lit_as_u8 = "allow"
 collapsible_else_if = "allow"
@@ -244,12 +217,11 @@ must_use_candidate = "allow"
 similar_names = "allow"
 single_match_else = "allow"
 too_many_lines = "allow"
-needless_continue = "allow" # An explicit continue can be more readable, especially if the alternative is an empty block.
-unnecessary_debug_formatting = "allow" # too many instances, the display also doesn't quote the path which is often desired in logs where we use them the most often.
+needless_continue = "allow"       # An explicit continue can be more readable, especially if the alternative is an empty block.
+unnecessary_debug_formatting = "allow"  # too many instances, the display also doesn't quote the path which is often desired in logs where we use them the most often.
 # Without the hashes we run into a `rustfmt` bug in some snapshot tests, see #13250
 needless_raw_string_hashes = "allow"
 # Disallowed restriction lints
-ignore_without_reason = "allow" # Too many exsisting instances, and there's no auto fix.
 print_stdout = "warn"
 print_stderr = "warn"
 dbg_macro = "warn"
@@ -264,20 +236,17 @@ rest_pat_in_fully_bound_structs = "warn"
 redundant_clone = "warn"
 debug_assert_with_mut_call = "warn"
 unused_peekable = "warn"
-# This lint sometimes flags code whose `if` and `else`
-# bodies could be flipped when a `!` operator is removed.
-# While perhaps sometimes a good idea, it is also often
-# not a good idea due to other factors impacting
-# readability. For example, if flipping the bodies results
-# in the `if` being an order of magnitude bigger than the
-# `else`, then some might consider that harder to read.
-if_not_else = "allow"
 
 # Diagnostics are not actionable: Enable once https://github.com/rust-lang/rust-clippy/issues/13774 is resolved.
 large_stack_arrays = "allow"
 
 [profile.release]
-lto = "fat"
+# Note that we set these explicitly, and these values
+# were chosen based on a trade-off between compile times
+# and runtime performance[1].
+#
+# [1]: https://github.com/astral-sh/ruff/pull/9031
+lto = "thin"
 codegen-units = 16
 
 # Some crates don't change as much but benefit more from
@@ -287,14 +256,6 @@ codegen-units = 16
 codegen-units = 1
 [profile.release.package.ruff_python_ast]
 codegen-units = 1
-[profile.release.package.salsa]
-codegen-units = 1
-
-# Profile to build a minimally sized binary for ruff/ty
-[profile.minimal-size]
-inherits = "release"
-opt-level = "z"
-codegen-units = 1
 
 [profile.dev.package.insta]
 opt-level = 3
@@ -310,35 +271,11 @@ opt-level = 3
 [profile.dev.package.ruff_python_parser]
 opt-level = 1
 
-# This profile is meant to mimic the `release` profile as closely as
-# possible, but using settings that are more beneficial for iterative
-# development. That is, the `release` profile is intended for actually
-# building the release, where as `profiling` is meant for building ty/ruff
-# for running benchmarks.
-#
-# The main differences here are to avoid stripping debug information
-# and disabling fat lto. This does result in a mismatch between our release
-# configuration and our benchmarking configuration, which is unfortunate.
-# But compile times with `lto = fat` are completely untenable.
-#
-# This setup does risk that we are measuring something in benchmarks
-# that we aren't shipping, but in order to make those two the same, we'd
-# either need to make compile times way worse for development, or take
-# a hit to binary size and a slight hit to runtime performance in our
-# release builds.
-#
 # Use the `--profile profiling` flag to show symbols in release mode.
 # e.g. `cargo build --profile profiling`
 [profile.profiling]
 inherits = "release"
-strip = false
-debug = "full"
-lto = false
-
-# Profile for faster iteration: applies minimal optimizations for faster tests.
-[profile.fast-test]
-inherits = "dev"
-opt-level = 1
+debug = 1
 
 # The profile that 'cargo dist' will build with.
 [profile.dist]

README.md

@@ -28,7 +28,7 @@ An extremely fast Python linter and code formatter, written in Rust.
 - ⚡️ 10-100x faster than existing linters (like Flake8) and formatters (like Black)
 - 🐍 Installable via `pip`
 - 🛠️ `pyproject.toml` support
-- 🤝 Python 3.14 compatibility
+- 🤝 Python 3.13 compatibility
 - ⚖️ Drop-in parity with [Flake8](https://docs.astral.sh/ruff/faq/#how-does-ruffs-linter-compare-to-flake8), isort, and [Black](https://docs.astral.sh/ruff/faq/#how-does-ruffs-formatter-compare-to-black)
 - 📦 Built-in caching, to avoid re-analyzing unchanged files
 - 🔧 Fix support, for automatic error correction (e.g., automatically remove unused imports)
@@ -57,11 +57,8 @@ Ruff is extremely actively developed and used in major open-source projects like
 
 ...and [many more](#whos-using-ruff).
 
-Ruff is backed by [Astral](https://astral.sh), the creators of
-[uv](https://github.com/astral-sh/uv) and [ty](https://github.com/astral-sh/ty).
-
-Read the [launch post](https://astral.sh/blog/announcing-astral-the-company-behind-ruff), or the
-original [project announcement](https://notes.crmarsh.com/python-tooling-could-be-much-much-faster).
+Ruff is backed by [Astral](https://astral.sh). Read the [launch post](https://astral.sh/blog/announcing-astral-the-company-behind-ruff),
+or the original [project announcement](https://notes.crmarsh.com/python-tooling-could-be-much-much-faster).
 
 ## Testimonials
 
@@ -92,7 +89,8 @@ creator of [isort](https://github.com/PyCQA/isort):
 > Just switched my first project to Ruff. Only one downside so far: it's so fast I couldn't believe
 > it was working till I intentionally introduced some errors.
 
-[**Tim Abbott**](https://github.com/zulip/zulip/pull/23431#issuecomment-1302557034), lead developer of [Zulip](https://github.com/zulip/zulip) (also [here](https://github.com/astral-sh/ruff/issues/465#issuecomment-1317400028)):
+[**Tim Abbott**](https://github.com/astral-sh/ruff/issues/465#issuecomment-1317400028), lead
+developer of [Zulip](https://github.com/zulip/zulip):
 
 > This is just ridiculously fast... `ruff` is amazing.
 
@@ -150,8 +148,8 @@ curl -LsSf https://astral.sh/ruff/install.sh | sh
 powershell -c "irm https://astral.sh/ruff/install.ps1 | iex"
 
 # For a specific version.
-curl -LsSf https://astral.sh/ruff/0.14.11/install.sh | sh
-powershell -c "irm https://astral.sh/ruff/0.14.11/install.ps1 | iex"
+curl -LsSf https://astral.sh/ruff/0.12.0/install.sh | sh
+powershell -c "irm https://astral.sh/ruff/0.12.0/install.ps1 | iex"
 ```
 
 You can also install Ruff via [Homebrew](https://formulae.brew.sh/formula/ruff), [Conda](https://anaconda.org/conda-forge/ruff),
@@ -184,7 +182,7 @@ Ruff can also be used as a [pre-commit](https://pre-commit.com/) hook via [`ruff
 ```yaml
 - repo: https://github.com/astral-sh/ruff-pre-commit
   # Ruff version.
-  rev: v0.14.11
+  rev: v0.12.0
   hooks:
     # Run the linter.
     - id: ruff-check
@@ -423,16 +421,14 @@ Ruff is released under the MIT license.
 
 Ruff is used by a number of major open-source projects and companies, including:
 
-- [Albumentations](https://github.com/albumentations-team/AlbumentationsX)
+- [Albumentations](https://github.com/albumentations-team/albumentations)
 - Amazon ([AWS SAM](https://github.com/aws/serverless-application-model))
-- [Anki](https://apps.ankiweb.net/)
 - Anthropic ([Python SDK](https://github.com/anthropics/anthropic-sdk-python))
 - [Apache Airflow](https://github.com/apache/airflow)
 - AstraZeneca ([Magnus](https://github.com/AstraZeneca/magnus-core))
 - [Babel](https://github.com/python-babel/babel)
 - Benchling ([Refac](https://github.com/benchling/refac))
 - [Bokeh](https://github.com/bokeh/bokeh)
-- Capital One ([datacompy](https://github.com/capitalone/datacompy))
 - CrowdCent ([NumerBlox](https://github.com/crowdcent/numerblox)) <!-- typos: ignore -->
 - [Cryptography (PyCA)](https://github.com/pyca/cryptography)
 - CERN ([Indico](https://getindico.io/))
@@ -494,7 +490,6 @@ Ruff is used by a number of major open-source projects and companies, including:
 - [PyTorch](https://github.com/pytorch/pytorch)
 - [Pydantic](https://github.com/pydantic/pydantic)
 - [Pylint](https://github.com/PyCQA/pylint)
-- [PyScripter](https://github.com/pyscripter/pyscripter)
 - [PyVista](https://github.com/pyvista/pyvista)
 - [Reflex](https://github.com/reflex-dev/reflex)
 - [River](https://github.com/online-ml/river)
@@ -510,7 +505,6 @@ Ruff is used by a number of major open-source projects and companies, including:
 - [Streamlit](https://github.com/streamlit/streamlit)
 - [The Algorithms](https://github.com/TheAlgorithms/Python)
 - [Vega-Altair](https://github.com/altair-viz/altair)
-- [Weblate](https://weblate.org/)
 - WordPress ([Openverse](https://github.com/WordPress/openverse))
 - [ZenML](https://github.com/zenml-io/zenml)
 - [Zulip](https://github.com/zulip/zulip)

_typos.toml

@@ -4,7 +4,6 @@ extend-exclude = [
     "crates/ty_vendored/vendor/**/*",
     "**/resources/**/*",
     "**/snapshots/**/*",
-    "crates/ruff_linter/src/rules/flake8_implicit_str_concat/rules/collection_literal.rs",
     # Completion tests tend to have a lot of incomplete
     # words naturally. It's annoying to have to make all
     # of them actually words. So just ignore typos here.
@@ -32,7 +31,6 @@ extend-ignore-re = [
     "typ",
     # TODO: Remove this once the `TYP` redirects are removed from `rule_redirects.rs`
     "TYP",
-    "ntBre"
 ]
 
 [default.extend-identifiers]

changelogs/0.12.x.md

@@ -1,551 +0,0 @@
-# Changelog 0.12.x
-
-## 0.12.0
-
-Check out the [blog post](https://astral.sh/blog/ruff-v0.12.0) for a migration
-guide and overview of the changes!
-
-### Breaking changes
-
-- **Detection of more syntax errors**
-
-    Ruff now detects version-related syntax errors, such as the use of the `match`
-    statement on Python versions before 3.10, and syntax errors emitted by
-    CPython's compiler, such as irrefutable `match` patterns before the final
-    `case` arm.
-
-- **New default Python version handling for syntax errors**
-
-    Ruff will default to the *latest* supported Python version (3.13) when
-    checking for the version-related syntax errors mentioned above to prevent
-    false positives in projects without a Python version configured. The default
-    in all other cases, like applying lint rules, is unchanged and remains at the
-    minimum supported Python version (3.9).
-
-- **Updated f-string formatting**
-
-    Ruff now formats multi-line f-strings with format specifiers to avoid adding a
-    line break after the format specifier. This addresses a change to the Python
-    grammar in version 3.13.4 that made such a line break a syntax error.
-
-- **`rust-toolchain.toml` is no longer included in source distributions**
-
-    The `rust-toolchain.toml` is used to specify a higher Rust version than Ruff's
-    minimum supported Rust version (MSRV) for development and building release
-    artifacts. However, when present in source distributions, it would also cause
-    downstream package maintainers to pull in the same Rust toolchain, even if
-    their available toolchain was MSRV-compatible.
-
-### Removed Rules
-
-The following rules have been removed:
-
-- [`suspicious-xmle-tree-usage`](https://docs.astral.sh/ruff/rules/suspicious-xmle-tree-usage/)
-    (`S320`)
-
-### Deprecated Rules
-
-The following rules have been deprecated:
-
-- [`pandas-df-variable-name`](https://docs.astral.sh/ruff/rules/pandas-df-variable-name/)
-
-### Stabilization
-
-The following rules have been stabilized and are no longer in preview:
-
-- [`for-loop-writes`](https://docs.astral.sh/ruff/rules/for-loop-writes) (`FURB122`)
-- [`check-and-remove-from-set`](https://docs.astral.sh/ruff/rules/check-and-remove-from-set) (`FURB132`)
-- [`verbose-decimal-constructor`](https://docs.astral.sh/ruff/rules/verbose-decimal-constructor) (`FURB157`)
-- [`fromisoformat-replace-z`](https://docs.astral.sh/ruff/rules/fromisoformat-replace-z) (`FURB162`)
-- [`int-on-sliced-str`](https://docs.astral.sh/ruff/rules/int-on-sliced-str) (`FURB166`)
-- [`exc-info-outside-except-handler`](https://docs.astral.sh/ruff/rules/exc-info-outside-except-handler) (`LOG014`)
-- [`import-outside-top-level`](https://docs.astral.sh/ruff/rules/import-outside-top-level) (`PLC0415`)
-- [`unnecessary-dict-index-lookup`](https://docs.astral.sh/ruff/rules/unnecessary-dict-index-lookup) (`PLR1733`)
-- [`nan-comparison`](https://docs.astral.sh/ruff/rules/nan-comparison) (`PLW0177`)
-- [`eq-without-hash`](https://docs.astral.sh/ruff/rules/eq-without-hash) (`PLW1641`)
-- [`pytest-parameter-with-default-argument`](https://docs.astral.sh/ruff/rules/pytest-parameter-with-default-argument) (`PT028`)
-- [`pytest-warns-too-broad`](https://docs.astral.sh/ruff/rules/pytest-warns-too-broad) (`PT030`)
-- [`pytest-warns-with-multiple-statements`](https://docs.astral.sh/ruff/rules/pytest-warns-with-multiple-statements) (`PT031`)
-- [`invalid-formatter-suppression-comment`](https://docs.astral.sh/ruff/rules/invalid-formatter-suppression-comment) (`RUF028`)
-- [`dataclass-enum`](https://docs.astral.sh/ruff/rules/dataclass-enum) (`RUF049`)
-- [`class-with-mixed-type-vars`](https://docs.astral.sh/ruff/rules/class-with-mixed-type-vars) (`RUF053`)
-- [`unnecessary-round`](https://docs.astral.sh/ruff/rules/unnecessary-round) (`RUF057`)
-- [`starmap-zip`](https://docs.astral.sh/ruff/rules/starmap-zip) (`RUF058`)
-- [`non-pep604-annotation-optional`] (`UP045`)
-- [`non-pep695-generic-class`](https://docs.astral.sh/ruff/rules/non-pep695-generic-class) (`UP046`)
-- [`non-pep695-generic-function`](https://docs.astral.sh/ruff/rules/non-pep695-generic-function) (`UP047`)
-- [`private-type-parameter`](https://docs.astral.sh/ruff/rules/private-type-parameter) (`UP049`)
-
-The following behaviors have been stabilized:
-
-- [`collection-literal-concatenation`] (`RUF005`) now recognizes slices, in
-    addition to list literals and variables.
-- The fix for [`readlines-in-for`] (`FURB129`) is now marked as always safe.
-- [`if-else-block-instead-of-if-exp`] (`SIM108`) will now further simplify
-    expressions to use `or` instead of an `if` expression, where possible.
-- [`unused-noqa`] (`RUF100`) now checks for file-level `noqa` comments as well
-    as inline comments.
-- [`subprocess-without-shell-equals-true`] (`S603`) now accepts literal strings,
-    as well as lists and tuples of literal strings, as trusted input.
-- [`boolean-type-hint-positional-argument`] (`FBT001`) now applies to types that
-    include `bool`, like `bool | int` or `typing.Optional[bool]`, in addition to
-    plain `bool` annotations.
-- [`non-pep604-annotation-union`] (`UP007`) has now been split into two rules.
-    `UP007` now applies only to `typing.Union`, while
-    [`non-pep604-annotation-optional`] (`UP045`) checks for use of
-    `typing.Optional`. `UP045` has also been stabilized in this release, but you
-    may need to update existing `include`, `ignore`, or `noqa` settings to
-    accommodate this change.
-
-### Preview features
-
-- \[`ruff`\] Check for non-context-manager use of `pytest.raises`, `pytest.warns`, and `pytest.deprecated_call` (`RUF061`) ([#17368](https://github.com/astral-sh/ruff/pull/17368))
-- [syntax-errors] Raise unsupported syntax error for template strings prior to Python 3.14 ([#18664](https://github.com/astral-sh/ruff/pull/18664))
-
-### Bug fixes
-
-- Add syntax error when conversion flag does not immediately follow exclamation mark ([#18706](https://github.com/astral-sh/ruff/pull/18706))
-- Add trailing space around `readlines` ([#18542](https://github.com/astral-sh/ruff/pull/18542))
-- Fix `\r` and `\r\n` handling in t- and f-string debug texts ([#18673](https://github.com/astral-sh/ruff/pull/18673))
-- Hug closing `}` when f-string expression has a format specifier ([#18704](https://github.com/astral-sh/ruff/pull/18704))
-- \[`flake8-pyi`\] Avoid syntax error in the case of starred and keyword arguments (`PYI059`) ([#18611](https://github.com/astral-sh/ruff/pull/18611))
-- \[`flake8-return`\] Fix `RET504` autofix generating a syntax error ([#18428](https://github.com/astral-sh/ruff/pull/18428))
-- \[`pep8-naming`\] Suppress fix for `N804` and `N805` if the recommended name is already used ([#18472](https://github.com/astral-sh/ruff/pull/18472))
-- \[`pycodestyle`\] Avoid causing a syntax error in expressions spanning multiple lines (`E731`) ([#18479](https://github.com/astral-sh/ruff/pull/18479))
-- \[`pyupgrade`\] Suppress `UP008` if `super` is shadowed ([#18688](https://github.com/astral-sh/ruff/pull/18688))
-- \[`refurb`\] Parenthesize lambda and ternary expressions (`FURB122`, `FURB142`) ([#18592](https://github.com/astral-sh/ruff/pull/18592))
-- \[`ruff`\] Handle extra arguments to `deque` (`RUF037`) ([#18614](https://github.com/astral-sh/ruff/pull/18614))
-- \[`ruff`\] Preserve parentheses around `deque` in fix for `unnecessary-empty-iterable-within-deque-call` (`RUF037`) ([#18598](https://github.com/astral-sh/ruff/pull/18598))
-- \[`ruff`\] Validate arguments before offering a fix (`RUF056`) ([#18631](https://github.com/astral-sh/ruff/pull/18631))
-- \[`ruff`\] Skip fix for `RUF059` if dummy name is already bound ([#18509](https://github.com/astral-sh/ruff/pull/18509))
-- \[`pylint`\] Fix `PLW0128` to check assignment targets in square brackets and after asterisks ([#18665](https://github.com/astral-sh/ruff/pull/18665))
-
-### Rule changes
-
-- Fix false positive on mutations in `return` statements (`B909`) ([#18408](https://github.com/astral-sh/ruff/pull/18408))
-- Treat `ty:` comments as pragma comments ([#18532](https://github.com/astral-sh/ruff/pull/18532))
-- \[`flake8-pyi`\] Apply `custom-typevar-for-self` to string annotations (`PYI019`) ([#18311](https://github.com/astral-sh/ruff/pull/18311))
-- \[`pyupgrade`\] Don't offer a fix for `Optional[None]` (`UP007`, `UP045)` ([#18545](https://github.com/astral-sh/ruff/pull/18545))
-- \[`pyupgrade`\] Fix `super(__class__, self)` detection (`UP008`) ([#18478](https://github.com/astral-sh/ruff/pull/18478))
-- \[`refurb`\] Make the fix for `FURB163` unsafe for `log2`, `log10`, `*args`, and deleted comments ([#18645](https://github.com/astral-sh/ruff/pull/18645))
-
-### Server
-
-- Support cancellation requests ([#18627](https://github.com/astral-sh/ruff/pull/18627))
-
-### Documentation
-
-- Drop confusing second `*` from glob pattern example for `per-file-target-version` ([#18709](https://github.com/astral-sh/ruff/pull/18709))
-- Update Neovim configuration examples ([#18491](https://github.com/astral-sh/ruff/pull/18491))
-- \[`pylint`\] De-emphasize `__hash__ = Parent.__hash__` (`PLW1641`) ([#18613](https://github.com/astral-sh/ruff/pull/18613))
-- \[`refurb`\] Add a note about float literal handling (`FURB157`) ([#18615](https://github.com/astral-sh/ruff/pull/18615))
-
-## 0.12.1
-
-### Preview features
-
-- \[`flake8-errmsg`\] Extend `EM101` to support byte strings ([#18867](https://github.com/astral-sh/ruff/pull/18867))
-- \[`flake8-use-pathlib`\] Add autofix for `PTH202` ([#18763](https://github.com/astral-sh/ruff/pull/18763))
-- \[`pygrep-hooks`\] Add `AsyncMock` methods to `invalid-mock-access` (`PGH005`) ([#18547](https://github.com/astral-sh/ruff/pull/18547))
-- \[`pylint`\] Ignore `__init__.py` files in (`PLC0414`) ([#18400](https://github.com/astral-sh/ruff/pull/18400))
-- \[`ruff`\] Trigger `RUF037` for empty string and byte strings ([#18862](https://github.com/astral-sh/ruff/pull/18862))
-- [formatter] Fix missing blank lines before decorated classes in `.pyi` files ([#18888](https://github.com/astral-sh/ruff/pull/18888))
-
-### Bug fixes
-
-- Avoid generating diagnostics with per-file ignores ([#18801](https://github.com/astral-sh/ruff/pull/18801))
-- Handle parenthesized arguments in `remove_argument` ([#18805](https://github.com/astral-sh/ruff/pull/18805))
-- \[`flake8-logging`\] Avoid false positive for `exc_info=True` outside `logger.exception` (`LOG014`) ([#18737](https://github.com/astral-sh/ruff/pull/18737))
-- \[`flake8-pytest-style`\] Enforce `pytest` import for decorators ([#18779](https://github.com/astral-sh/ruff/pull/18779))
-- \[`flake8-pytest-style`\] Mark autofix for `PT001` and `PT023` as unsafe if there's comments in the decorator ([#18792](https://github.com/astral-sh/ruff/pull/18792))
-- \[`flake8-pytest-style`\] `PT001`/`PT023` fix makes syntax error on parenthesized decorator ([#18782](https://github.com/astral-sh/ruff/pull/18782))
-- \[`flake8-raise`\] Make fix unsafe if it deletes comments (`RSE102`) ([#18788](https://github.com/astral-sh/ruff/pull/18788))
-- \[`flake8-simplify`\] Fix `SIM911` autofix creating a syntax error ([#18793](https://github.com/astral-sh/ruff/pull/18793))
-- \[`flake8-simplify`\] Fix false negatives for shadowed bindings (`SIM910`, `SIM911`) ([#18794](https://github.com/astral-sh/ruff/pull/18794))
-- \[`flake8-simplify`\] Preserve original behavior for `except ()` and bare `except` (`SIM105`) ([#18213](https://github.com/astral-sh/ruff/pull/18213))
-- \[`flake8-pyi`\] Fix `PYI041`'s fix causing `TypeError` with `None | None | ...` ([#18637](https://github.com/astral-sh/ruff/pull/18637))
-- \[`perflint`\] Fix `PERF101` autofix creating a syntax error and mark autofix as unsafe if there are comments in the `list` call expr ([#18803](https://github.com/astral-sh/ruff/pull/18803))
-- \[`perflint`\] Fix false negative in `PERF401` ([#18866](https://github.com/astral-sh/ruff/pull/18866))
-- \[`pylint`\] Avoid flattening nested `min`/`max` when outer call has single argument (`PLW3301`) ([#16885](https://github.com/astral-sh/ruff/pull/16885))
-- \[`pylint`\] Fix `PLC2801` autofix creating a syntax error ([#18857](https://github.com/astral-sh/ruff/pull/18857))
-- \[`pylint`\] Mark `PLE0241` autofix as unsafe if there's comments in the base classes ([#18832](https://github.com/astral-sh/ruff/pull/18832))
-- \[`pylint`\] Suppress `PLE2510`/`PLE2512`/`PLE2513`/`PLE2514`/`PLE2515` autofix if the text contains an odd number of backslashes ([#18856](https://github.com/astral-sh/ruff/pull/18856))
-- \[`refurb`\] Detect more exotic float literals in `FURB164` ([#18925](https://github.com/astral-sh/ruff/pull/18925))
-- \[`refurb`\] Fix `FURB163` autofix creating a syntax error for `yield` expressions ([#18756](https://github.com/astral-sh/ruff/pull/18756))
-- \[`refurb`\] Mark `FURB129` autofix as unsafe if there's comments in the `readlines` call ([#18858](https://github.com/astral-sh/ruff/pull/18858))
-- \[`ruff`\] Fix false positives and negatives in `RUF010` ([#18690](https://github.com/astral-sh/ruff/pull/18690))
-- Fix casing of `analyze.direction` variant names ([#18892](https://github.com/astral-sh/ruff/pull/18892))
-
-### Rule changes
-
-- Fix f-string interpolation escaping in generated fixes ([#18882](https://github.com/astral-sh/ruff/pull/18882))
-- \[`flake8-return`\] Mark `RET501` fix unsafe if comments are inside ([#18780](https://github.com/astral-sh/ruff/pull/18780))
-- \[`flake8-async`\] Fix detection for large integer sleep durations in `ASYNC116` rule ([#18767](https://github.com/astral-sh/ruff/pull/18767))
-- \[`flake8-async`\] Mark autofix for `ASYNC115` as unsafe if the call expression contains comments ([#18753](https://github.com/astral-sh/ruff/pull/18753))
-- \[`flake8-bugbear`\] Mark autofix for `B004` as unsafe if the `hasattr` call expr contains comments ([#18755](https://github.com/astral-sh/ruff/pull/18755))
-- \[`flake8-comprehension`\] Mark autofix for `C420` as unsafe if there's comments inside the dict comprehension ([#18768](https://github.com/astral-sh/ruff/pull/18768))
-- \[`flake8-comprehensions`\] Handle template strings for comprehension fixes ([#18710](https://github.com/astral-sh/ruff/pull/18710))
-- \[`flake8-future-annotations`\] Add autofix (`FA100`) ([#18903](https://github.com/astral-sh/ruff/pull/18903))
-- \[`pyflakes`\] Mark `F504`/`F522`/`F523` autofix as unsafe if there's a call with side effect ([#18839](https://github.com/astral-sh/ruff/pull/18839))
-- \[`pylint`\] Allow fix with comments and document performance implications (`PLW3301`) ([#18936](https://github.com/astral-sh/ruff/pull/18936))
-- \[`pylint`\] Detect more exotic `NaN` literals in `PLW0177` ([#18630](https://github.com/astral-sh/ruff/pull/18630))
-- \[`pylint`\] Fix `PLC1802` autofix creating a syntax error and mark autofix as unsafe if there's comments in the `len` call ([#18836](https://github.com/astral-sh/ruff/pull/18836))
-- \[`pyupgrade`\] Extend version detection to include `sys.version_info.major` (`UP036`) ([#18633](https://github.com/astral-sh/ruff/pull/18633))
-- \[`ruff`\] Add lint rule `RUF064` for calling `chmod` with non-octal integers ([#18541](https://github.com/astral-sh/ruff/pull/18541))
-- \[`ruff`\] Added `cls.__dict__.get('__annotations__')` check (`RUF063`) ([#18233](https://github.com/astral-sh/ruff/pull/18233))
-- \[`ruff`\] Frozen `dataclass` default should be valid (`RUF009`) ([#18735](https://github.com/astral-sh/ruff/pull/18735))
-
-### Server
-
-- Consider virtual path for various server actions ([#18910](https://github.com/astral-sh/ruff/pull/18910))
-
-### Documentation
-
-- Add fix safety sections ([#18940](https://github.com/astral-sh/ruff/pull/18940),[#18841](https://github.com/astral-sh/ruff/pull/18841),[#18802](https://github.com/astral-sh/ruff/pull/18802),[#18837](https://github.com/astral-sh/ruff/pull/18837),[#18800](https://github.com/astral-sh/ruff/pull/18800),[#18415](https://github.com/astral-sh/ruff/pull/18415),[#18853](https://github.com/astral-sh/ruff/pull/18853),[#18842](https://github.com/astral-sh/ruff/pull/18842))
-- Use updated pre-commit id ([#18718](https://github.com/astral-sh/ruff/pull/18718))
-- \[`perflint`\] Small docs improvement to `PERF401` ([#18786](https://github.com/astral-sh/ruff/pull/18786))
-- \[`pyupgrade`\]: Use `super()`, not `__super__` in error messages (`UP008`) ([#18743](https://github.com/astral-sh/ruff/pull/18743))
-- \[`flake8-pie`\] Small docs fix to `PIE794` ([#18829](https://github.com/astral-sh/ruff/pull/18829))
-- \[`flake8-pyi`\] Correct `collections-named-tuple` example to use PascalCase assignment ([#16884](https://github.com/astral-sh/ruff/pull/16884))
-- \[`flake8-pie`\] Add note on type checking benefits to `unnecessary-dict-kwargs` (`PIE804`) ([#18666](https://github.com/astral-sh/ruff/pull/18666))
-- \[`pycodestyle`\] Clarify PEP 8 relationship to `whitespace-around-operator` rules ([#18870](https://github.com/astral-sh/ruff/pull/18870))
-
-### Other changes
-
-- Disallow newlines in format specifiers of single quoted f- or t-strings ([#18708](https://github.com/astral-sh/ruff/pull/18708))
-- \[`flake8-logging`\] Add fix safety section to `LOG002` ([#18840](https://github.com/astral-sh/ruff/pull/18840))
-- \[`pyupgrade`\] Add fix safety section to `UP010` ([#18838](https://github.com/astral-sh/ruff/pull/18838))
-
-## 0.12.2
-
-### Preview features
-
-- \[`flake8-pyi`\] Expand `Optional[A]` to `A | None` (`PYI016`) ([#18572](https://github.com/astral-sh/ruff/pull/18572))
-- \[`pyupgrade`\] Mark `UP008` fix safe if no comments are in range ([#18683](https://github.com/astral-sh/ruff/pull/18683))
-
-### Bug fixes
-
-- \[`flake8-comprehensions`\] Fix `C420` to prepend whitespace when needed ([#18616](https://github.com/astral-sh/ruff/pull/18616))
-- \[`perflint`\] Fix `PERF403` panic on attribute or subscription loop variable ([#19042](https://github.com/astral-sh/ruff/pull/19042))
-- \[`pydocstyle`\] Fix `D413` infinite loop for parenthesized docstring ([#18930](https://github.com/astral-sh/ruff/pull/18930))
-- \[`pylint`\] Fix `PLW0108` autofix introducing a syntax error when the lambda's body contains an assignment expression ([#18678](https://github.com/astral-sh/ruff/pull/18678))
-- \[`refurb`\] Fix false positive on empty tuples (`FURB168`) ([#19058](https://github.com/astral-sh/ruff/pull/19058))
-- \[`ruff`\] Allow more `field` calls from `attrs` (`RUF009`) ([#19021](https://github.com/astral-sh/ruff/pull/19021))
-- \[`ruff`\] Fix syntax error introduced for an empty string followed by a u-prefixed string (`UP025`) ([#18899](https://github.com/astral-sh/ruff/pull/18899))
-
-### Rule changes
-
-- \[`flake8-executable`\] Allow `uvx` in shebang line (`EXE003`) ([#18967](https://github.com/astral-sh/ruff/pull/18967))
-- \[`pandas`\] Avoid flagging `PD002` if `pandas` is not imported ([#18963](https://github.com/astral-sh/ruff/pull/18963))
-- \[`pyupgrade`\] Avoid PEP-604 unions with `typing.NamedTuple` (`UP007`, `UP045`) ([#18682](https://github.com/astral-sh/ruff/pull/18682))
-
-### Documentation
-
-- Document link between `import-outside-top-level (PLC0415)` and `lint.flake8-tidy-imports.banned-module-level-imports` ([#18733](https://github.com/astral-sh/ruff/pull/18733))
-- Fix description of the `format.skip-magic-trailing-comma` example ([#19095](https://github.com/astral-sh/ruff/pull/19095))
-- \[`airflow`\] Make `AIR302` example error out-of-the-box ([#18988](https://github.com/astral-sh/ruff/pull/18988))
-- \[`airflow`\] Make `AIR312` example error out-of-the-box ([#18989](https://github.com/astral-sh/ruff/pull/18989))
-- \[`flake8-annotations`\] Make `ANN401` example error out-of-the-box ([#18974](https://github.com/astral-sh/ruff/pull/18974))
-- \[`flake8-async`\] Make `ASYNC100` example error out-of-the-box ([#18993](https://github.com/astral-sh/ruff/pull/18993))
-- \[`flake8-async`\] Make `ASYNC105` example error out-of-the-box ([#19002](https://github.com/astral-sh/ruff/pull/19002))
-- \[`flake8-async`\] Make `ASYNC110` example error out-of-the-box ([#18975](https://github.com/astral-sh/ruff/pull/18975))
-- \[`flake8-async`\] Make `ASYNC210` example error out-of-the-box ([#18977](https://github.com/astral-sh/ruff/pull/18977))
-- \[`flake8-async`\] Make `ASYNC220`, `ASYNC221`, and `ASYNC222` examples error out-of-the-box ([#18978](https://github.com/astral-sh/ruff/pull/18978))
-- \[`flake8-async`\] Make `ASYNC251` example error out-of-the-box ([#18990](https://github.com/astral-sh/ruff/pull/18990))
-- \[`flake8-bandit`\] Make `S201` example error out-of-the-box ([#19017](https://github.com/astral-sh/ruff/pull/19017))
-- \[`flake8-bandit`\] Make `S604` and `S609` examples error out-of-the-box ([#19049](https://github.com/astral-sh/ruff/pull/19049))
-- \[`flake8-bugbear`\] Make `B028` example error out-of-the-box ([#19054](https://github.com/astral-sh/ruff/pull/19054))
-- \[`flake8-bugbear`\] Make `B911` example error out-of-the-box ([#19051](https://github.com/astral-sh/ruff/pull/19051))
-- \[`flake8-datetimez`\] Make `DTZ011` example error out-of-the-box ([#19055](https://github.com/astral-sh/ruff/pull/19055))
-- \[`flake8-datetimez`\] Make `DTZ901` example error out-of-the-box ([#19056](https://github.com/astral-sh/ruff/pull/19056))
-- \[`flake8-pyi`\] Make `PYI032` example error out-of-the-box ([#19061](https://github.com/astral-sh/ruff/pull/19061))
-- \[`flake8-pyi`\] Make example error out-of-the-box (`PYI014`, `PYI015`) ([#19097](https://github.com/astral-sh/ruff/pull/19097))
-- \[`flake8-pyi`\] Make example error out-of-the-box (`PYI042`) ([#19101](https://github.com/astral-sh/ruff/pull/19101))
-- \[`flake8-pyi`\] Make example error out-of-the-box (`PYI059`) ([#19080](https://github.com/astral-sh/ruff/pull/19080))
-- \[`flake8-pyi`\] Make example error out-of-the-box (`PYI062`) ([#19079](https://github.com/astral-sh/ruff/pull/19079))
-- \[`flake8-pytest-style`\] Make example error out-of-the-box (`PT023`) ([#19104](https://github.com/astral-sh/ruff/pull/19104))
-- \[`flake8-pytest-style`\] Make example error out-of-the-box (`PT030`) ([#19105](https://github.com/astral-sh/ruff/pull/19105))
-- \[`flake8-quotes`\] Make example error out-of-the-box (`Q003`) ([#19106](https://github.com/astral-sh/ruff/pull/19106))
-- \[`flake8-simplify`\] Make example error out-of-the-box (`SIM110`) ([#19113](https://github.com/astral-sh/ruff/pull/19113))
-- \[`flake8-simplify`\] Make example error out-of-the-box (`SIM113`) ([#19109](https://github.com/astral-sh/ruff/pull/19109))
-- \[`flake8-simplify`\] Make example error out-of-the-box (`SIM401`) ([#19110](https://github.com/astral-sh/ruff/pull/19110))
-- \[`pyflakes`\] Fix backslash in docs (`F621`) ([#19098](https://github.com/astral-sh/ruff/pull/19098))
-- \[`pylint`\] Fix `PLC0415` example ([#18970](https://github.com/astral-sh/ruff/pull/18970))
-
-## 0.12.3
-
-### Preview features
-
-- \[`flake8-bugbear`\] Support non-context-manager calls in `B017` ([#19063](https://github.com/astral-sh/ruff/pull/19063))
-- \[`flake8-use-pathlib`\] Add autofixes for `PTH100`, `PTH106`, `PTH107`, `PTH108`, `PTH110`, `PTH111`, `PTH112`, `PTH113`, `PTH114`, `PTH115`, `PTH117`, `PTH119`, `PTH120` ([#19213](https://github.com/astral-sh/ruff/pull/19213))
-- \[`flake8-use-pathlib`\] Add autofixes for `PTH203`, `PTH204`, `PTH205` ([#18922](https://github.com/astral-sh/ruff/pull/18922))
-
-### Bug fixes
-
-- \[`flake8-return`\] Fix false-positive for variables used inside nested functions in `RET504` ([#18433](https://github.com/astral-sh/ruff/pull/18433))
-- Treat form feed as valid whitespace before a line continuation ([#19220](https://github.com/astral-sh/ruff/pull/19220))
-- \[`flake8-type-checking`\] Fix syntax error introduced by fix (`TC008`) ([#19150](https://github.com/astral-sh/ruff/pull/19150))
-- \[`pyupgrade`\] Keyword arguments in `super` should suppress the `UP008` fix ([#19131](https://github.com/astral-sh/ruff/pull/19131))
-
-### Documentation
-
-- \[`flake8-pyi`\] Make example error out-of-the-box (`PYI007`, `PYI008`) ([#19103](https://github.com/astral-sh/ruff/pull/19103))
-- \[`flake8-simplify`\] Make example error out-of-the-box (`SIM116`) ([#19111](https://github.com/astral-sh/ruff/pull/19111))
-- \[`flake8-type-checking`\] Make example error out-of-the-box (`TC001`) ([#19151](https://github.com/astral-sh/ruff/pull/19151))
-- \[`flake8-use-pathlib`\] Make example error out-of-the-box (`PTH210`) ([#19189](https://github.com/astral-sh/ruff/pull/19189))
-- \[`pycodestyle`\] Make example error out-of-the-box (`E272`) ([#19191](https://github.com/astral-sh/ruff/pull/19191))
-- \[`pycodestyle`\] Make example not raise unnecessary `SyntaxError` (`E114`) ([#19190](https://github.com/astral-sh/ruff/pull/19190))
-- \[`pydoclint`\] Make example error out-of-the-box (`DOC501`) ([#19218](https://github.com/astral-sh/ruff/pull/19218))
-- \[`pylint`, `pyupgrade`\] Fix syntax errors in examples (`PLW1501`, `UP028`) ([#19127](https://github.com/astral-sh/ruff/pull/19127))
-- \[`pylint`\] Update `missing-maxsplit-arg` docs and error to suggest proper usage (`PLC0207`) ([#18949](https://github.com/astral-sh/ruff/pull/18949))
-- \[`flake8-bandit`\] Make example error out-of-the-box (`S412`) ([#19241](https://github.com/astral-sh/ruff/pull/19241))
-
-## 0.12.4
-
-### Preview features
-
-- \[`flake8-type-checking`, `pyupgrade`, `ruff`\] Add `from __future__ import annotations` when it would allow new fixes (`TC001`, `TC002`, `TC003`, `UP037`, `RUF013`) ([#19100](https://github.com/astral-sh/ruff/pull/19100))
-- \[`flake8-use-pathlib`\] Add autofix for `PTH109` ([#19245](https://github.com/astral-sh/ruff/pull/19245))
-- \[`pylint`\] Detect indirect `pathlib.Path` usages for `unspecified-encoding` (`PLW1514`) ([#19304](https://github.com/astral-sh/ruff/pull/19304))
-
-### Bug fixes
-
-- \[`flake8-bugbear`\] Fix `B017` false negatives for keyword exception arguments ([#19217](https://github.com/astral-sh/ruff/pull/19217))
-- \[`flake8-use-pathlib`\] Fix false negative on direct `Path()` instantiation (`PTH210`) ([#19388](https://github.com/astral-sh/ruff/pull/19388))
-- \[`flake8-django`\] Fix `DJ008` false positive for abstract models with type-annotated `abstract` field ([#19221](https://github.com/astral-sh/ruff/pull/19221))
-- \[`isort`\] Fix `I002` import insertion after docstring with multiple string statements ([#19222](https://github.com/astral-sh/ruff/pull/19222))
-- \[`isort`\] Treat form feed as valid whitespace before a semicolon ([#19343](https://github.com/astral-sh/ruff/pull/19343))
-- \[`pydoclint`\] Fix `SyntaxError` from fixes with line continuations (`D201`, `D202`) ([#19246](https://github.com/astral-sh/ruff/pull/19246))
-- \[`refurb`\] `FURB164` fix should validate arguments and should usually be marked unsafe ([#19136](https://github.com/astral-sh/ruff/pull/19136))
-
-### Rule changes
-
-- \[`flake8-use-pathlib`\] Skip single dots for `invalid-pathlib-with-suffix` (`PTH210`) on versions >= 3.14 ([#19331](https://github.com/astral-sh/ruff/pull/19331))
-- \[`pep8_naming`\] Avoid false positives on standard library functions with uppercase names (`N802`) ([#18907](https://github.com/astral-sh/ruff/pull/18907))
-- \[`pycodestyle`\] Handle brace escapes for t-strings in logical lines ([#19358](https://github.com/astral-sh/ruff/pull/19358))
-- \[`pylint`\] Extend invalid string character rules to include t-strings ([#19355](https://github.com/astral-sh/ruff/pull/19355))
-- \[`ruff`\] Allow `strict` kwarg when checking for `starmap-zip` (`RUF058`) in Python 3.14+ ([#19333](https://github.com/astral-sh/ruff/pull/19333))
-
-### Documentation
-
-- \[`flake8-type-checking`\] Make `TC010` docs example more realistic ([#19356](https://github.com/astral-sh/ruff/pull/19356))
-- Make more documentation examples error out-of-the-box ([#19288](https://github.com/astral-sh/ruff/pull/19288),[#19272](https://github.com/astral-sh/ruff/pull/19272),[#19291](https://github.com/astral-sh/ruff/pull/19291),[#19296](https://github.com/astral-sh/ruff/pull/19296),[#19292](https://github.com/astral-sh/ruff/pull/19292),[#19295](https://github.com/astral-sh/ruff/pull/19295),[#19297](https://github.com/astral-sh/ruff/pull/19297),[#19309](https://github.com/astral-sh/ruff/pull/19309))
-
-## 0.12.5
-
-### Preview features
-
-- \[`flake8-use-pathlib`\] Add autofix for `PTH101`, `PTH104`, `PTH105`, `PTH121` ([#19404](https://github.com/astral-sh/ruff/pull/19404))
-- \[`ruff`\] Support byte strings (`RUF055`) ([#18926](https://github.com/astral-sh/ruff/pull/18926))
-
-### Bug fixes
-
-- Fix `unreachable` panic in parser ([#19183](https://github.com/astral-sh/ruff/pull/19183))
-- \[`flake8-pyi`\] Skip fix if all `Union` members are `None` (`PYI016`) ([#19416](https://github.com/astral-sh/ruff/pull/19416))
-- \[`perflint`\] Parenthesize generator expressions (`PERF401`) ([#19325](https://github.com/astral-sh/ruff/pull/19325))
-- \[`pylint`\] Handle empty comments after line continuation (`PLR2044`) ([#19405](https://github.com/astral-sh/ruff/pull/19405))
-
-### Rule changes
-
-- \[`pep8-naming`\] Fix `N802` false positives for `CGIHTTPRequestHandler` and `SimpleHTTPRequestHandler` ([#19432](https://github.com/astral-sh/ruff/pull/19432))
-
-## 0.12.6
-
-### Preview features
-
-- \[`flake8-commas`\] Add support for trailing comma checks in type parameter lists (`COM812`, `COM819`) ([#19390](https://github.com/astral-sh/ruff/pull/19390))
-- \[`pylint`\] Implement auto-fix for `missing-maxsplit-arg` (`PLC0207`) ([#19387](https://github.com/astral-sh/ruff/pull/19387))
-- \[`ruff`\] Offer fixes for `RUF039` in more cases ([#19065](https://github.com/astral-sh/ruff/pull/19065))
-
-### Bug fixes
-
-- Support `.pyi` files in ruff analyze graph ([#19611](https://github.com/astral-sh/ruff/pull/19611))
-- \[`flake8-pyi`\] Preserve inline comment in ellipsis removal (`PYI013`) ([#19399](https://github.com/astral-sh/ruff/pull/19399))
-- \[`perflint`\] Ignore rule if target is `global` or `nonlocal` (`PERF401`) ([#19539](https://github.com/astral-sh/ruff/pull/19539))
-- \[`pyupgrade`\] Fix `UP030` to avoid modifying double curly braces in format strings ([#19378](https://github.com/astral-sh/ruff/pull/19378))
-- \[`refurb`\] Ignore decorated functions for `FURB118` ([#19339](https://github.com/astral-sh/ruff/pull/19339))
-- \[`refurb`\] Mark `int` and `bool` cases for `Decimal.from_float` as safe fixes (`FURB164`) ([#19468](https://github.com/astral-sh/ruff/pull/19468))
-- \[`ruff`\] Fix `RUF033` for named default expressions ([#19115](https://github.com/astral-sh/ruff/pull/19115))
-
-### Rule changes
-
-- \[`flake8-blind-except`\] Change `BLE001` to permit `logging.critical(..., exc_info=True)` ([#19520](https://github.com/astral-sh/ruff/pull/19520))
-
-### Performance
-
-- Add support for specifying minimum dots in detected string imports ([#19538](https://github.com/astral-sh/ruff/pull/19538))
-
-## 0.12.7
-
-This is a follow-up release to 0.12.6. Because of an issue in the package metadata, 0.12.6 failed to publish fully to PyPI and has been yanked. Similarly, there is no GitHub release or Git tag for 0.12.6. The contents of the 0.12.7 release are identical to 0.12.6, except for the updated metadata.
-
-## 0.12.8
-
-### Preview features
-
-- \[`flake8-use-pathlib`\] Expand `PTH201` to check all `PurePath` subclasses ([#19440](https://github.com/astral-sh/ruff/pull/19440))
-
-### Bug fixes
-
-- \[`flake8-blind-except`\] Change `BLE001` to correctly parse exception tuples ([#19747](https://github.com/astral-sh/ruff/pull/19747))
-- \[`flake8-errmsg`\] Exclude `typing.cast` from `EM101` ([#19656](https://github.com/astral-sh/ruff/pull/19656))
-- \[`flake8-simplify`\] Fix raw string handling in `SIM905` for embedded quotes ([#19591](https://github.com/astral-sh/ruff/pull/19591))
-- \[`flake8-import-conventions`\] Avoid false positives for NFKC-normalized `__debug__` import aliases in `ICN001` ([#19411](https://github.com/astral-sh/ruff/pull/19411))
-- \[`isort`\] Fix syntax error after docstring ending with backslash (`I002`) ([#19505](https://github.com/astral-sh/ruff/pull/19505))
-- \[`pylint`\] Mark `PLC0207` fixes as unsafe when `*args` unpacking is present ([#19679](https://github.com/astral-sh/ruff/pull/19679))
-- \[`pyupgrade`\] Prevent infinite loop with `I002` (`UP010`, `UP035`) ([#19413](https://github.com/astral-sh/ruff/pull/19413))
-- \[`ruff`\] Parenthesize generator expressions in f-strings (`RUF010`) ([#19434](https://github.com/astral-sh/ruff/pull/19434))
-
-### Rule changes
-
-- \[`eradicate`\] Don't flag `pyrefly` pragmas as unused code (`ERA001`) ([#19731](https://github.com/astral-sh/ruff/pull/19731))
-
-### Documentation
-
-- Replace "associative" with "commutative" in docs for `RUF036` ([#19706](https://github.com/astral-sh/ruff/pull/19706))
-- Fix copy and line separator colors in dark mode ([#19630](https://github.com/astral-sh/ruff/pull/19630))
-- Fix link to `typing` documentation ([#19648](https://github.com/astral-sh/ruff/pull/19648))
-- \[`refurb`\] Make more examples error out-of-the-box ([#19695](https://github.com/astral-sh/ruff/pull/19695),[#19673](https://github.com/astral-sh/ruff/pull/19673),[#19672](https://github.com/astral-sh/ruff/pull/19672))
-
-### Other changes
-
-- Include column numbers in GitLab output format ([#19708](https://github.com/astral-sh/ruff/pull/19708))
-- Always expand tabs to four spaces in diagnostics ([#19618](https://github.com/astral-sh/ruff/pull/19618))
-- Update pre-commit's `ruff` id ([#19654](https://github.com/astral-sh/ruff/pull/19654))
-
-## 0.12.9
-
-### Preview features
-
-- \[`airflow`\] Add check for `airflow.secrets.cache.SecretCache` (`AIR301`) ([#17707](https://github.com/astral-sh/ruff/pull/17707))
-- \[`ruff`\] Offer a safe fix for multi-digit zeros (`RUF064`) ([#19847](https://github.com/astral-sh/ruff/pull/19847))
-
-### Bug fixes
-
-- \[`flake8-blind-except`\] Fix `BLE001` false-positive on `raise ... from None` ([#19755](https://github.com/astral-sh/ruff/pull/19755))
-- \[`flake8-comprehensions`\] Fix false positive for `C420` with attribute, subscript, or slice assignment targets ([#19513](https://github.com/astral-sh/ruff/pull/19513))
-- \[`flake8-simplify`\] Fix handling of U+001C..U+001F whitespace (`SIM905`) ([#19849](https://github.com/astral-sh/ruff/pull/19849))
-
-### Rule changes
-
-- \[`pylint`\] Use lowercase hex characters to match the formatter (`PLE2513`) ([#19808](https://github.com/astral-sh/ruff/pull/19808))
-
-### Documentation
-
-- Fix `lint.future-annotations` link ([#19876](https://github.com/astral-sh/ruff/pull/19876))
-
-### Other changes
-
-- Build `riscv64` binaries for release ([#19819](https://github.com/astral-sh/ruff/pull/19819))
-
-- Add rule code to error description in GitLab output ([#19896](https://github.com/astral-sh/ruff/pull/19896))
-
-- Improve rendering of the `full` output format ([#19415](https://github.com/astral-sh/ruff/pull/19415))
-
-    Below is an example diff for [`F401`](https://docs.astral.sh/ruff/rules/unused-import/):
-
-    ```diff
-    -unused.py:8:19: F401 [*] `pathlib` imported but unused
-    +F401 [*] `pathlib` imported but unused
-    +  --> unused.py:8:19
-        |
-      7 | # Unused, _not_ marked as required (due to the alias).
-      8 | import pathlib as non_alias
-    -   |                   ^^^^^^^^^ F401
-    +   |                   ^^^^^^^^^
-      9 |
-     10 | # Unused, marked as required.
-        |
-    -   = help: Remove unused import: `pathlib`
-    +help: Remove unused import: `pathlib`
-    ```
-
-    For now, the primary difference is the movement of the filename, line number, and column information to a second line in the header. This new representation will allow us to make further additions to Ruff's diagnostics, such as adding sub-diagnostics and multiple annotations to the same snippet.
-
-## 0.12.10
-
-### Preview features
-
-- \[`flake8-simplify`\] Implement fix for `maxsplit` without separator (`SIM905`) ([#19851](https://github.com/astral-sh/ruff/pull/19851))
-- \[`flake8-use-pathlib`\] Add fixes for `PTH102` and `PTH103` ([#19514](https://github.com/astral-sh/ruff/pull/19514))
-
-### Bug fixes
-
-- \[`isort`\] Handle multiple continuation lines after module docstring (`I002`) ([#19818](https://github.com/astral-sh/ruff/pull/19818))
-- \[`pyupgrade`\] Avoid reporting `__future__` features as unnecessary when they are used (`UP010`) ([#19769](https://github.com/astral-sh/ruff/pull/19769))
-- \[`pyupgrade`\] Handle nested `Optional`s (`UP045`) ([#19770](https://github.com/astral-sh/ruff/pull/19770))
-
-### Rule changes
-
-- \[`pycodestyle`\] Make `E731` fix unsafe instead of display-only for class assignments ([#19700](https://github.com/astral-sh/ruff/pull/19700))
-- \[`pyflakes`\] Add secondary annotation showing previous definition (`F811`) ([#19900](https://github.com/astral-sh/ruff/pull/19900))
-
-### Documentation
-
-- Fix description of global config file discovery strategy ([#19188](https://github.com/astral-sh/ruff/pull/19188))
-- Update outdated links to <https://typing.python.org/en/latest/source/stubs.html> ([#19992](https://github.com/astral-sh/ruff/pull/19992))
-- \[`flake8-annotations`\] Remove unused import in example (`ANN401`) ([#20000](https://github.com/astral-sh/ruff/pull/20000))
-
-## 0.12.11
-
-### Preview features
-
-- \[`airflow`\] Extend `AIR311` and `AIR312` rules ([#20082](https://github.com/astral-sh/ruff/pull/20082))
-- \[`airflow`\] Replace wrong path `airflow.io.storage` with `airflow.io.store` (`AIR311`) ([#20081](https://github.com/astral-sh/ruff/pull/20081))
-- \[`flake8-async`\] Implement `blocking-http-call-httpx-in-async-function` (`ASYNC212`) ([#20091](https://github.com/astral-sh/ruff/pull/20091))
-- \[`flake8-logging-format`\] Add auto-fix for f-string logging calls (`G004`) ([#19303](https://github.com/astral-sh/ruff/pull/19303))
-- \[`flake8-use-pathlib`\] Add autofix for `PTH211` ([#20009](https://github.com/astral-sh/ruff/pull/20009))
-- \[`flake8-use-pathlib`\] Make `PTH100` fix unsafe because it can change behavior ([#20100](https://github.com/astral-sh/ruff/pull/20100))
-
-### Bug fixes
-
-- \[`pyflakes`, `pylint`\] Fix false positives caused by `__class__` cell handling (`F841`, `PLE0117`) ([#20048](https://github.com/astral-sh/ruff/pull/20048))
-- \[`pyflakes`\] Fix `allowed-unused-imports` matching for top-level modules (`F401`) ([#20115](https://github.com/astral-sh/ruff/pull/20115))
-- \[`ruff`\] Fix false positive for t-strings in `default-factory-kwarg` (`RUF026`) ([#20032](https://github.com/astral-sh/ruff/pull/20032))
-- \[`ruff`\] Preserve relative whitespace in multi-line expressions (`RUF033`) ([#19647](https://github.com/astral-sh/ruff/pull/19647))
-
-### Rule changes
-
-- \[`ruff`\] Handle empty t-strings in `unnecessary-empty-iterable-within-deque-call` (`RUF037`) ([#20045](https://github.com/astral-sh/ruff/pull/20045))
-
-### Documentation
-
-- Fix incorrect `D413` links in docstrings convention FAQ ([#20089](https://github.com/astral-sh/ruff/pull/20089))
-- \[`flake8-use-pathlib`\] Update links to the table showing the correspondence between `os` and `pathlib` ([#20103](https://github.com/astral-sh/ruff/pull/20103))
-
-## 0.12.12
-
-### Preview features
-
-- Show fixes by default ([#19919](https://github.com/astral-sh/ruff/pull/19919))
-- \[`airflow`\] Convert `DatasetOrTimeSchedule(datasets=...)` to `AssetOrTimeSchedule(assets=...)` (`AIR311`) ([#20202](https://github.com/astral-sh/ruff/pull/20202))
-- \[`airflow`\] Improve the `AIR002` error message ([#20173](https://github.com/astral-sh/ruff/pull/20173))
-- \[`airflow`\] Move `airflow.operators.postgres_operator.Mapping` from `AIR302` to `AIR301` ([#20172](https://github.com/astral-sh/ruff/pull/20172))
-- \[`flake8-async`\] Implement `blocking-input` rule (`ASYNC250`) ([#20122](https://github.com/astral-sh/ruff/pull/20122))
-- \[`flake8-use-pathlib`\] Make `PTH119` and `PTH120` fixes unsafe because they can change behavior ([#20118](https://github.com/astral-sh/ruff/pull/20118))
-- \[`pylint`\] Add U+061C to `PLE2502` ([#20106](https://github.com/astral-sh/ruff/pull/20106))
-- \[`ruff`\] Fix false negative for empty f-strings in `deque` calls (`RUF037`) ([#20109](https://github.com/astral-sh/ruff/pull/20109))
-
-### Bug fixes
-
-- Less confidently mark f-strings as empty when inferring truthiness ([#20152](https://github.com/astral-sh/ruff/pull/20152))
-- \[`fastapi`\] Fix false positive for paths with spaces around parameters (`FAST003`) ([#20077](https://github.com/astral-sh/ruff/pull/20077))
-- \[`flake8-comprehensions`\] Skip `C417` when lambda contains `yield`/`yield from` ([#20201](https://github.com/astral-sh/ruff/pull/20201))
-- \[`perflint`\] Handle tuples in dictionary comprehensions (`PERF403`) ([#19934](https://github.com/astral-sh/ruff/pull/19934))
-
-### Rule changes
-
-- \[`pycodestyle`\] Preserve return type annotation for `ParamSpec` (`E731`) ([#20108](https://github.com/astral-sh/ruff/pull/20108))
-
-### Documentation
-
-- Add fix safety sections to docs ([#17490](https://github.com/astral-sh/ruff/pull/17490),[#17499](https://github.com/astral-sh/ruff/pull/17499))
-
-[`boolean-type-hint-positional-argument`]: https://docs.astral.sh/ruff/rules/boolean-type-hint-positional-argument
-[`collection-literal-concatenation`]: https://docs.astral.sh/ruff/rules/collection-literal-concatenation
-[`if-else-block-instead-of-if-exp`]: https://docs.astral.sh/ruff/rules/if-else-block-instead-of-if-exp
-[`non-pep604-annotation-optional`]: https://docs.astral.sh/ruff/rules/non-pep604-annotation-optional
-[`non-pep604-annotation-union`]: https://docs.astral.sh/ruff/rules/non-pep604-annotation-union
-[`readlines-in-for`]: https://docs.astral.sh/ruff/rules/readlines-in-for
-[`subprocess-without-shell-equals-true`]: https://docs.astral.sh/ruff/rules/subprocess-without-shell-equals-true
-[`unused-noqa`]: https://docs.astral.sh/ruff/rules/unused-noqa

changelogs/0.13.x.md

@@ -1,263 +0,0 @@
-# Changelog 0.13.x
-
-## 0.13.0
-
-Check out the [blog post](https://astral.sh/blog/ruff-v0.13.0) for a migration
-guide and overview of the changes!
-
-### Breaking changes
-
-- **Several rules can now add `from __future__ import annotations` automatically**
-
-    `TC001`, `TC002`, `TC003`, `RUF013`, and `UP037` now add `from __future__ import annotations` as part of their fixes when the
-    `lint.future-annotations` setting is enabled. This allows the rules to move
-    more imports into `TYPE_CHECKING` blocks (`TC001`, `TC002`, and `TC003`),
-    use PEP 604 union syntax on Python versions before 3.10 (`RUF013`), and
-    unquote more annotations (`UP037`).
-
-- **Full module paths are now used to verify first-party modules**
-
-    Ruff now checks that the full path to a module exists on disk before
-    categorizing it as a first-party import. This change makes first-party
-    import detection more accurate, helping to avoid false positives on local
-    directories with the same name as a third-party dependency, for example. See
-    the [FAQ
-    section](https://docs.astral.sh/ruff/faq/#how-does-ruff-determine-which-of-my-imports-are-first-party-third-party-etc) on import categorization for more details.
-
-- **Deprecated rules must now be selected by exact rule code**
-
-    Ruff will no longer activate deprecated rules selected by their group name
-    or prefix. As noted below, the two remaining deprecated rules were also
-    removed in this release, so this won't affect any current rules, but it will
-    still affect any deprecations in the future.
-
-- **The deprecated macOS configuration directory fallback has been removed**
-
-    Ruff will no longer look for a user-level configuration file at
-    `~/Library/Application Support/ruff/ruff.toml` on macOS. This feature was
-    deprecated in v0.5 in favor of using the [XDG
-    specification](https://specifications.freedesktop.org/basedir-spec/latest/)
-    (usually resolving to `~/.config/ruff/ruff.toml`), like on Linux. The
-    fallback and accompanying deprecation warning have now been removed.
-
-### Removed Rules
-
-The following rules have been removed:
-
-- [`pandas-df-variable-name`](https://docs.astral.sh/ruff/rules/pandas-df-variable-name) (`PD901`)
-- [`non-pep604-isinstance`](https://docs.astral.sh/ruff/rules/non-pep604-isinstance) (`UP038`)
-
-### Stabilization
-
-The following rules have been stabilized and are no longer in preview:
-
-- [`airflow-dag-no-schedule-argument`](https://docs.astral.sh/ruff/rules/airflow-dag-no-schedule-argument)
-    (`AIR002`)
-- [`airflow3-removal`](https://docs.astral.sh/ruff/rules/airflow3-removal) (`AIR301`)
-- [`airflow3-moved-to-provider`](https://docs.astral.sh/ruff/rules/airflow3-moved-to-provider)
-    (`AIR302`)
-- [`airflow3-suggested-update`](https://docs.astral.sh/ruff/rules/airflow3-suggested-update)
-    (`AIR311`)
-- [`airflow3-suggested-to-move-to-provider`](https://docs.astral.sh/ruff/rules/airflow3-suggested-to-move-to-provider)
-    (`AIR312`)
-- [`long-sleep-not-forever`](https://docs.astral.sh/ruff/rules/long-sleep-not-forever) (`ASYNC116`)
-- [`f-string-number-format`](https://docs.astral.sh/ruff/rules/f-string-number-format) (`FURB116`)
-- [`os-symlink`](https://docs.astral.sh/ruff/rules/os-symlink) (`PTH211`)
-- [`generic-not-last-base-class`](https://docs.astral.sh/ruff/rules/generic-not-last-base-class)
-    (`PYI059`)
-- [`redundant-none-literal`](https://docs.astral.sh/ruff/rules/redundant-none-literal) (`PYI061`)
-- [`pytest-raises-ambiguous-pattern`](https://docs.astral.sh/ruff/rules/pytest-raises-ambiguous-pattern)
-    (`RUF043`)
-- [`unused-unpacked-variable`](https://docs.astral.sh/ruff/rules/unused-unpacked-variable)
-    (`RUF059`)
-- [`useless-class-metaclass-type`](https://docs.astral.sh/ruff/rules/useless-class-metaclass-type)
-    (`UP050`)
-
-The following behaviors have been stabilized:
-
-- [`assert-raises-exception`](https://docs.astral.sh/ruff/rules/assert-raises-exception) (`B017`)
-    now checks for direct calls to `unittest.TestCase.assert_raises` and `pytest.raises` instead of
-    only the context manager forms.
-- [`missing-trailing-comma`](https://docs.astral.sh/ruff/rules/missing-trailing-comma) (`COM812`)
-    and [`prohibited-trailing-comma`](https://docs.astral.sh/ruff/rules/prohibited-trailing-comma)
-    (`COM819`) now check for trailing commas in PEP 695 type parameter lists.
-- [`raw-string-in-exception`](https://docs.astral.sh/ruff/rules/raw-string-in-exception) (`EM101`)
-    now also checks for byte strings in exception messages.
-- [`invalid-mock-access`](https://docs.astral.sh/ruff/rules/invalid-mock-access) (`PGH005`) now
-    checks for `AsyncMock` methods like `not_awaited` in addition to the synchronous variants.
-- [`useless-import-alias`](https://docs.astral.sh/ruff/rules/useless-import-alias) (`PLC0414`) no
-    longer applies to `__init__.py` files, where it conflicted with one of the suggested fixes for
-    [`unused-import`](https://docs.astral.sh/ruff/rules/unused-import) (`F401`).
-- [`bidirectional-unicode`](https://docs.astral.sh/ruff/rules/bidirectional-unicode) (`PLE2502`) now
-    also checks for U+061C (Arabic Letter Mark).
-- The fix for
-    [`multiple-with-statements`](https://docs.astral.sh/ruff/rules/multiple-with-statements)
-    (`SIM117`) is now marked as always safe.
-
-### Preview features
-
-- \[`pyupgrade`\] Enable `UP043` in stub files ([#20027](https://github.com/astral-sh/ruff/pull/20027))
-
-### Bug fixes
-
-- \[`pyupgrade`\] Apply `UP008` only when the `__class__` cell exists ([#19424](https://github.com/astral-sh/ruff/pull/19424))
-- \[`ruff`\] Fix empty f-string detection in `in-empty-collection` (`RUF060`) ([#20249](https://github.com/astral-sh/ruff/pull/20249))
-
-### Server
-
-- Add support for using uv as an alternative formatter backend ([#19665](https://github.com/astral-sh/ruff/pull/19665))
-
-### Documentation
-
-- \[`pep8-naming`\] Fix formatting of `__all__` (`N816`) ([#20301](https://github.com/astral-sh/ruff/pull/20301))
-
-## 0.13.1
-
-Released on 2025-09-18.
-
-### Preview features
-
-- \[`flake8-simplify`\] Detect unnecessary `None` default for additional key expression types (`SIM910`) ([#20343](https://github.com/astral-sh/ruff/pull/20343))
-- \[`flake8-use-pathlib`\] Add fix for `PTH123` ([#20169](https://github.com/astral-sh/ruff/pull/20169))
-- \[`flake8-use-pathlib`\] Fix `PTH101`, `PTH104`, `PTH105`, `PTH121` fixes ([#20143](https://github.com/astral-sh/ruff/pull/20143))
-- \[`flake8-use-pathlib`\] Make `PTH111` fix unsafe because it can change behavior ([#20215](https://github.com/astral-sh/ruff/pull/20215))
-- \[`pycodestyle`\] Fix `E301` to only trigger for functions immediately within a class ([#19768](https://github.com/astral-sh/ruff/pull/19768))
-- \[`refurb`\] Mark `single-item-membership-test` fix as always unsafe (`FURB171`) ([#20279](https://github.com/astral-sh/ruff/pull/20279))
-
-### Bug fixes
-
-- Handle t-strings for token-based rules and suppression comments ([#20357](https://github.com/astral-sh/ruff/pull/20357))
-- \[`flake8-bandit`\] Fix truthiness: dict-only `**` displays not truthy for `shell` (`S602`, `S604`, `S609`) ([#20177](https://github.com/astral-sh/ruff/pull/20177))
-- \[`flake8-simplify`\] Fix diagnostic to show correct method name for `str.rsplit` calls (`SIM905`) ([#20459](https://github.com/astral-sh/ruff/pull/20459))
-- \[`flynt`\] Use triple quotes for joined raw strings with newlines (`FLY002`) ([#20197](https://github.com/astral-sh/ruff/pull/20197))
-- \[`pyupgrade`\] Fix false positive when class name is shadowed by local variable (`UP008`) ([#20427](https://github.com/astral-sh/ruff/pull/20427))
-- \[`pyupgrade`\] Prevent infinite loop with `I002` and `UP026` ([#20327](https://github.com/astral-sh/ruff/pull/20327))
-- \[`ruff`\] Recognize t-strings, generators, and lambdas in `invalid-index-type` (`RUF016`) ([#20213](https://github.com/astral-sh/ruff/pull/20213))
-
-### Rule changes
-
-- \[`RUF102`\] Respect rule redirects in invalid rule code detection ([#20245](https://github.com/astral-sh/ruff/pull/20245))
-- \[`flake8-bugbear`\] Mark the fix for `unreliable-callable-check` as always unsafe (`B004`) ([#20318](https://github.com/astral-sh/ruff/pull/20318))
-- \[`ruff`\] Allow dataclass attribute value instantiation from nested frozen dataclass (`RUF009`) ([#20352](https://github.com/astral-sh/ruff/pull/20352))
-
-### CLI
-
-- Add fixes to `output-format=sarif` ([#20300](https://github.com/astral-sh/ruff/pull/20300))
-- Treat panics as fatal diagnostics, sort panics last ([#20258](https://github.com/astral-sh/ruff/pull/20258))
-
-### Documentation
-
-- \[`ruff`\] Add `analyze.string-imports-min-dots` to settings ([#20375](https://github.com/astral-sh/ruff/pull/20375))
-- Update README.md with Albumentations new repository URL ([#20415](https://github.com/astral-sh/ruff/pull/20415))
-
-### Other changes
-
-- Bump MSRV to Rust 1.88 ([#20470](https://github.com/astral-sh/ruff/pull/20470))
-- Enable inline noqa for multiline strings in playground ([#20442](https://github.com/astral-sh/ruff/pull/20442))
-
-### Contributors
-
-- [@chirizxc](https://github.com/chirizxc)
-- [@danparizher](https://github.com/danparizher)
-- [@IDrokin117](https://github.com/IDrokin117)
-- [@amyreese](https://github.com/amyreese)
-- [@AlexWaygood](https://github.com/AlexWaygood)
-- [@dylwil3](https://github.com/dylwil3)
-- [@njhearp](https://github.com/njhearp)
-- [@woodruffw](https://github.com/woodruffw)
-- [@dcreager](https://github.com/dcreager)
-- [@TaKO8Ki](https://github.com/TaKO8Ki)
-- [@BurntSushi](https://github.com/BurntSushi)
-- [@salahelfarissi](https://github.com/salahelfarissi)
-- [@MichaReiser](https://github.com/MichaReiser)
-
-## 0.13.2
-
-Released on 2025-09-25.
-
-### Preview features
-
-- \[`flake8-async`\] Implement `blocking-path-method` (`ASYNC240`) ([#20264](https://github.com/astral-sh/ruff/pull/20264))
-- \[`flake8-bugbear`\] Implement `map-without-explicit-strict` (`B912`) ([#20429](https://github.com/astral-sh/ruff/pull/20429))
-- \[`flake8-bultins`\] Detect class-scope builtin shadowing in decorators, default args, and attribute initializers (`A003`) ([#20178](https://github.com/astral-sh/ruff/pull/20178))
-- \[`ruff`\] Implement `logging-eager-conversion` (`RUF065`) ([#19942](https://github.com/astral-sh/ruff/pull/19942))
-- Include `.pyw` files by default when linting and formatting ([#20458](https://github.com/astral-sh/ruff/pull/20458))
-
-### Bug fixes
-
-- Deduplicate input paths ([#20105](https://github.com/astral-sh/ruff/pull/20105))
-- \[`flake8-comprehensions`\] Preserve trailing commas for single-element lists (`C409`) ([#19571](https://github.com/astral-sh/ruff/pull/19571))
-- \[`flake8-pyi`\] Avoid syntax error from conflict with `PIE790` (`PYI021`) ([#20010](https://github.com/astral-sh/ruff/pull/20010))
-- \[`flake8-simplify`\] Correct fix for positive `maxsplit` without separator (`SIM905`) ([#20056](https://github.com/astral-sh/ruff/pull/20056))
-- \[`pyupgrade`\] Fix `UP008` not to apply when `__class__` is a local variable ([#20497](https://github.com/astral-sh/ruff/pull/20497))
-- \[`ruff`\] Fix `B004` to skip invalid `hasattr`/`getattr` calls ([#20486](https://github.com/astral-sh/ruff/pull/20486))
-- \[`ruff`\] Replace `-nan` with `nan` when using the value to construct a `Decimal` (`FURB164` ) ([#20391](https://github.com/astral-sh/ruff/pull/20391))
-
-### Documentation
-
-- Add 'Finding ways to help' to CONTRIBUTING.md ([#20567](https://github.com/astral-sh/ruff/pull/20567))
-- Update import path to `ruff-wasm-web` ([#20539](https://github.com/astral-sh/ruff/pull/20539))
-- \[`flake8-bandit`\] Clarify the supported hashing functions (`S324`) ([#20534](https://github.com/astral-sh/ruff/pull/20534))
-
-### Other changes
-
-- \[`playground`\] Allow hover quick fixes to appear for overlapping diagnostics ([#20527](https://github.com/astral-sh/ruff/pull/20527))
-- \[`playground`\] Fix non‑BMP code point handling in quick fixes and markers ([#20526](https://github.com/astral-sh/ruff/pull/20526))
-
-### Contributors
-
-- [@BurntSushi](https://github.com/BurntSushi)
-- [@mtshiba](https://github.com/mtshiba)
-- [@second-ed](https://github.com/second-ed)
-- [@danparizher](https://github.com/danparizher)
-- [@ShikChen](https://github.com/ShikChen)
-- [@PieterCK](https://github.com/PieterCK)
-- [@GDYendell](https://github.com/GDYendell)
-- [@RazerM](https://github.com/RazerM)
-- [@TaKO8Ki](https://github.com/TaKO8Ki)
-- [@amyreese](https://github.com/amyreese)
-- [@ntbre](https://github.com/ntBre)
-- [@MichaReiser](https://github.com/MichaReiser)
-
-## 0.13.3
-
-Released on 2025-10-02.
-
-### Preview features
-
-- Display diffs for `ruff format --check` and add support for different output formats ([#20443](https://github.com/astral-sh/ruff/pull/20443))
-- \[`pyflakes`\] Handle some common submodule import situations for `unused-import` (`F401`) ([#20200](https://github.com/astral-sh/ruff/pull/20200))
-- \[`ruff`\] Do not flag `%r` + `repr()` combinations (`RUF065`) ([#20600](https://github.com/astral-sh/ruff/pull/20600))
-
-### Bug fixes
-
-- \[`cli`\] Add conflict between `--add-noqa` and `--diff` options ([#20642](https://github.com/astral-sh/ruff/pull/20642))
-- \[`pylint`\] Exempt required imports from `PLR0402` ([#20381](https://github.com/astral-sh/ruff/pull/20381))
-- \[`pylint`\] Fix missing `max-nested-blocks` in settings display ([#20574](https://github.com/astral-sh/ruff/pull/20574))
-- \[`pyupgrade`\] Prevent infinite loop with `I002` and `UP026` ([#20634](https://github.com/astral-sh/ruff/pull/20634))
-
-### Rule changes
-
-- \[`flake8-simplify`\] Improve help message clarity (`SIM105`) ([#20548](https://github.com/astral-sh/ruff/pull/20548))
-
-### Documentation
-
-- Add the *The Basics* title back to CONTRIBUTING.md ([#20624](https://github.com/astral-sh/ruff/pull/20624))
-- Fixed documentation for try_consider_else ([#20587](https://github.com/astral-sh/ruff/pull/20587))
-- \[`isort`\] Clarify dependency between `order-by-type` and `case-sensitive` settings ([#20559](https://github.com/astral-sh/ruff/pull/20559))
-- \[`pylint`\] Clarify fix safety to include left-hand hashability (`PLR6201`) ([#20518](https://github.com/astral-sh/ruff/pull/20518))
-
-### Other changes
-
-- \[`playground`\] Fix quick fixes for empty ranges in playground ([#20599](https://github.com/astral-sh/ruff/pull/20599))
-
-### Contributors
-
-- [@TaKO8Ki](https://github.com/TaKO8Ki)
-- [@ntBre](https://github.com/ntBre)
-- [@dylwil3](https://github.com/dylwil3)
-- [@MichaReiser](https://github.com/MichaReiser)
-- [@danparizher](https://github.com/danparizher)
-- [@LilMonk](https://github.com/LilMonk)
-- [@mgiovani](https://github.com/mgiovani)
-- [@IDrokin117](https://github.com/IDrokin117)

clippy.toml

@@ -24,20 +24,3 @@ ignore-interior-mutability = [
     # The expression is read-only.
     "ruff_python_ast::hashable::HashableExpr",
 ]
-
-disallowed-methods = [
-    { path = "std::env::var", reason = "Use System::env_var instead in ty crates" },
-    { path = "std::env::current_dir", reason = "Use System::current_directory instead in ty crates" },
-    { path = "std::fs::read_to_string", reason = "Use System::read_to_string instead in ty crates" },
-    { path = "std::fs::metadata", reason = "Use System::path_metadata instead in ty crates" },
-    { path = "std::fs::canonicalize", reason = "Use System::canonicalize_path instead in ty crates" },
-    { path = "dunce::canonicalize", reason = "Use System::canonicalize_path instead in ty crates" },
-    { path = "std::fs::read_dir", reason = "Use System::read_directory instead in ty crates" },
-    { path = "std::fs::write", reason = "Use WritableSystem::write_file instead in ty crates" },
-    { path = "std::fs::create_dir_all", reason = "Use WritableSystem::create_directory_all instead in ty crates" },
-    { path = "std::fs::File::create_new", reason = "Use WritableSystem::create_new_file instead in ty crates" },
-    # Path methods that have System trait equivalents
-    { path = "std::path::Path::exists", reason = "Use System::path_exists instead in ty crates" },
-    { path = "std::path::Path::is_dir", reason = "Use System::is_directory instead in ty crates" },
-    { path = "std::path::Path::is_file", reason = "Use System::is_file instead in ty crates" },
-]

crates/ruff/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "ruff"
-version = "0.14.11"
+version = "0.12.0"
 publish = true
 authors = { workspace = true }
 edition = { workspace = true }
@@ -12,13 +12,6 @@ license = { workspace = true }
 readme = "../../README.md"
 default-run = "ruff"
 
-[package.metadata.cargo-shear]
-# Used via macro expansion.
-ignored = ["jiff"]
-
-[package.metadata.dist]
-dist = true
-
 [dependencies]
 ruff_cache = { workspace = true }
 ruff_db = { workspace = true, default-features = false, features = ["os"] }
@@ -48,7 +41,6 @@ colored = { workspace = true }
 filetime = { workspace = true }
 globwalk = { workspace = true }
 ignore = { workspace = true }
-indexmap = { workspace = true }
 is-macro = { workspace = true }
 itertools = { workspace = true }
 jiff = { workspace = true }
@@ -69,12 +61,6 @@ tracing = { workspace = true, features = ["log"] }
 walkdir = { workspace = true }
 wild = { workspace = true }
 
-[target.'cfg(all(not(target_os = "windows"), not(target_os = "openbsd"), not(target_os = "aix"), not(target_os = "android"), any(target_arch = "x86_64", target_arch = "aarch64", target_arch = "powerpc64", target_arch = "riscv64")))'.dependencies]
-tikv-jemallocator = { workspace = true }
-
-[target.'cfg(target_os = "windows")'.dependencies]
-mimalloc = { workspace = true }
-
 [dev-dependencies]
 # Enable test rules during development
 ruff_linter = { workspace = true, features = ["clap", "test-rules"] }
@@ -82,13 +68,24 @@ ruff_linter = { workspace = true, features = ["clap", "test-rules"] }
 assert_fs = { workspace = true }
 # Avoid writing colored snapshots when running tests from the terminal
 colored = { workspace = true, features = ["no-color"] }
-dunce = { workspace = true }
 indoc = { workspace = true }
 insta = { workspace = true, features = ["filters", "json"] }
 insta-cmd = { workspace = true }
-ruff_python_trivia = { workspace = true }
 tempfile = { workspace = true }
 test-case = { workspace = true }
 
+[package.metadata.cargo-shear]
+# Used via macro expansion.
+ignored = ["jiff"]
+
+[package.metadata.dist]
+dist = true
+
+[target.'cfg(target_os = "windows")'.dependencies]
+mimalloc = { workspace = true }
+
+[target.'cfg(all(not(target_os = "windows"), not(target_os = "openbsd"), not(target_os = "aix"), not(target_os = "android"), any(target_arch = "x86_64", target_arch = "aarch64", target_arch = "powerpc64")))'.dependencies]
+tikv-jemallocator = { workspace = true }
+
 [lints]
 workspace = true

crates/ruff/src/args.rs

@@ -7,10 +7,8 @@ use std::sync::Arc;
 
 use crate::commands::completions::config::{OptionString, OptionStringParser};
 use anyhow::bail;
-use clap::builder::Styles;
-use clap::builder::styling::{AnsiColor, Effects};
 use clap::builder::{TypedValueParser, ValueParserFactory};
-use clap::{Parser, Subcommand};
+use clap::{Parser, Subcommand, command};
 use colored::Colorize;
 use itertools::Itertools;
 use path_absolutize::path_dedot;
@@ -80,13 +78,6 @@ impl GlobalConfigArgs {
     }
 }
 
-// Configures Clap v3-style help menu colors
-const STYLES: Styles = Styles::styled()
-    .header(AnsiColor::Green.on_default().effects(Effects::BOLD))
-    .usage(AnsiColor::Green.on_default().effects(Effects::BOLD))
-    .literal(AnsiColor::Cyan.on_default().effects(Effects::BOLD))
-    .placeholder(AnsiColor::Cyan.on_default());
-
 #[derive(Debug, Parser)]
 #[command(
     author,
@@ -95,7 +86,6 @@ const STYLES: Styles = Styles::styled()
     after_help = "For help with a specific command, see: `ruff help <command>`."
 )]
 #[command(version)]
-#[command(styles = STYLES)]
 pub struct Args {
     #[command(subcommand)]
     pub(crate) command: Command,
@@ -167,7 +157,6 @@ pub enum AnalyzeCommand {
 }
 
 #[derive(Clone, Debug, clap::Parser)]
-#[expect(clippy::struct_excessive_bools)]
 pub struct AnalyzeGraphCommand {
     /// List of files or directories to include.
     #[clap(help = "List of files or directories to include [default: .]")]
@@ -180,9 +169,6 @@ pub struct AnalyzeGraphCommand {
     /// Attempt to detect imports from string literals.
     #[clap(long)]
     detect_string_imports: bool,
-    /// The minimum number of dots in a string import to consider it a valid import.
-    #[clap(long)]
-    min_dots: Option<usize>,
     /// Enable preview mode. Use `--no-preview` to disable.
     #[arg(long, overrides_with("no_preview"))]
     preview: bool,
@@ -194,12 +180,6 @@ pub struct AnalyzeGraphCommand {
     /// Path to a virtual environment to use for resolving additional dependencies
     #[arg(long)]
     python: Option<PathBuf>,
-    /// Include imports that are only used for type checking (i.e., imports within `if TYPE_CHECKING:` blocks).
-    /// Use `--no-type-checking-imports` to exclude imports that are only used for type checking.
-    #[arg(long, overrides_with("no_type_checking_imports"))]
-    type_checking_imports: bool,
-    #[arg(long, overrides_with("type_checking_imports"), hide = true)]
-    no_type_checking_imports: bool,
 }
 
 // The `Parser` derive is for ruff_dev, for ruff `Args` would be sufficient
@@ -422,13 +402,8 @@ pub struct CheckCommand {
     )]
     pub statistics: bool,
     /// Enable automatic additions of `noqa` directives to failing lines.
-    /// Optionally provide a reason to append after the codes.
     #[arg(
         long,
-        value_name = "REASON",
-        default_missing_value = "",
-        num_args = 0..=1,
-        require_equals = true,
         // conflicts_with = "add_noqa",
         conflicts_with = "show_files",
         conflicts_with = "show_settings",
@@ -438,9 +413,8 @@ pub struct CheckCommand {
         conflicts_with = "stdin_filename",
         conflicts_with = "watch",
         conflicts_with = "fix",
-        conflicts_with = "diff",
     )]
-    pub add_noqa: Option<String>,
+    pub add_noqa: bool,
     /// See the files Ruff will be run against with the current settings.
     #[arg(
         long,
@@ -560,14 +534,6 @@ pub struct FormatCommand {
     /// Exit with a non-zero status code if any files were modified via format, even if all files were formatted successfully.
     #[arg(long, help_heading = "Miscellaneous", alias = "exit-non-zero-on-fix")]
     pub exit_non_zero_on_format: bool,
-
-    /// Output serialization format for violations, when used with `--check`.
-    /// The default serialization format is "full".
-    ///
-    /// Note that this option is currently only respected in preview mode. A warning will be emitted
-    /// if this flag is used on stable.
-    #[arg(long, value_enum, env = "RUFF_OUTPUT_FORMAT")]
-    pub output_format: Option<OutputFormat>,
 }
 
 #[derive(Copy, Clone, Debug, clap::Parser)]
@@ -815,7 +781,6 @@ impl FormatCommand {
             target_version: self.target_version.map(ast::PythonVersion::from),
             cache_dir: self.cache_dir,
             extension: self.extension,
-            output_format: self.output_format,
             ..ExplicitConfigOverrides::default()
         };
 
@@ -843,13 +808,8 @@ impl AnalyzeGraphCommand {
             } else {
                 None
             },
-            string_imports_min_dots: self.min_dots,
             preview: resolve_bool_arg(self.preview, self.no_preview).map(PreviewMode::from),
             target_version: self.target_version.map(ast::PythonVersion::from),
-            type_checking_imports: resolve_bool_arg(
-                self.type_checking_imports,
-                self.no_type_checking_imports,
-            ),
             ..ExplicitConfigOverrides::default()
         };
 
@@ -1073,7 +1033,7 @@ Possible choices:
 /// etc.).
 #[expect(clippy::struct_excessive_bools)]
 pub struct CheckArguments {
-    pub add_noqa: Option<String>,
+    pub add_noqa: bool,
     pub diff: bool,
     pub exit_non_zero_on_fix: bool,
     pub exit_zero: bool,
@@ -1345,8 +1305,6 @@ struct ExplicitConfigOverrides {
     show_fixes: Option<bool>,
     extension: Option<Vec<ExtensionPair>>,
     detect_string_imports: Option<bool>,
-    string_imports_min_dots: Option<usize>,
-    type_checking_imports: Option<bool>,
 }
 
 impl ConfigurationTransformer for ExplicitConfigOverrides {
@@ -1434,12 +1392,6 @@ impl ConfigurationTransformer for ExplicitConfigOverrides {
         if let Some(detect_string_imports) = &self.detect_string_imports {
             config.analyze.detect_string_imports = Some(*detect_string_imports);
         }
-        if let Some(string_imports_min_dots) = &self.string_imports_min_dots {
-            config.analyze.string_imports_min_dots = Some(*string_imports_min_dots);
-        }
-        if let Some(type_checking_imports) = &self.type_checking_imports {
-            config.analyze.type_checking_imports = Some(*type_checking_imports);
-        }
 
         config
     }

crates/ruff/src/cache.rs

@@ -13,16 +13,24 @@ use itertools::Itertools;
 use log::{debug, error};
 use rayon::iter::ParallelIterator;
 use rayon::iter::{IntoParallelIterator, ParallelBridge};
+use ruff_linter::codes::Rule;
 use rustc_hash::FxHashMap;
 use tempfile::NamedTempFile;
 
 use ruff_cache::{CacheKey, CacheKeyHasher};
+use ruff_diagnostics::Fix;
+use ruff_linter::message::OldDiagnostic;
 use ruff_linter::package::PackageRoot;
 use ruff_linter::{VERSION, warn_user};
 use ruff_macros::CacheKey;
+use ruff_notebook::NotebookIndex;
+use ruff_source_file::SourceFileBuilder;
+use ruff_text_size::{Ranged, TextRange, TextSize};
 use ruff_workspace::Settings;
 use ruff_workspace::resolver::Resolver;
 
+use crate::diagnostics::Diagnostics;
+
 /// [`Path`] that is relative to the package root in [`PackageCache`].
 pub(crate) type RelativePath = Path;
 /// [`PathBuf`] that is relative to the package root in [`PackageCache`].
@@ -289,8 +297,13 @@ impl Cache {
         });
     }
 
-    pub(crate) fn set_linted(&self, path: RelativePathBuf, key: &FileCacheKey, yes: bool) {
-        self.update(path, key, ChangeData::Linted(yes));
+    pub(crate) fn update_lint(
+        &self,
+        path: RelativePathBuf,
+        key: &FileCacheKey,
+        data: LintCacheData,
+    ) {
+        self.update(path, key, ChangeData::Lint(data));
     }
 
     pub(crate) fn set_formatted(&self, path: RelativePathBuf, key: &FileCacheKey) {
@@ -325,15 +338,42 @@ pub(crate) struct FileCache {
 }
 
 impl FileCache {
-    /// Return whether or not the file in the cache was linted and found to have no diagnostics.
-    pub(crate) fn linted(&self) -> bool {
-        self.data.linted
+    /// Convert the file cache into `Diagnostics`, using `path` as file name.
+    pub(crate) fn to_diagnostics(&self, path: &Path) -> Option<Diagnostics> {
+        self.data.lint.as_ref().map(|lint| {
+            let diagnostics = if lint.messages.is_empty() {
+                Vec::new()
+            } else {
+                let file = SourceFileBuilder::new(path.to_string_lossy(), &*lint.source).finish();
+                lint.messages
+                    .iter()
+                    .map(|msg| {
+                        OldDiagnostic::lint(
+                            &msg.body,
+                            msg.suggestion.as_ref(),
+                            msg.range,
+                            msg.fix.clone(),
+                            msg.parent,
+                            file.clone(),
+                            msg.noqa_offset,
+                            msg.rule,
+                        )
+                    })
+                    .collect()
+            };
+            let notebook_indexes = if let Some(notebook_index) = lint.notebook_index.as_ref() {
+                FxHashMap::from_iter([(path.to_string_lossy().to_string(), notebook_index.clone())])
+            } else {
+                FxHashMap::default()
+            };
+            Diagnostics::new(diagnostics, notebook_indexes)
+        })
     }
 }
 
 #[derive(Debug, Default, bincode::Decode, bincode::Encode)]
 struct FileCacheData {
-    linted: bool,
+    lint: Option<LintCacheData>,
     formatted: bool,
 }
 
@@ -369,6 +409,88 @@ pub(crate) fn init(path: &Path) -> Result<()> {
     Ok(())
 }
 
+#[derive(bincode::Decode, Debug, bincode::Encode, PartialEq)]
+pub(crate) struct LintCacheData {
+    /// Imports made.
+    // pub(super) imports: ImportMap,
+    /// Diagnostic messages.
+    pub(super) messages: Vec<CacheMessage>,
+    /// Source code of the file.
+    ///
+    /// # Notes
+    ///
+    /// This will be empty if `messages` is empty.
+    pub(super) source: String,
+    /// Notebook index if this file is a Jupyter Notebook.
+    #[bincode(with_serde)]
+    pub(super) notebook_index: Option<NotebookIndex>,
+}
+
+impl LintCacheData {
+    pub(crate) fn from_diagnostics(
+        diagnostics: &[OldDiagnostic],
+        notebook_index: Option<NotebookIndex>,
+    ) -> Self {
+        let source = if let Some(msg) = diagnostics.first() {
+            msg.source_file().source_text().to_owned()
+        } else {
+            String::new() // No messages, no need to keep the source!
+        };
+
+        let messages = diagnostics
+            .iter()
+            // Parse the kebab-case rule name into a `Rule`. This will fail for syntax errors, so
+            // this also serves to filter them out, but we shouldn't be caching files with syntax
+            // errors anyway.
+            .filter_map(|msg| Some((msg.noqa_code().and_then(|code| code.rule())?, msg)))
+            .map(|(rule, msg)| {
+                // Make sure that all message use the same source file.
+                assert_eq!(
+                    msg.source_file(),
+                    diagnostics.first().unwrap().source_file(),
+                    "message uses a different source file"
+                );
+                CacheMessage {
+                    rule,
+                    body: msg.body().to_string(),
+                    suggestion: msg.suggestion().map(ToString::to_string),
+                    range: msg.range(),
+                    parent: msg.parent,
+                    fix: msg.fix().cloned(),
+                    noqa_offset: msg.noqa_offset(),
+                }
+            })
+            .collect();
+
+        Self {
+            messages,
+            source,
+            notebook_index,
+        }
+    }
+}
+
+/// On disk representation of a diagnostic message.
+#[derive(bincode::Decode, Debug, bincode::Encode, PartialEq)]
+pub(super) struct CacheMessage {
+    /// The rule for the cached diagnostic.
+    #[bincode(with_serde)]
+    rule: Rule,
+    /// The message body to display to the user, to explain the diagnostic.
+    body: String,
+    /// The message to display to the user, to explain the suggested fix.
+    suggestion: Option<String>,
+    /// Range into the message's [`FileCache::source`].
+    #[bincode(with_serde)]
+    range: TextRange,
+    #[bincode(with_serde)]
+    parent: Option<TextSize>,
+    #[bincode(with_serde)]
+    fix: Option<Fix>,
+    #[bincode(with_serde)]
+    noqa_offset: Option<TextSize>,
+}
+
 pub(crate) trait PackageCaches {
     fn get(&self, package_root: &Path) -> Option<&Cache>;
 
@@ -456,15 +578,15 @@ struct Change {
 
 #[derive(Debug)]
 enum ChangeData {
-    Linted(bool),
+    Lint(LintCacheData),
     Formatted,
 }
 
 impl ChangeData {
     fn apply(self, data: &mut FileCacheData) {
         match self {
-            ChangeData::Linted(yes) => {
-                data.linted = yes;
+            ChangeData::Lint(new_lint) => {
+                data.lint = Some(new_lint);
             }
             ChangeData::Formatted => {
                 data.formatted = true;
@@ -486,17 +608,18 @@ mod tests {
     use anyhow::Result;
     use filetime::{FileTime, set_file_mtime};
     use itertools::Itertools;
+    use ruff_linter::settings::LinterSettings;
     use test_case::test_case;
 
     use ruff_cache::CACHE_DIR_NAME;
+    use ruff_linter::message::OldDiagnostic;
     use ruff_linter::package::PackageRoot;
-    use ruff_linter::settings::LinterSettings;
     use ruff_linter::settings::flags;
     use ruff_linter::settings::types::UnsafeFixes;
     use ruff_python_ast::{PySourceType, PythonVersion};
     use ruff_workspace::Settings;
 
-    use crate::cache::{self, ChangeData, FileCache, FileCacheData, FileCacheKey};
+    use crate::cache::{self, FileCache, FileCacheData, FileCacheKey};
     use crate::cache::{Cache, RelativePathBuf};
     use crate::commands::format::{FormatCommandError, FormatMode, FormatResult, format_path};
     use crate::diagnostics::{Diagnostics, lint_path};
@@ -523,7 +646,7 @@ mod tests {
         assert_eq!(cache.changes.lock().unwrap().len(), 0);
 
         let mut paths = Vec::new();
-        let mut paths_with_diagnostics = Vec::new();
+        let mut parse_errors = Vec::new();
         let mut expected_diagnostics = Diagnostics::default();
         for entry in fs::read_dir(&package_root).unwrap() {
             let entry = entry.unwrap();
@@ -547,7 +670,7 @@ mod tests {
                     continue;
                 }
 
-                let mut diagnostics = lint_path(
+                let diagnostics = lint_path(
                     &path,
                     Some(PackageRoot::root(&package_root)),
                     &settings.linter,
@@ -557,15 +680,8 @@ mod tests {
                     UnsafeFixes::Enabled,
                 )
                 .unwrap();
-                if diagnostics.inner.is_empty() {
-                    // We won't load a notebook index from the cache for files without diagnostics,
-                    // so remove them from `expected_diagnostics` too. This allows us to keep the
-                    // full equality assertion below.
-                    diagnostics
-                        .notebook_indexes
-                        .remove(&path.to_string_lossy().to_string());
-                } else {
-                    paths_with_diagnostics.push(path.clone());
+                if diagnostics.inner.iter().any(OldDiagnostic::is_syntax_error) {
+                    parse_errors.push(path.clone());
                 }
                 paths.push(path);
                 expected_diagnostics += diagnostics;
@@ -578,11 +694,11 @@ mod tests {
         let cache = Cache::open(package_root.clone(), &settings);
         assert_ne!(cache.package.files.len(), 0);
 
-        paths_with_diagnostics.sort();
+        parse_errors.sort();
 
         for path in &paths {
-            if paths_with_diagnostics.binary_search(path).is_ok() {
-                continue; // We don't cache files with diagnostics.
+            if parse_errors.binary_search(path).is_ok() {
+                continue; // We don't cache parsing errors.
             }
 
             let relative_path = cache.relative_path(path).unwrap();
@@ -616,7 +732,7 @@ mod tests {
 
     #[test]
     fn cache_adds_file_on_lint() {
-        let source: &[u8] = b"a = 1\n\n__all__ = list([\"a\"])\n";
+        let source: &[u8] = b"a = 1\n\n__all__ = list([\"a\", \"b\"])\n";
 
         let test_cache = TestCache::new("cache_adds_file_on_lint");
         let cache = test_cache.open();
@@ -640,7 +756,7 @@ mod tests {
 
     #[test]
     fn cache_adds_files_on_lint() {
-        let source: &[u8] = b"a = 1\n\n__all__ = list([\"a\"])\n";
+        let source: &[u8] = b"a = 1\n\n__all__ = list([\"a\", \"b\"])\n";
 
         let test_cache = TestCache::new("cache_adds_files_on_lint");
         let cache = test_cache.open();
@@ -665,40 +781,6 @@ mod tests {
         cache.persist().unwrap();
     }
 
-    #[test]
-    fn cache_does_not_add_file_on_lint_with_diagnostic() {
-        let source: &[u8] = b"a = 1\n\n__all__ = list([\"a\", \"b\"])\n";
-
-        let test_cache = TestCache::new("cache_does_not_add_file_on_lint_with_diagnostic");
-        let cache = test_cache.open();
-        test_cache.write_source_file("source.py", source);
-        assert_eq!(cache.changes.lock().unwrap().len(), 0);
-
-        cache.persist().unwrap();
-        let cache = test_cache.open();
-
-        let results = test_cache
-            .lint_file_with_cache("source.py", &cache)
-            .expect("Failed to lint test file");
-        assert_eq!(results.inner.len(), 1, "Expected one F822 diagnostic");
-        assert_eq!(
-            cache.changes.lock().unwrap().len(),
-            1,
-            "Files with diagnostics still trigger change events"
-        );
-        assert!(
-            cache
-                .changes
-                .lock()
-                .unwrap()
-                .last()
-                .is_some_and(|change| matches!(change.new_data, ChangeData::Linted(false))),
-            "Files with diagnostics are marked as unlinted"
-        );
-
-        cache.persist().unwrap();
-    }
-
     #[test]
     fn cache_adds_files_on_format() {
         let source: &[u8] = b"a = 1\n\n__all__ = list([\"a\", \"b\"])\n";
@@ -729,7 +811,7 @@ mod tests {
 
     #[test]
     fn cache_invalidated_on_file_modified_time() {
-        let source: &[u8] = b"a = 1\n\n__all__ = list([\"a\"])\n";
+        let source: &[u8] = b"a = 1\n\n__all__ = list([\"a\", \"b\"])\n";
 
         let test_cache = TestCache::new("cache_invalidated_on_file_modified_time");
         let cache = test_cache.open();
@@ -786,7 +868,7 @@ mod tests {
             file.set_permissions(perms)
         }
 
-        let source: &[u8] = b"a = 1\n\n__all__ = list([\"a\"])\n";
+        let source: &[u8] = b"a = 1\n\n__all__ = list([\"a\", \"b\"])\n";
 
         let test_cache = TestCache::new("cache_invalidated_on_permission_change");
         let cache = test_cache.open();
@@ -839,7 +921,7 @@ mod tests {
         );
 
         // Now actually lint a file.
-        let source: &[u8] = b"a = 1\n\n__all__ = list([\"a\"])\n";
+        let source: &[u8] = b"a = 1\n\n__all__ = list([\"a\", \"b\"])\n";
         test_cache.write_source_file("new.py", source);
         let new_path_key = RelativePathBuf::from("new.py");
         assert_eq!(cache.changes.lock().unwrap().len(), 0);
@@ -862,7 +944,7 @@ mod tests {
 
     #[test]
     fn format_updates_cache_entry() {
-        let source: &[u8] = b"a = 1\n\n__all__ = list([\"a\"])\n";
+        let source: &[u8] = b"a = 1\n\n__all__ = list([\"a\", \"b\"])\n";
 
         let test_cache = TestCache::new("format_updates_cache_entry");
         let cache = test_cache.open();
@@ -896,7 +978,7 @@ mod tests {
             panic!("Cache entry for `source.py` is missing.");
         };
 
-        assert!(file_cache.data.linted);
+        assert!(file_cache.data.lint.is_some());
         assert!(file_cache.data.formatted);
     }
 
@@ -946,7 +1028,7 @@ mod tests {
             panic!("Cache entry for `source.py` is missing.");
         };
 
-        assert!(!file_cache.data.linted);
+        assert_eq!(file_cache.data.lint, None);
         assert!(file_cache.data.formatted);
     }
 

crates/ruff/src/commands/add_noqa.rs

@@ -21,7 +21,6 @@ pub(crate) fn add_noqa(
     files: &[PathBuf],
     pyproject_config: &PyprojectConfig,
     config_arguments: &ConfigArguments,
-    reason: Option<&str>,
 ) -> Result<usize> {
     // Collect all the files to check.
     let start = Instant::now();
@@ -77,14 +76,7 @@ pub(crate) fn add_noqa(
                     return None;
                 }
             };
-            match add_noqa_to_path(
-                path,
-                package,
-                &source_kind,
-                source_type,
-                &settings.linter,
-                reason,
-            ) {
+            match add_noqa_to_path(path, package, &source_kind, source_type, &settings.linter) {
                 Ok(count) => Some(count),
                 Err(e) => {
                     error!("Failed to add noqa to {}: {e}", path.display());

crates/ruff/src/commands/analyze_graph.rs

@@ -2,17 +2,15 @@ use crate::args::{AnalyzeGraphArgs, ConfigArguments};
 use crate::resolve::resolve;
 use crate::{ExitStatus, resolve_default_files};
 use anyhow::Result;
-use indexmap::IndexSet;
 use log::{debug, warn};
 use path_absolutize::CWD;
 use ruff_db::system::{SystemPath, SystemPathBuf};
 use ruff_graph::{Direction, ImportMap, ModuleDb, ModuleImports};
 use ruff_linter::package::PackageRoot;
-use ruff_linter::source_kind::SourceKind;
 use ruff_linter::{warn_user, warn_user_once};
 use ruff_python_ast::{PySourceType, SourceType};
 use ruff_workspace::resolver::{ResolvedFile, match_exclusion, python_files_in_path};
-use rustc_hash::{FxBuildHasher, FxHashMap};
+use rustc_hash::FxHashMap;
 use std::io::Write;
 use std::path::{Path, PathBuf};
 use std::sync::{Arc, Mutex};
@@ -60,34 +58,17 @@ pub(crate) fn analyze_graph(
         })
         .collect::<FxHashMap<_, _>>();
 
-    // Create a database from the source roots, combining configured `src` paths with detected
-    // package roots. Configured paths are added first so they take precedence, and duplicates
-    // are removed.
-    let mut src_roots: IndexSet<SystemPathBuf, FxBuildHasher> = IndexSet::default();
-
-    // Add configured `src` paths first (for precedence), filtering to only include existing
-    // directories.
-    src_roots.extend(
-        pyproject_config
-            .settings
-            .linter
-            .src
-            .iter()
-            .filter(|path| path.is_dir())
-            .filter_map(|path| SystemPathBuf::from_path_buf(path.clone()).ok()),
-    );
-
-    // Add detected package roots.
-    src_roots.extend(
-        package_roots
-            .values()
-            .filter_map(|package| package.as_deref())
-            .filter_map(|path| path.parent())
-            .filter_map(|path| SystemPathBuf::from_path_buf(path.to_path_buf()).ok()),
-    );
+    // Create a database from the source roots.
+    let src_roots = package_roots
+        .values()
+        .filter_map(|package| package.as_deref())
+        .filter_map(|package| package.parent())
+        .map(Path::to_path_buf)
+        .filter_map(|path| SystemPathBuf::from_path_buf(path).ok())
+        .collect();
 
     let db = ModuleDb::from_src_roots(
-        src_roots.into_iter().collect(),
+        src_roots,
         pyproject_config
             .settings
             .analyze
@@ -121,9 +102,8 @@ pub(crate) fn analyze_graph(
 
                 // Resolve the per-file settings.
                 let settings = resolver.resolve(path);
-                let string_imports = settings.analyze.string_imports;
+                let string_imports = settings.analyze.detect_string_imports;
                 let include_dependencies = settings.analyze.include_dependencies.get(path).cloned();
-                let type_checking_imports = settings.analyze.type_checking_imports;
 
                 // Skip excluded files.
                 if (settings.file_resolver.force_exclude || !resolved_file.is_root())
@@ -147,6 +127,10 @@ pub(crate) fn analyze_graph(
                     },
                     Some(language) => PySourceType::from(language),
                 };
+                if matches!(source_type, PySourceType::Ipynb) {
+                    debug!("Ignoring Jupyter notebook: {}", path.display());
+                    continue;
+                }
 
                 // Convert to system paths.
                 let Ok(package) = package.map(SystemPathBuf::from_path_buf).transpose() else {
@@ -163,35 +147,13 @@ pub(crate) fn analyze_graph(
                 let root = root.clone();
                 let result = inner_result.clone();
                 scope.spawn(move |_| {
-                    // Extract source code (handles both .py and .ipynb files)
-                    let source_kind = match SourceKind::from_path(path.as_std_path(), source_type) {
-                        Ok(Some(source_kind)) => source_kind,
-                        Ok(None) => {
-                            debug!("Skipping non-Python notebook: {path}");
-                            return;
-                        }
-                        Err(err) => {
-                            warn!("Failed to read source for {path}: {err}");
-                            return;
-                        }
-                    };
-
-                    let source_code = source_kind.source_code();
-
                     // Identify any imports via static analysis.
-                    let mut imports = ModuleImports::detect(
-                        &db,
-                        source_code,
-                        source_type,
-                        &path,
-                        package.as_deref(),
-                        string_imports,
-                        type_checking_imports,
-                    )
-                    .unwrap_or_else(|err| {
-                        warn!("Failed to generate import map for {path}: {err}");
-                        ModuleImports::default()
-                    });
+                    let mut imports =
+                        ModuleImports::detect(&db, &path, package.as_deref(), string_imports)
+                            .unwrap_or_else(|err| {
+                                warn!("Failed to generate import map for {path}: {err}");
+                                ModuleImports::default()
+                            });
 
                     debug!("Discovered {} imports for {}", imports.len(), path);
 

crates/ruff/src/commands/check.rs

@@ -6,19 +6,18 @@ use std::time::Instant;
 use anyhow::Result;
 use colored::Colorize;
 use ignore::Error;
-use log::{debug, warn};
+use log::{debug, error, warn};
 #[cfg(not(target_family = "wasm"))]
 use rayon::prelude::*;
-use ruff_linter::message::create_panic_diagnostic;
 use rustc_hash::FxHashMap;
 
-use ruff_db::diagnostic::Diagnostic;
 use ruff_db::panic::catch_unwind;
+use ruff_linter::OldDiagnostic;
 use ruff_linter::package::PackageRoot;
 use ruff_linter::registry::Rule;
 use ruff_linter::settings::types::UnsafeFixes;
 use ruff_linter::settings::{LinterSettings, flags};
-use ruff_linter::{IOError, Violation, fs, warn_user_once};
+use ruff_linter::{IOError, fs, warn_user_once};
 use ruff_source_file::SourceFileBuilder;
 use ruff_text_size::TextRange;
 use ruff_workspace::resolver::{
@@ -130,7 +129,11 @@ pub(crate) fn check(
                         SourceFileBuilder::new(path.to_string_lossy().as_ref(), "").finish();
 
                     Diagnostics::new(
-                        vec![IOError { message }.into_diagnostic(TextRange::default(), &dummy)],
+                        vec![OldDiagnostic::new(
+                            IOError { message },
+                            TextRange::default(),
+                            &dummy,
+                        )],
                         FxHashMap::default(),
                     )
                 } else {
@@ -163,9 +166,7 @@ pub(crate) fn check(
             |a, b| (a.0 + b.0, a.1 + b.1),
         );
 
-    all_diagnostics
-        .inner
-        .sort_by(Diagnostic::ruff_start_ordering);
+    all_diagnostics.inner.sort();
 
     // Store the caches.
     caches.persist()?;
@@ -194,8 +195,21 @@ fn lint_path(
     match result {
         Ok(inner) => inner,
         Err(error) => {
-            let diagnostic = create_panic_diagnostic(&error, Some(path));
-            Ok(Diagnostics::new(vec![diagnostic], FxHashMap::default()))
+            let message = r"This indicates a bug in Ruff. If you could open an issue at:
+
+    https://github.com/astral-sh/ruff/issues/new?title=%5BLinter%20panic%5D
+
+...with the relevant file contents, the `pyproject.toml` settings, and the following stack trace, we'd be very appreciative!
+";
+
+            error!(
+                "{}{}{} {message}\n{error}",
+                "Panicked while linting ".bold(),
+                fs::relativize_path(path).bold(),
+                ":".bold()
+            );
+
+            Ok(Diagnostics::default())
         }
     }
 }
@@ -210,8 +224,7 @@ mod test {
     use rustc_hash::FxHashMap;
     use tempfile::TempDir;
 
-    use ruff_db::diagnostic::{DiagnosticFormat, DisplayDiagnosticConfig, DisplayDiagnostics};
-    use ruff_linter::message::EmitterContext;
+    use ruff_linter::message::{Emitter, EmitterContext, TextEmitter};
     use ruff_linter::registry::Rule;
     use ruff_linter::settings::types::UnsafeFixes;
     use ruff_linter::settings::{LinterSettings, flags};
@@ -264,16 +277,18 @@ mod test {
             UnsafeFixes::Enabled,
         )
         .unwrap();
+        let mut output = Vec::new();
 
-        let config = DisplayDiagnosticConfig::default()
-            .format(DiagnosticFormat::Concise)
-            .hide_severity(true);
-        let messages = DisplayDiagnostics::new(
-            &EmitterContext::new(&FxHashMap::default()),
-            &config,
-            &diagnostics.inner,
-        )
-        .to_string();
+        TextEmitter::default()
+            .with_show_fix_status(true)
+            .emit(
+                &mut output,
+                &diagnostics.inner,
+                &EmitterContext::new(&FxHashMap::default()),
+            )
+            .unwrap();
+
+        let messages = String::from_utf8(output).unwrap();
 
         insta::with_settings!({
             omit_expression => true,

crates/ruff/src/commands/check_stdin.rs

@@ -1,7 +1,6 @@
 use std::path::Path;
 
 use anyhow::Result;
-use ruff_db::diagnostic::Diagnostic;
 use ruff_linter::package::PackageRoot;
 use ruff_linter::packaging;
 use ruff_linter::settings::flags;
@@ -53,8 +52,6 @@ pub(crate) fn check_stdin(
         noqa,
         fix_mode,
     )?;
-    diagnostics
-        .inner
-        .sort_unstable_by(Diagnostic::ruff_start_ordering);
+    diagnostics.inner.sort_unstable();
     Ok(diagnostics)
 }

crates/ruff/src/commands/format.rs

@@ -11,19 +11,13 @@ use itertools::Itertools;
 use log::{error, warn};
 use rayon::iter::Either::{Left, Right};
 use rayon::iter::{IntoParallelRefIterator, ParallelIterator};
-use ruff_db::diagnostic::{
-    Annotation, Diagnostic, DiagnosticId, DisplayDiagnosticConfig, Severity, Span,
-};
-use ruff_linter::message::{EmitterContext, create_panic_diagnostic, render_diagnostics};
-use ruff_linter::settings::types::OutputFormat;
-use ruff_notebook::NotebookIndex;
 use ruff_python_parser::ParseError;
-use rustc_hash::{FxHashMap, FxHashSet};
+use rustc_hash::FxHashSet;
 use thiserror::Error;
 use tracing::debug;
 
 use ruff_db::panic::{PanicError, catch_unwind};
-use ruff_diagnostics::{Edit, Fix, SourceMap};
+use ruff_diagnostics::SourceMap;
 use ruff_linter::fs;
 use ruff_linter::logging::{DisplayParseError, LogLevel};
 use ruff_linter::package::PackageRoot;
@@ -33,15 +27,14 @@ use ruff_linter::source_kind::{SourceError, SourceKind};
 use ruff_linter::warn_user_once;
 use ruff_python_ast::{PySourceType, SourceType};
 use ruff_python_formatter::{FormatModuleError, QuoteStyle, format_module_source, format_range};
-use ruff_source_file::{LineIndex, LineRanges, OneIndexed, SourceFileBuilder};
+use ruff_source_file::LineIndex;
 use ruff_text_size::{TextLen, TextRange, TextSize};
 use ruff_workspace::FormatterSettings;
-use ruff_workspace::resolver::{
-    PyprojectConfig, ResolvedFile, Resolver, match_exclusion, python_files_in_path,
-};
+use ruff_workspace::resolver::{ResolvedFile, Resolver, match_exclusion, python_files_in_path};
 
 use crate::args::{ConfigArguments, FormatArguments, FormatRange};
 use crate::cache::{Cache, FileCacheKey, PackageCacheMap, PackageCaches};
+use crate::resolve::resolve;
 use crate::{ExitStatus, resolve_default_files};
 
 #[derive(Debug, Copy, Clone, is_macro::Is)]
@@ -70,14 +63,11 @@ impl FormatMode {
 pub(crate) fn format(
     cli: FormatArguments,
     config_arguments: &ConfigArguments,
-    pyproject_config: &PyprojectConfig,
 ) -> Result<ExitStatus> {
+    let pyproject_config = resolve(config_arguments, cli.stdin_filename.as_deref())?;
     let mode = FormatMode::from_cli(&cli);
     let files = resolve_default_files(cli.files, false);
-    let (paths, resolver) = python_files_in_path(&files, pyproject_config, config_arguments)?;
-
-    let output_format = pyproject_config.settings.output_format;
-    let preview = pyproject_config.settings.formatter.preview;
+    let (paths, resolver) = python_files_in_path(&files, &pyproject_config, config_arguments)?;
 
     if paths.is_empty() {
         warn_user_once!("No Python files found under the given path(s)");
@@ -194,26 +184,17 @@ pub(crate) fn format(
     caches.persist()?;
 
     // Report on any errors.
-    //
-    // We only convert errors to `Diagnostic`s in `Check` mode with preview enabled, otherwise we
-    // fall back on printing simple messages.
-    if !(preview.is_enabled() && mode.is_check()) {
-        errors.sort_unstable_by(|a, b| a.path().cmp(&b.path()));
+    errors.sort_unstable_by(|a, b| a.path().cmp(&b.path()));
 
-        for error in &errors {
-            error!("{error}");
-        }
+    for error in &errors {
+        error!("{error}");
     }
 
     let results = FormatResults::new(results.as_slice(), mode);
     match mode {
         FormatMode::Write => {}
         FormatMode::Check => {
-            if preview.is_enabled() {
-                results.write_changed_preview(&mut stdout().lock(), output_format, &errors)?;
-            } else {
-                results.write_changed(&mut stdout().lock())?;
-            }
+            results.write_changed(&mut stdout().lock())?;
         }
         FormatMode::Diff => {
             results.write_diff(&mut stdout().lock())?;
@@ -225,7 +206,7 @@ pub(crate) fn format(
         if mode.is_diff() {
             // Allow piping the diff to e.g. a file by writing the summary to stderr
             results.write_summary(&mut stderr().lock())?;
-        } else if !preview.is_enabled() || output_format.is_human_readable() {
+        } else {
             results.write_summary(&mut stdout().lock())?;
         }
     }
@@ -314,7 +295,8 @@ pub(crate) fn format_path(
 
                 FormatResult::Formatted
             }
-            FormatMode::Check | FormatMode::Diff => FormatResult::Diff {
+            FormatMode::Check => FormatResult::Formatted,
+            FormatMode::Diff => FormatResult::Diff {
                 unformatted,
                 formatted,
             },
@@ -347,7 +329,7 @@ pub(crate) enum FormattedSource {
 impl From<FormattedSource> for FormatResult {
     fn from(value: FormattedSource) -> Self {
         match value {
-            FormattedSource::Formatted { .. } => FormatResult::Formatted,
+            FormattedSource::Formatted(_) => FormatResult::Formatted,
             FormattedSource::Unchanged => FormatResult::Unchanged,
         }
     }
@@ -370,7 +352,7 @@ pub(crate) fn format_source(
                 let line_index = LineIndex::from_source_text(unformatted);
                 let byte_range = range.to_text_range(unformatted, &line_index);
                 format_range(unformatted, byte_range, options).map(|formatted_range| {
-                    let mut formatted = unformatted.clone();
+                    let mut formatted = unformatted.to_string();
                     formatted.replace_range(
                         std::ops::Range::<usize>::from(formatted_range.source_range()),
                         formatted_range.as_code(),
@@ -495,10 +477,10 @@ pub(crate) fn format_source(
 /// The result of an individual formatting operation.
 #[derive(Debug, Clone, is_macro::Is)]
 pub(crate) enum FormatResult {
-    /// The file was formatted and written back to disk.
+    /// The file was formatted.
     Formatted,
 
-    /// The file needs to be formatted, as the `formatted` and `unformatted` contents differ.
+    /// The file was formatted, [`SourceKind`] contains the formatted code
     Diff {
         unformatted: SourceKind,
         formatted: SourceKind,
@@ -570,7 +552,7 @@ impl<'a> FormatResults<'a> {
             .results
             .iter()
             .filter_map(|result| {
-                if result.result.is_diff() {
+                if result.result.is_formatted() {
                     Some(result.path.as_path())
                 } else {
                     None
@@ -584,30 +566,6 @@ impl<'a> FormatResults<'a> {
         Ok(())
     }
 
-    /// Write a list of the files that would be changed and any errors to the given writer.
-    fn write_changed_preview(
-        &self,
-        f: &mut impl Write,
-        output_format: OutputFormat,
-        errors: &[FormatCommandError],
-    ) -> io::Result<()> {
-        let mut notebook_index = FxHashMap::default();
-        let diagnostics: Vec<_> = errors
-            .iter()
-            .map(Diagnostic::from)
-            .chain(self.to_diagnostics(&mut notebook_index))
-            .sorted_unstable_by(Diagnostic::ruff_start_ordering)
-            .collect();
-
-        let context = EmitterContext::new(&notebook_index);
-        let config = DisplayDiagnosticConfig::default()
-            .hide_severity(true)
-            .show_fix_diff(true)
-            .color(!cfg!(test) && colored::control::SHOULD_COLORIZE.should_colorize());
-
-        render_diagnostics(f, output_format, config, &context, &diagnostics)
-    }
-
     /// Write a summary of the formatting results to the given writer.
     fn write_summary(&self, f: &mut impl Write) -> io::Result<()> {
         // Compute the number of changed and unchanged files.
@@ -670,155 +628,6 @@ impl<'a> FormatResults<'a> {
             Ok(())
         }
     }
-
-    /// Convert formatted files into [`Diagnostic`]s.
-    fn to_diagnostics(
-        &self,
-        notebook_index: &mut FxHashMap<String, NotebookIndex>,
-    ) -> impl Iterator<Item = Diagnostic> {
-        /// The number of unmodified context lines rendered in diffs.
-        ///
-        /// Note that this should be kept in sync with the argument to `TextDiff::grouped_ops` in
-        /// the diff rendering in `ruff_db` (currently 3). The `similar` crate uses two times that
-        /// argument as a cutoff for rendering unmodified lines.
-        const CONTEXT_LINES: u32 = 6;
-
-        self.results.iter().filter_map(|result| {
-            let (unformatted, formatted) = match &result.result {
-                FormatResult::Skipped | FormatResult::Unchanged => return None,
-                FormatResult::Diff {
-                    unformatted,
-                    formatted,
-                } => (unformatted, formatted),
-                FormatResult::Formatted => {
-                    debug_assert!(
-                        false,
-                        "Expected `FormatResult::Diff` for changed files in check mode"
-                    );
-                    return None;
-                }
-            };
-
-            let mut diagnostic = Diagnostic::new(
-                DiagnosticId::Unformatted,
-                Severity::Error,
-                "File would be reformatted",
-            );
-
-            // Locate the first and last characters that differ to use as the diagnostic
-            // range and to narrow the `Edit` range.
-            let modified_range = ModifiedRange::new(unformatted, formatted);
-
-            let path = result.path.to_string_lossy();
-            // For scripts, this is a single `Edit` using the `ModifiedRange` above, but notebook
-            // edits must be split by cell in order to render them as diffs.
-            //
-            // We also attempt to estimate the line number width for aligning the
-            // annotate-snippets header. This is only an estimate because we don't actually know
-            // if the maximum line number present in the document will be rendered as part of
-            // the diff, either as a changed line or as an unchanged context line. For
-            // notebooks, we refine our estimate by checking the number of lines in each cell
-            // individually, otherwise we could use `formatted.source_code().count_lines(...)`
-            // in both cases.
-            let (fix, line_count) = if let SourceKind::IpyNotebook(formatted) = formatted
-                && let SourceKind::IpyNotebook(unformatted) = unformatted
-            {
-                notebook_index.insert(path.to_string(), unformatted.index().clone());
-
-                let mut edits = formatted
-                    .cell_offsets()
-                    .ranges()
-                    .zip(unformatted.cell_offsets().ranges())
-                    .filter_map(|(formatted_range, unformatted_range)| {
-                        // Filter out cells that weren't modified. We use `intersect` instead of
-                        // `contains_range` because the full modified range might start or end in
-                        // the middle of a cell:
-                        //
-                        // ```
-                        // | cell 1 | cell 2 | cell 3 |
-                        //     |----------------| modified range
-                        // ```
-                        //
-                        // The intersection will be `Some` for all three cells in this case.
-                        if modified_range
-                            .unformatted
-                            .intersect(unformatted_range)
-                            .is_some()
-                        {
-                            let formatted = &formatted.source_code()[formatted_range];
-                            let edit = if formatted.is_empty() {
-                                Edit::range_deletion(unformatted_range)
-                            } else {
-                                Edit::range_replacement(formatted.to_string(), unformatted_range)
-                            };
-                            Some(edit)
-                        } else {
-                            None
-                        }
-                    });
-
-                let fix = Fix::safe_edits(
-                    edits
-                        .next()
-                        .expect("Formatted files must have at least one edit"),
-                    edits,
-                );
-                let source = formatted.source_code();
-                let line_count = formatted
-                    .cell_offsets()
-                    .ranges()
-                    .filter_map(|range| {
-                        if modified_range.formatted.contains_range(range) {
-                            Some(source.count_lines(range))
-                        } else {
-                            None
-                        }
-                    })
-                    .max()
-                    .unwrap_or_default();
-                (fix, line_count)
-            } else {
-                let formatted_code = &formatted.source_code()[modified_range.formatted];
-                let edit = if formatted_code.is_empty() {
-                    Edit::range_deletion(modified_range.unformatted)
-                } else {
-                    Edit::range_replacement(formatted_code.to_string(), modified_range.unformatted)
-                };
-                let fix = Fix::safe_edit(edit);
-                let line_count = formatted
-                    .source_code()
-                    .count_lines(TextRange::up_to(modified_range.formatted.end()));
-                (fix, line_count)
-            };
-
-            let source_file = SourceFileBuilder::new(path, unformatted.source_code()).finish();
-            let span = Span::from(source_file).with_range(modified_range.unformatted);
-            let mut annotation = Annotation::primary(span);
-            annotation.hide_snippet(true);
-            diagnostic.annotate(annotation);
-            diagnostic.set_fix(fix);
-
-            // TODO(brent) this offset is a hack to get the header of the diagnostic message, which
-            // is rendered by our fork of `annotate-snippets`, to align with our manually-rendered
-            // diff. `annotate-snippets` computes the alignment of the arrow in the header based on
-            // the maximum line number width in its rendered snippet. However, we don't have a
-            // reasonable range to underline in an annotation, so we don't send `annotate-snippets`
-            // a snippet to measure. If we commit to staying on our fork, a more robust way of
-            // handling this would be to move the diff rendering in
-            // `ruff_db::diagnostic::render::full` into `annotate-snippets`, likely as another
-            // `DisplayLine` variant and update the `lineno_width` calculation in
-            // `DisplayList::fmt`. That would handle this offset "automatically."
-            let line_count = (line_count + CONTEXT_LINES).min(
-                formatted
-                    .source_code()
-                    .count_lines(TextRange::up_to(formatted.source_code().text_len())),
-            );
-            let lines = OneIndexed::new(line_count as usize).unwrap_or_default();
-            diagnostic.set_header_offset(lines.digits().get());
-
-            Some(diagnostic)
-        })
-    }
 }
 
 /// An error that can occur while formatting a set of files.
@@ -830,6 +639,7 @@ pub(crate) enum FormatCommandError {
     Read(Option<PathBuf>, SourceError),
     Format(Option<PathBuf>, FormatModuleError),
     Write(Option<PathBuf>, SourceError),
+    Diff(Option<PathBuf>, io::Error),
     RangeFormatNotebook(Option<PathBuf>),
 }
 
@@ -848,53 +658,12 @@ impl FormatCommandError {
             | Self::Read(path, _)
             | Self::Format(path, _)
             | Self::Write(path, _)
+            | Self::Diff(path, _)
             | Self::RangeFormatNotebook(path) => path.as_deref(),
         }
     }
 }
 
-impl From<&FormatCommandError> for Diagnostic {
-    fn from(error: &FormatCommandError) -> Self {
-        let annotation = error.path().map(|path| {
-            let file = SourceFileBuilder::new(path.to_string_lossy(), "").finish();
-            let span = Span::from(file);
-            let mut annotation = Annotation::primary(span);
-            annotation.hide_snippet(true);
-            annotation
-        });
-
-        let mut diagnostic = match error {
-            FormatCommandError::Ignore(error) => {
-                Diagnostic::new(DiagnosticId::Io, Severity::Error, error)
-            }
-            FormatCommandError::Parse(display_parse_error) => Diagnostic::new(
-                DiagnosticId::InvalidSyntax,
-                Severity::Error,
-                &display_parse_error.error().error,
-            ),
-            FormatCommandError::Panic(path, panic_error) => {
-                return create_panic_diagnostic(panic_error, path.as_deref());
-            }
-            FormatCommandError::Read(_, source_error)
-            | FormatCommandError::Write(_, source_error) => {
-                Diagnostic::new(DiagnosticId::Io, Severity::Error, source_error)
-            }
-            FormatCommandError::Format(_, format_module_error) => format_module_error.into(),
-            FormatCommandError::RangeFormatNotebook(_) => Diagnostic::new(
-                DiagnosticId::InvalidCliOption,
-                Severity::Error,
-                "Range formatting isn't supported for notebooks.",
-            ),
-        };
-
-        if let Some(annotation) = annotation {
-            diagnostic.annotate(annotation);
-        }
-
-        diagnostic
-    }
-}
-
 impl Display for FormatCommandError {
     fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
         match self {
@@ -962,6 +731,23 @@ impl Display for FormatCommandError {
                     write!(f, "{header} {err}", header = "Failed to format:".bold())
                 }
             }
+            Self::Diff(path, err) => {
+                if let Some(path) = path {
+                    write!(
+                        f,
+                        "{}{}{} {err}",
+                        "Failed to generate diff for ".bold(),
+                        fs::relativize_path(path).bold(),
+                        ":".bold()
+                    )
+                } else {
+                    write!(
+                        f,
+                        "{header} {err}",
+                        header = "Failed to generate diff:".bold(),
+                    )
+                }
+            }
             Self::RangeFormatNotebook(path) => {
                 if let Some(path) = path {
                     write!(
@@ -1006,54 +792,6 @@ impl Display for FormatCommandError {
     }
 }
 
-#[derive(Debug)]
-struct ModifiedRange {
-    unformatted: TextRange,
-    formatted: TextRange,
-}
-
-impl ModifiedRange {
-    /// Determine the range that differs between `unformatted` and `formatted`.
-    ///
-    /// If the two inputs are equal, the returned ranges will be empty.
-    fn new(unformatted: &SourceKind, formatted: &SourceKind) -> Self {
-        let unformatted = unformatted.source_code();
-        let formatted = formatted.source_code();
-
-        let mut prefix_length = TextSize::ZERO;
-        for (unformatted, formatted) in unformatted.chars().zip(formatted.chars()) {
-            if unformatted != formatted {
-                break;
-            }
-            prefix_length += unformatted.text_len();
-        }
-
-        // For the ends of the ranges, track the length of the common suffix and then subtract that
-        // from each total text length. Unlike for `start`, the character offsets are very unlikely
-        // to be equal, so they need to be treated separately.
-        let mut suffix_length = TextSize::ZERO;
-        for (old, new) in unformatted[prefix_length.to_usize()..]
-            .chars()
-            .rev()
-            .zip(formatted[prefix_length.to_usize()..].chars().rev())
-        {
-            if old != new {
-                break;
-            }
-            suffix_length += old.text_len();
-        }
-
-        let unformatted_range =
-            TextRange::new(prefix_length, unformatted.text_len() - suffix_length);
-        let formatted_range = TextRange::new(prefix_length, formatted.text_len() - suffix_length);
-
-        Self {
-            unformatted: unformatted_range,
-            formatted: formatted_range,
-        }
-    }
-}
-
 pub(super) fn warn_incompatible_formatter_settings(resolver: &Resolver) {
     // First, collect all rules that are incompatible regardless of the linter-specific settings.
     let mut incompatible_rules = FxHashSet::default();
@@ -1225,144 +963,3 @@ pub(super) fn warn_incompatible_formatter_settings(resolver: &Resolver) {
         }
     }
 }
-
-#[cfg(test)]
-mod tests {
-    use std::io;
-    use std::ops::Range;
-    use std::path::PathBuf;
-
-    use ignore::Error;
-    use insta::assert_snapshot;
-
-    use ruff_db::panic::catch_unwind;
-    use ruff_linter::logging::DisplayParseError;
-    use ruff_linter::source_kind::{SourceError, SourceKind};
-    use ruff_python_formatter::FormatModuleError;
-    use ruff_python_parser::{ParseError, ParseErrorType};
-    use ruff_text_size::{TextRange, TextSize};
-    use test_case::test_case;
-
-    use crate::commands::format::{FormatCommandError, FormatMode, FormatResults, ModifiedRange};
-
-    #[test]
-    fn error_diagnostics() -> anyhow::Result<()> {
-        let path = PathBuf::from("test.py");
-        let source_kind = SourceKind::Python("1".to_string());
-
-        let panic_error = catch_unwind(|| {
-            panic!("Test panic for FormatCommandError");
-        })
-        .unwrap_err();
-
-        let errors = [
-            FormatCommandError::Ignore(Error::WithPath {
-                path: path.clone(),
-                err: Box::new(Error::Io(io::Error::new(
-                    io::ErrorKind::PermissionDenied,
-                    "Permission denied",
-                ))),
-            }),
-            FormatCommandError::Parse(DisplayParseError::from_source_kind(
-                ParseError {
-                    error: ParseErrorType::UnexpectedIndentation,
-                    location: TextRange::default(),
-                },
-                Some(path.clone()),
-                &source_kind,
-            )),
-            FormatCommandError::Panic(Some(path.clone()), Box::new(panic_error)),
-            FormatCommandError::Read(
-                Some(path.clone()),
-                SourceError::Io(io::Error::new(io::ErrorKind::NotFound, "File not found")),
-            ),
-            FormatCommandError::Format(
-                Some(path.clone()),
-                FormatModuleError::ParseError(ParseError {
-                    error: ParseErrorType::EmptySlice,
-                    location: TextRange::default(),
-                }),
-            ),
-            FormatCommandError::Write(
-                Some(path.clone()),
-                SourceError::Io(io::Error::new(
-                    io::ErrorKind::PermissionDenied,
-                    "Cannot write to file",
-                )),
-            ),
-            FormatCommandError::RangeFormatNotebook(Some(path)),
-        ];
-
-        let results = FormatResults::new(&[], FormatMode::Check);
-        let mut buf = Vec::new();
-        results.write_changed_preview(
-            &mut buf,
-            ruff_linter::settings::types::OutputFormat::Full,
-            &errors,
-        )?;
-
-        let mut settings = insta::Settings::clone_current();
-        settings.add_filter(r"(Panicked at) [^:]+:\d+:\d+", "$1 <location>");
-        let _s = settings.bind_to_scope();
-
-        assert_snapshot!(str::from_utf8(&buf)?, @"
-        io: test.py: Permission denied
-        --> test.py:1:1
-
-        invalid-syntax: Unexpected indentation
-        --> test.py:1:1
-
-        io: File not found
-        --> test.py:1:1
-
-        internal-error: Expected index or slice expression
-        --> test.py:1:1
-
-        io: Cannot write to file
-        --> test.py:1:1
-
-        invalid-cli-option: Range formatting isn't supported for notebooks.
-        --> test.py:1:1
-
-        panic: Panicked at <location> when checking `test.py`: `Test panic for FormatCommandError`
-        --> test.py:1:1
-        info: This indicates a bug in Ruff.
-        info: If you could open an issue at https://github.com/astral-sh/ruff/issues/new?title=%5Bpanic%5D, we'd be very appreciative!
-        info: run with `RUST_BACKTRACE=1` environment variable to show the full backtrace information
-        ");
-
-        Ok(())
-    }
-
-    #[test_case("abcdef", "abcXYdef", 3..3, 3..5; "insertion")]
-    #[test_case("abcXYdef", "abcdef", 3..5, 3..3; "deletion")]
-    #[test_case("abcXdef", "abcYdef", 3..4, 3..4; "modification")]
-    #[test_case("abc", "abcX", 3..3, 3..4; "strict_prefix")]
-    #[test_case("", "", 0..0, 0..0; "empty")]
-    #[test_case("abc", "abc", 3..3, 3..3; "equal")]
-    fn modified_range(
-        unformatted: &str,
-        formatted: &str,
-        expect_unformatted: Range<u32>,
-        expect_formatted: Range<u32>,
-    ) {
-        let mr = ModifiedRange::new(
-            &SourceKind::Python(unformatted.to_string()),
-            &SourceKind::Python(formatted.to_string()),
-        );
-        assert_eq!(
-            mr.unformatted,
-            TextRange::new(
-                TextSize::new(expect_unformatted.start),
-                TextSize::new(expect_unformatted.end)
-            )
-        );
-        assert_eq!(
-            mr.formatted,
-            TextRange::new(
-                TextSize::new(expect_formatted.start),
-                TextSize::new(expect_formatted.end)
-            )
-        );
-    }
-}

crates/ruff/src/commands/format_stdin.rs

@@ -4,10 +4,10 @@ use std::path::Path;
 use anyhow::Result;
 use log::error;
 
-use ruff_linter::source_kind::{SourceError, SourceKind};
+use ruff_linter::source_kind::SourceKind;
 use ruff_python_ast::{PySourceType, SourceType};
 use ruff_workspace::FormatterSettings;
-use ruff_workspace::resolver::{PyprojectConfig, Resolver, match_exclusion, python_file_at_path};
+use ruff_workspace::resolver::{Resolver, match_exclusion, python_file_at_path};
 
 use crate::ExitStatus;
 use crate::args::{ConfigArguments, FormatArguments, FormatRange};
@@ -15,15 +15,17 @@ use crate::commands::format::{
     FormatCommandError, FormatMode, FormatResult, FormattedSource, format_source,
     warn_incompatible_formatter_settings,
 };
+use crate::resolve::resolve;
 use crate::stdin::{parrot_stdin, read_from_stdin};
 
 /// Run the formatter over a single file, read from `stdin`.
 pub(crate) fn format_stdin(
     cli: &FormatArguments,
     config_arguments: &ConfigArguments,
-    pyproject_config: &PyprojectConfig,
 ) -> Result<ExitStatus> {
-    let mut resolver = Resolver::new(pyproject_config);
+    let pyproject_config = resolve(config_arguments, cli.stdin_filename.as_deref())?;
+
+    let mut resolver = Resolver::new(&pyproject_config);
     warn_incompatible_formatter_settings(&resolver);
 
     let mode = FormatMode::from_cli(cli);
@@ -122,9 +124,7 @@ fn format_source_code(
                     "{}",
                     source_kind.diff(formatted, path).unwrap()
                 )
-                .map_err(|err| {
-                    FormatCommandError::Write(path.map(Path::to_path_buf), SourceError::Io(err))
-                })?;
+                .map_err(|err| FormatCommandError::Diff(path.map(Path::to_path_buf), err))?;
             }
         },
         FormattedSource::Unchanged => {

crates/ruff/src/commands/linter.rs

@@ -16,8 +16,6 @@ struct LinterInfo {
     prefix: &'static str,
     name: &'static str,
     #[serde(skip_serializing_if = "Option::is_none")]
-    url: Option<&'static str>,
-    #[serde(skip_serializing_if = "Option::is_none")]
     categories: Option<Vec<LinterCategoryInfo>>,
 }
 
@@ -52,7 +50,6 @@ pub(crate) fn linter(format: HelpFormat) -> Result<()> {
                 .map(|linter_info| LinterInfo {
                     prefix: linter_info.common_prefix(),
                     name: linter_info.name(),
-                    url: linter_info.url(),
                     categories: linter_info.upstream_categories().map(|cats| {
                         cats.iter()
                             .map(|c| LinterCategoryInfo {

crates/ruff/src/commands/rule.rs

@@ -7,7 +7,6 @@ use serde::{Serialize, Serializer};
 use strum::IntoEnumIterator;
 
 use ruff_linter::FixAvailability;
-use ruff_linter::codes::RuleGroup;
 use ruff_linter::registry::{Linter, Rule, RuleNamespace};
 
 use crate::args::HelpFormat;
@@ -20,12 +19,9 @@ struct Explanation<'a> {
     summary: &'a str,
     message_formats: &'a [&'a str],
     fix: String,
-    fix_availability: FixAvailability,
     #[expect(clippy::struct_field_names)]
     explanation: Option<&'a str>,
     preview: bool,
-    status: RuleGroup,
-    source_location: SourceLocation,
 }
 
 impl<'a> Explanation<'a> {
@@ -40,14 +36,8 @@ impl<'a> Explanation<'a> {
             summary: rule.message_formats()[0],
             message_formats: rule.message_formats(),
             fix,
-            fix_availability: rule.fixable(),
             explanation: rule.explanation(),
             preview: rule.is_preview(),
-            status: rule.group(),
-            source_location: SourceLocation {
-                file: rule.file(),
-                line: rule.line(),
-            },
         }
     }
 }
@@ -132,14 +122,3 @@ pub(crate) fn rules(format: HelpFormat) -> Result<()> {
     }
     Ok(())
 }
-
-/// The location of the rule's implementation in the Ruff source tree, relative to the repository
-/// root.
-///
-/// For most rules this will point to the `#[derive(ViolationMetadata)]` line above the rule's
-/// struct.
-#[derive(Serialize)]
-struct SourceLocation {
-    file: &'static str,
-    line: u32,
-}

crates/ruff/src/commands/show_settings.rs

@@ -29,10 +29,10 @@ pub(crate) fn show_settings(
         bail!("No files found under the given path");
     };
 
-    let (settings, config_path) = resolver.resolve_with_path(&path);
+    let settings = resolver.resolve(&path);
 
     writeln!(writer, "Resolved settings for: \"{}\"", path.display())?;
-    if let Some(settings_path) = config_path {
+    if let Some(settings_path) = pyproject_config.path.as_ref() {
         writeln!(writer, "Settings path: \"{}\"", settings_path.display())?;
     }
     write!(writer, "{settings}")?;

crates/ruff/src/commands/snapshots/ruff__commands__check__test__E902_E902.py.snap

@@ -4,3 +4,4 @@ source: crates/ruff/src/commands/check.rs
 /home/ferris/project/code.py:1:1: E902 Permission denied (os error 13)
 /home/ferris/project/notebook.ipynb:1:1: E902 Permission denied (os error 13)
 /home/ferris/project/pyproject.toml:1:1: E902 Permission denied (os error 13)
+

crates/ruff/src/diagnostics.rs

@@ -10,7 +10,9 @@ use std::path::Path;
 use anyhow::{Context, Result};
 use colored::Colorize;
 use log::{debug, warn};
-use ruff_db::diagnostic::Diagnostic;
+use rustc_hash::FxHashMap;
+
+use ruff_linter::OldDiagnostic;
 use ruff_linter::codes::Rule;
 use ruff_linter::linter::{FixTable, FixerResult, LinterResult, ParseSource, lint_fix, lint_only};
 use ruff_linter::package::PackageRoot;
@@ -18,32 +20,25 @@ use ruff_linter::pyproject_toml::lint_pyproject_toml;
 use ruff_linter::settings::types::UnsafeFixes;
 use ruff_linter::settings::{LinterSettings, flags};
 use ruff_linter::source_kind::{SourceError, SourceKind};
-use ruff_linter::{IOError, Violation, fs};
-use ruff_notebook::{NotebookError, NotebookIndex};
+use ruff_linter::{IOError, fs};
+use ruff_notebook::{Notebook, NotebookError, NotebookIndex};
 use ruff_python_ast::{PySourceType, SourceType, TomlSourceType};
 use ruff_source_file::SourceFileBuilder;
 use ruff_text_size::TextRange;
 use ruff_workspace::Settings;
-use rustc_hash::FxHashMap;
 
-use crate::cache::{Cache, FileCache, FileCacheKey};
+use crate::cache::{Cache, FileCacheKey, LintCacheData};
 
-/// A collection of [`Diagnostic`]s and additional information needed to render them.
-///
-/// Note that `notebook_indexes` may be empty if there are no diagnostics because the
-/// `NotebookIndex` isn't cached in this case. This isn't a problem for any current uses as of
-/// 2025-08-12, which are all related to diagnostic rendering, but could be surprising if used
-/// differently in the future.
 #[derive(Debug, Default, PartialEq)]
 pub(crate) struct Diagnostics {
-    pub(crate) inner: Vec<Diagnostic>,
+    pub(crate) inner: Vec<OldDiagnostic>,
     pub(crate) fixed: FixMap,
     pub(crate) notebook_indexes: FxHashMap<String, NotebookIndex>,
 }
 
 impl Diagnostics {
     pub(crate) fn new(
-        diagnostics: Vec<Diagnostic>,
+        diagnostics: Vec<OldDiagnostic>,
         notebook_indexes: FxHashMap<String, NotebookIndex>,
     ) -> Self {
         Self {
@@ -67,12 +62,13 @@ impl Diagnostics {
                     let name = path.map_or_else(|| "-".into(), Path::to_string_lossy);
                     let source_file = SourceFileBuilder::new(name, "").finish();
                     Self::new(
-                        vec![
+                        vec![OldDiagnostic::new(
                             IOError {
                                 message: err.to_string(),
-                            }
-                            .into_diagnostic(TextRange::default(), &source_file),
-                        ],
+                            },
+                            TextRange::default(),
+                            &source_file,
+                        )],
                         FxHashMap::default(),
                     )
                 } else {
@@ -102,7 +98,11 @@ impl Diagnostics {
                 let name = path.map_or_else(|| "-".into(), Path::to_string_lossy);
                 let dummy = SourceFileBuilder::new(name, "").finish();
                 Self::new(
-                    vec![Diagnostic::invalid_syntax(dummy, err, TextRange::default())],
+                    vec![OldDiagnostic::syntax_error(
+                        err,
+                        TextRange::default(),
+                        dummy,
+                    )],
                     FxHashMap::default(),
                 )
             }
@@ -194,9 +194,19 @@ pub(crate) fn lint_path(
             let cache_key = FileCacheKey::from_path(path).context("Failed to create cache key")?;
             let cached_diagnostics = cache
                 .get(relative_path, &cache_key)
-                .is_some_and(FileCache::linted);
-            if cached_diagnostics {
-                return Ok(Diagnostics::default());
+                .and_then(|entry| entry.to_diagnostics(path));
+            if let Some(diagnostics) = cached_diagnostics {
+                // `FixMode::Generate` and `FixMode::Diff` rely on side-effects (writing to disk,
+                // and writing the diff to stdout, respectively). If a file has diagnostics, we
+                // need to avoid reading from and writing to the cache in these modes.
+                if match fix_mode {
+                    flags::FixMode::Generate => true,
+                    flags::FixMode::Apply | flags::FixMode::Diff => {
+                        diagnostics.inner.is_empty() && diagnostics.fixed.is_empty()
+                    }
+                } {
+                    return Ok(diagnostics);
+                }
             }
 
             // Stash the file metadata for later so when we update the cache it reflects the prerun
@@ -313,21 +323,31 @@ pub(crate) fn lint_path(
             (result, transformed, fixed)
         };
 
+    let has_error = result.has_syntax_errors();
     let diagnostics = result.diagnostics;
 
     if let Some((cache, relative_path, key)) = caching {
-        // `FixMode::Apply` and `FixMode::Diff` rely on side-effects (writing to disk,
-        // and writing the diff to stdout, respectively). If a file has diagnostics
-        // with fixes, we need to avoid reading from and writing to the cache in these
-        // modes.
-        let use_fixes = match fix_mode {
-            flags::FixMode::Generate => true,
-            flags::FixMode::Apply | flags::FixMode::Diff => fixed.is_empty(),
-        };
-
-        // We don't cache files with diagnostics.
-        let linted = diagnostics.is_empty() && use_fixes;
-        cache.set_linted(relative_path.to_owned(), &key, linted);
+        // We don't cache parsing errors.
+        if !has_error {
+            // `FixMode::Apply` and `FixMode::Diff` rely on side-effects (writing to disk,
+            // and writing the diff to stdout, respectively). If a file has diagnostics, we
+            // need to avoid reading from and writing to the cache in these modes.
+            if match fix_mode {
+                flags::FixMode::Generate => true,
+                flags::FixMode::Apply | flags::FixMode::Diff => {
+                    diagnostics.is_empty() && fixed.is_empty()
+                }
+            } {
+                cache.update_lint(
+                    relative_path.to_owned(),
+                    &key,
+                    LintCacheData::from_diagnostics(
+                        &diagnostics,
+                        transformed.as_ipy_notebook().map(Notebook::index).cloned(),
+                    ),
+                );
+            }
+        }
     }
 
     let notebook_indexes = if let SourceKind::IpyNotebook(notebook) = transformed {

crates/ruff/src/lib.rs

@@ -9,11 +9,10 @@ use std::sync::mpsc::channel;
 use anyhow::Result;
 use clap::CommandFactory;
 use colored::Colorize;
-use log::error;
+use log::warn;
 use notify::{RecursiveMode, Watcher, recommended_watcher};
 
 use args::{GlobalConfigArgs, ServerCommand};
-use ruff_db::diagnostic::{Diagnostic, Severity};
 use ruff_linter::logging::{LogLevel, set_up_logging};
 use ruff_linter::settings::flags::FixMode;
 use ruff_linter::settings::types::OutputFormat;
@@ -132,7 +131,6 @@ pub fn run(
     }: Args,
 ) -> Result<ExitStatus> {
     {
-        ruff_db::set_program_version(crate::version::version().to_string()).unwrap();
         let default_panic_hook = std::panic::take_hook();
         std::panic::set_hook(Box::new(move |info| {
             #[expect(clippy::print_stderr)]
@@ -205,18 +203,12 @@ pub fn run(
 }
 
 fn format(args: FormatCommand, global_options: GlobalConfigArgs) -> Result<ExitStatus> {
-    let cli_output_format_set = args.output_format.is_some();
     let (cli, config_arguments) = args.partition(global_options)?;
-    let pyproject_config = resolve::resolve(&config_arguments, cli.stdin_filename.as_deref())?;
-    if cli_output_format_set && !pyproject_config.settings.formatter.preview.is_enabled() {
-        warn_user_once!(
-            "The --output-format flag for the formatter is unstable and requires preview mode to use."
-        );
-    }
+
     if is_stdin(&cli.files, cli.stdin_filename.as_deref()) {
-        commands::format_stdin::format_stdin(&cli, &config_arguments, &pyproject_config)
+        commands::format_stdin::format_stdin(&cli, &config_arguments)
     } else {
-        commands::format::format(cli, &config_arguments, &pyproject_config)
+        commands::format::format(cli, &config_arguments)
     }
 }
 
@@ -319,20 +311,12 @@ pub fn check(args: CheckCommand, global_options: GlobalConfigArgs) -> Result<Exi
         warn_user!("Detected debug build without --no-cache.");
     }
 
-    if let Some(reason) = &cli.add_noqa {
+    if cli.add_noqa {
         if !fix_mode.is_generate() {
             warn_user!("--fix is incompatible with --add-noqa.");
         }
-        if reason.contains(['\n', '\r']) {
-            return Err(anyhow::anyhow!(
-                "--add-noqa <reason> cannot contain newline characters"
-            ));
-        }
-
-        let reason_opt = (!reason.is_empty()).then_some(reason.as_str());
-
         let modifications =
-            commands::add_noqa::add_noqa(&files, &pyproject_config, &config_arguments, reason_opt)?;
+            commands::add_noqa::add_noqa(&files, &pyproject_config, &config_arguments)?;
         if modifications > 0 && config_arguments.log_level >= LogLevel::Default {
             let s = if modifications == 1 { "" } else { "s" };
             #[expect(clippy::print_stderr)]
@@ -455,31 +439,10 @@ pub fn check(args: CheckCommand, global_options: GlobalConfigArgs) -> Result<Exi
         if cli.statistics {
             printer.write_statistics(&diagnostics, &mut summary_writer)?;
         } else {
-            printer.write_once(&diagnostics, &mut summary_writer, preview)?;
+            printer.write_once(&diagnostics, &mut summary_writer)?;
         }
 
         if !cli.exit_zero {
-            let max_severity = diagnostics
-                .inner
-                .iter()
-                .map(Diagnostic::severity)
-                .max()
-                .unwrap_or(Severity::Info);
-            if max_severity.is_fatal() {
-                // When a panic/fatal error is reported, prompt the user to open an issue on github.
-                // Diagnostics with severity `fatal` will be sorted to the bottom, and printing the
-                // message here instead of attaching it to the diagnostic ensures that we only print
-                // it once instead of repeating it for each diagnostic. Prints to stderr to prevent
-                // the message from being captured by tools parsing the normal output.
-                let message = "Panic during linting indicates a bug in Ruff. If you could open an issue at:
-
-https://github.com/astral-sh/ruff/issues/new?title=%5BLinter%20panic%5D
-
-...with the relevant file contents, the `pyproject.toml` settings, and the stack trace above, we'd be very appreciative!
-";
-                error!("{message}");
-                return Ok(ExitStatus::Error);
-            }
             if cli.diff {
                 // If we're printing a diff, we always want to exit non-zero if there are
                 // any fixable violations (since we've printed the diff, but not applied the

crates/ruff/src/main.rs

@@ -1,7 +1,6 @@
 use std::io::Write;
 use std::process::ExitCode;
 
-use anyhow::Context;
 use clap::Parser;
 use colored::Colorize;
 
@@ -20,8 +19,7 @@ static GLOBAL: mimalloc::MiMalloc = mimalloc::MiMalloc;
     any(
         target_arch = "x86_64",
         target_arch = "aarch64",
-        target_arch = "powerpc64",
-        target_arch = "riscv64"
+        target_arch = "powerpc64"
     )
 ))]
 #[global_allocator]
@@ -40,46 +38,39 @@ pub fn main() -> ExitCode {
     }
 
     let args = wild::args_os();
-    let args = match argfile::expand_args_from(args, argfile::parse_fromfile, argfile::PREFIX)
-        .context("Failed to read CLI arguments from files")
-    {
-        Ok(args) => args,
-        Err(err) => return report_error(&err),
-    };
+    let args = argfile::expand_args_from(args, argfile::parse_fromfile, argfile::PREFIX).unwrap();
 
     let args = Args::parse_from(args);
 
     match run(args) {
         Ok(code) => code.into(),
-        Err(err) => report_error(&err),
-    }
-}
+        Err(err) => {
+            {
+                // Exit "gracefully" on broken pipe errors.
+                //
+                // See: https://github.com/BurntSushi/ripgrep/blob/bf63fe8f258afc09bae6caa48f0ae35eaf115005/crates/core/main.rs#L47C1-L61C14
+                for cause in err.chain() {
+                    if let Some(ioerr) = cause.downcast_ref::<std::io::Error>() {
+                        if ioerr.kind() == std::io::ErrorKind::BrokenPipe {
+                            return ExitCode::from(0);
+                        }
+                    }
+                }
 
-fn report_error(err: &anyhow::Error) -> ExitCode {
-    {
-        // Exit "gracefully" on broken pipe errors.
-        //
-        // See: https://github.com/BurntSushi/ripgrep/blob/bf63fe8f258afc09bae6caa48f0ae35eaf115005/crates/core/main.rs#L47C1-L61C14
-        for cause in err.chain() {
-            if let Some(ioerr) = cause.downcast_ref::<std::io::Error>() {
-                if ioerr.kind() == std::io::ErrorKind::BrokenPipe {
-                    return ExitCode::from(0);
+                // Use `writeln` instead of `eprintln` to avoid panicking when the stderr pipe is broken.
+                let mut stderr = std::io::stderr().lock();
+
+                // This communicates that this isn't a linter error but ruff itself hard-errored for
+                // some reason (e.g. failed to resolve the configuration)
+                writeln!(stderr, "{}", "ruff failed".red().bold()).ok();
+                // Currently we generally only see one error, but e.g. with io errors when resolving
+                // the configuration it is help to chain errors ("resolving configuration failed" ->
+                // "failed to read file: subdir/pyproject.toml")
+                for cause in err.chain() {
+                    writeln!(stderr, "  {} {cause}", "Cause:".bold()).ok();
                 }
             }
-        }
-
-        // Use `writeln` instead of `eprintln` to avoid panicking when the stderr pipe is broken.
-        let mut stderr = std::io::stderr().lock();
-
-        // This communicates that this isn't a linter error but ruff itself hard-errored for
-        // some reason (e.g. failed to resolve the configuration)
-        writeln!(stderr, "{}", "ruff failed".red().bold()).ok();
-        // Currently we generally only see one error, but e.g. with io errors when resolving
-        // the configuration it is help to chain errors ("resolving configuration failed" ->
-        // "failed to read file: subdir/pyproject.toml")
-        for cause in err.chain() {
-            writeln!(stderr, "  {} {cause}", "Cause:".bold()).ok();
+            ExitStatus::Error.into()
         }
     }
-    ExitStatus::Error.into()
 }

crates/ruff/src/printer.rs

@@ -6,13 +6,17 @@ use anyhow::Result;
 use bitflags::bitflags;
 use colored::Colorize;
 use itertools::{Itertools, iterate};
+use ruff_linter::codes::NoqaCode;
 use ruff_linter::linter::FixTable;
 use serde::Serialize;
 
-use ruff_db::diagnostic::{Diagnostic, DisplayDiagnosticConfig, SecondaryCode};
 use ruff_linter::fs::relativize_path;
 use ruff_linter::logging::LogLevel;
-use ruff_linter::message::{EmitterContext, render_diagnostics};
+use ruff_linter::message::{
+    AzureEmitter, Emitter, EmitterContext, GithubEmitter, GitlabEmitter, GroupedEmitter,
+    JsonEmitter, JsonLinesEmitter, JunitEmitter, OldDiagnostic, PylintEmitter, RdjsonEmitter,
+    SarifEmitter, TextEmitter,
+};
 use ruff_linter::notify_user;
 use ruff_linter::settings::flags::{self};
 use ruff_linter::settings::types::{OutputFormat, UnsafeFixes};
@@ -26,29 +30,19 @@ bitflags! {
         const SHOW_VIOLATIONS = 1 << 0;
         /// Whether to show a summary of the fixed violations when emitting diagnostics.
         const SHOW_FIX_SUMMARY = 1 << 1;
+        /// Whether to show a diff of each fixed violation when emitting diagnostics.
+        const SHOW_FIX_DIFF = 1 << 2;
     }
 }
 
 #[derive(Serialize)]
-struct ExpandedStatistics<'a> {
-    code: Option<&'a SecondaryCode>,
+struct ExpandedStatistics {
+    code: Option<NoqaCode>,
     name: &'static str,
     count: usize,
-    #[serde(rename = "fixable")]
-    all_fixable: bool,
-    fixable_count: usize,
+    fixable: bool,
 }
 
-impl ExpandedStatistics<'_> {
-    fn any_fixable(&self) -> bool {
-        self.fixable_count > 0
-    }
-}
-
-/// Accumulator type for grouping diagnostics by code.
-/// Format: (`code`, `representative_diagnostic`, `total_count`, `fixable_count`)
-type DiagnosticGroup<'a> = (Option<&'a SecondaryCode>, &'a Diagnostic, usize, usize);
-
 pub(crate) struct Printer {
     format: OutputFormat,
     log_level: LogLevel,
@@ -145,7 +139,7 @@ impl Printer {
                         if fixables.applicable > 0 {
                             writeln!(
                                 writer,
-                                "{fix_prefix} {} fixable with the `--fix` option.",
+                                "{fix_prefix} {} fixable with the --fix option.",
                                 fixables.applicable
                             )?;
                         }
@@ -208,7 +202,6 @@ impl Printer {
         &self,
         diagnostics: &Diagnostics,
         writer: &mut dyn Write,
-        preview: bool,
     ) -> Result<()> {
         if matches!(self.log_level, LogLevel::Silent) {
             return Ok(());
@@ -234,28 +227,67 @@ impl Printer {
         let context = EmitterContext::new(&diagnostics.notebook_indexes);
         let fixables = FixableStatistics::try_from(diagnostics, self.unsafe_fixes);
 
-        let config = DisplayDiagnosticConfig::default()
-            .preview(preview)
-            .hide_severity(true)
-            .color(!cfg!(test) && colored::control::SHOULD_COLORIZE.should_colorize())
-            .with_show_fix_status(show_fix_status(self.fix_mode, fixables.as_ref()))
-            .with_fix_applicability(self.unsafe_fixes.required_applicability())
-            .show_fix_diff(preview);
-
-        render_diagnostics(writer, self.format, config, &context, &diagnostics.inner)?;
-
-        if matches!(
-            self.format,
-            OutputFormat::Full | OutputFormat::Concise | OutputFormat::Grouped
-        ) {
-            if self.flags.intersects(Flags::SHOW_FIX_SUMMARY) {
-                if !diagnostics.fixed.is_empty() {
-                    writeln!(writer)?;
-                    print_fix_summary(writer, &diagnostics.fixed)?;
-                    writeln!(writer)?;
-                }
+        match self.format {
+            OutputFormat::Json => {
+                JsonEmitter.emit(writer, &diagnostics.inner, &context)?;
+            }
+            OutputFormat::Rdjson => {
+                RdjsonEmitter.emit(writer, &diagnostics.inner, &context)?;
+            }
+            OutputFormat::JsonLines => {
+                JsonLinesEmitter.emit(writer, &diagnostics.inner, &context)?;
+            }
+            OutputFormat::Junit => {
+                JunitEmitter.emit(writer, &diagnostics.inner, &context)?;
+            }
+            OutputFormat::Concise | OutputFormat::Full => {
+                TextEmitter::default()
+                    .with_show_fix_status(show_fix_status(self.fix_mode, fixables.as_ref()))
+                    .with_show_fix_diff(self.flags.intersects(Flags::SHOW_FIX_DIFF))
+                    .with_show_source(self.format == OutputFormat::Full)
+                    .with_unsafe_fixes(self.unsafe_fixes)
+                    .emit(writer, &diagnostics.inner, &context)?;
+
+                if self.flags.intersects(Flags::SHOW_FIX_SUMMARY) {
+                    if !diagnostics.fixed.is_empty() {
+                        writeln!(writer)?;
+                        print_fix_summary(writer, &diagnostics.fixed)?;
+                        writeln!(writer)?;
+                    }
+                }
+
+                self.write_summary_text(writer, diagnostics)?;
+            }
+            OutputFormat::Grouped => {
+                GroupedEmitter::default()
+                    .with_show_fix_status(show_fix_status(self.fix_mode, fixables.as_ref()))
+                    .with_unsafe_fixes(self.unsafe_fixes)
+                    .emit(writer, &diagnostics.inner, &context)?;
+
+                if self.flags.intersects(Flags::SHOW_FIX_SUMMARY) {
+                    if !diagnostics.fixed.is_empty() {
+                        writeln!(writer)?;
+                        print_fix_summary(writer, &diagnostics.fixed)?;
+                        writeln!(writer)?;
+                    }
+                }
+                self.write_summary_text(writer, diagnostics)?;
+            }
+            OutputFormat::Github => {
+                GithubEmitter.emit(writer, &diagnostics.inner, &context)?;
+            }
+            OutputFormat::Gitlab => {
+                GitlabEmitter::default().emit(writer, &diagnostics.inner, &context)?;
+            }
+            OutputFormat::Pylint => {
+                PylintEmitter.emit(writer, &diagnostics.inner, &context)?;
+            }
+            OutputFormat::Azure => {
+                AzureEmitter.emit(writer, &diagnostics.inner, &context)?;
+            }
+            OutputFormat::Sarif => {
+                SarifEmitter.emit(writer, &diagnostics.inner, &context)?;
             }
-            self.write_summary_text(writer, diagnostics)?;
         }
 
         writer.flush()?;
@@ -268,41 +300,35 @@ impl Printer {
         diagnostics: &Diagnostics,
         writer: &mut dyn Write,
     ) -> Result<()> {
-        let required_applicability = self.unsafe_fixes.required_applicability();
         let statistics: Vec<ExpandedStatistics> = diagnostics
             .inner
             .iter()
-            .sorted_by_key(|diagnostic| diagnostic.secondary_code())
-            .fold(vec![], |mut acc: Vec<DiagnosticGroup>, diagnostic| {
-                let is_fixable = diagnostic
-                    .fix()
-                    .is_some_and(|fix| fix.applies(required_applicability));
-                let code = diagnostic.secondary_code();
-
-                if let Some((prev_code, _prev_message, count, fixable_count)) = acc.last_mut() {
-                    if *prev_code == code {
-                        *count += 1;
-                        if is_fixable {
-                            *fixable_count += 1;
+            .map(|message| (message.noqa_code(), message))
+            .sorted_by_key(|(code, message)| (*code, message.fixable()))
+            .fold(
+                vec![],
+                |mut acc: Vec<((Option<NoqaCode>, &OldDiagnostic), usize)>, (code, message)| {
+                    if let Some(((prev_code, _prev_message), count)) = acc.last_mut() {
+                        if *prev_code == code {
+                            *count += 1;
+                            return acc;
                         }
-                        return acc;
                     }
-                }
-                acc.push((code, diagnostic, 1, usize::from(is_fixable)));
-                acc
-            })
-            .iter()
-            .map(
-                |&(code, message, count, fixable_count)| ExpandedStatistics {
-                    code,
-                    name: message.name(),
-                    count,
-                    // Backward compatibility: `fixable` is true only when all violations are fixable.
-                    // See: https://github.com/astral-sh/ruff/pull/21513
-                    all_fixable: fixable_count == count,
-                    fixable_count,
+                    acc.push(((code, message), 1));
+                    acc
                 },
             )
+            .iter()
+            .map(|&((code, message), count)| ExpandedStatistics {
+                code,
+                name: message.name(),
+                count,
+                fixable: if let Some(fix) = message.fix() {
+                    fix.applies(self.unsafe_fixes.required_applicability())
+                } else {
+                    false
+                },
+            })
             .sorted_by_key(|statistic| Reverse(statistic.count))
             .collect();
 
@@ -323,32 +349,33 @@ impl Printer {
                 );
                 let code_width = statistics
                     .iter()
-                    .map(|statistic| statistic.code.map_or(0, |s| s.len()))
+                    .map(|statistic| {
+                        statistic
+                            .code
+                            .map_or_else(String::new, |rule| rule.to_string())
+                            .len()
+                    })
                     .max()
                     .unwrap();
-                let any_fixable = statistics.iter().any(ExpandedStatistics::any_fixable);
+                let any_fixable = statistics.iter().any(|statistic| statistic.fixable);
 
-                let all_fixable = format!("[{}] ", "*".cyan());
-                let partially_fixable = format!("[{}] ", "-".cyan());
+                let fixable = format!("[{}] ", "*".cyan());
                 let unfixable = "[ ] ";
 
                 // By default, we mimic Flake8's `--statistics` format.
-                for statistic in &statistics {
+                for statistic in statistics {
                     writeln!(
                         writer,
                         "{:>count_width$}\t{:<code_width$}\t{}{}",
                         statistic.count.to_string().bold(),
                         statistic
                             .code
-                            .map(SecondaryCode::as_str)
-                            .unwrap_or_default()
+                            .map_or_else(String::new, |rule| rule.to_string())
                             .red()
                             .bold(),
                         if any_fixable {
-                            if statistic.all_fixable {
-                                &all_fixable
-                            } else if statistic.any_fixable() {
-                                &partially_fixable
+                            if statistic.fixable {
+                                &fixable
                             } else {
                                 unfixable
                             }
@@ -408,19 +435,11 @@ impl Printer {
             }
 
             let context = EmitterContext::new(&diagnostics.notebook_indexes);
-            let format = if preview {
-                self.format
-            } else {
-                OutputFormat::Concise
-            };
-            let config = DisplayDiagnosticConfig::default()
-                .preview(preview)
-                .hide_severity(true)
-                .color(!cfg!(test) && colored::control::SHOULD_COLORIZE.should_colorize())
+            TextEmitter::default()
                 .with_show_fix_status(show_fix_status(self.fix_mode, fixables.as_ref()))
-                .with_fix_applicability(self.unsafe_fixes.required_applicability())
-                .show_fix_diff(preview);
-            render_diagnostics(writer, format, config, &context, &diagnostics.inner)?;
+                .with_show_source(preview)
+                .with_unsafe_fixes(self.unsafe_fixes)
+                .emit(writer, &diagnostics.inner, &context)?;
         }
         writer.flush()?;
 

crates/ruff/src/snapshots/ruff__version__tests__version_formatting.snap

@@ -1,5 +1,6 @@
 ---
 source: crates/ruff/src/version.rs
 expression: version
+snapshot_kind: text
 ---
 0.0.0

crates/ruff/src/snapshots/ruff__version__tests__version_formatting_with_commit_info.snap

@@ -1,5 +1,6 @@
 ---
 source: crates/ruff/src/version.rs
 expression: version
+snapshot_kind: text
 ---
 0.0.0 (53b0f5d92 2023-10-19)

crates/ruff/src/snapshots/ruff__version__tests__version_formatting_with_commits_since_last_tag.snap

@@ -1,5 +1,6 @@
 ---
 source: crates/ruff/src/version.rs
 expression: version
+snapshot_kind: text
 ---
 0.0.0+24 (53b0f5d92 2023-10-19)

crates/ruff/src/snapshots/ruff__version__tests__version_serializable.snap

@@ -1,6 +1,7 @@
 ---
 source: crates/ruff/src/version.rs
 expression: version
+snapshot_kind: text
 ---
 {
   "version": "0.0.0",

crates/ruff/tests/analyze_graph.rs

@@ -17,7 +17,6 @@ fn command() -> Command {
     command.arg("analyze");
     command.arg("graph");
     command.arg("--preview");
-    command.env_clear();
     command
 }
 
@@ -57,40 +56,33 @@ fn dependencies() -> Result<()> {
         .write_str(indoc::indoc! {r#"
         def f(): pass
     "#})?;
-    root.child("ruff")
-        .child("e.pyi")
-        .write_str(indoc::indoc! {r#"
-        def f() -> None: ...
-    "#})?;
 
     insta::with_settings!({
         filters => INSTA_FILTERS.to_vec(),
     }, {
-        assert_cmd_snapshot!(command().current_dir(&root), @r#"
-        success: true
-        exit_code: 0
-        ----- stdout -----
-        {
-          "ruff/__init__.py": [],
-          "ruff/a.py": [
-            "ruff/b.py"
-          ],
-          "ruff/b.py": [
-            "ruff/c.py"
-          ],
-          "ruff/c.py": [
-            "ruff/d.py"
-          ],
-          "ruff/d.py": [
-            "ruff/e.py",
-            "ruff/e.pyi"
-          ],
-          "ruff/e.py": [],
-          "ruff/e.pyi": []
-        }
+        assert_cmd_snapshot!(command().current_dir(&root), @r###"
+            success: true
+            exit_code: 0
+            ----- stdout -----
+            {
+              "ruff/__init__.py": [],
+              "ruff/a.py": [
+                "ruff/b.py"
+              ],
+              "ruff/b.py": [
+                "ruff/c.py"
+              ],
+              "ruff/c.py": [
+                "ruff/d.py"
+              ],
+              "ruff/d.py": [
+                "ruff/e.py"
+              ],
+              "ruff/e.py": []
+            }
 
-        ----- stderr -----
-        "#);
+            ----- stderr -----
+            "###);
     });
 
     Ok(())
@@ -132,29 +124,29 @@ fn dependents() -> Result<()> {
     insta::with_settings!({
         filters => INSTA_FILTERS.to_vec(),
     }, {
-        assert_cmd_snapshot!(command().arg("--direction").arg("dependents").current_dir(&root), @r#"
-        success: true
-        exit_code: 0
-        ----- stdout -----
-        {
-          "ruff/__init__.py": [],
-          "ruff/a.py": [],
-          "ruff/b.py": [
-            "ruff/a.py"
-          ],
-          "ruff/c.py": [
-            "ruff/b.py"
-          ],
-          "ruff/d.py": [
-            "ruff/c.py"
-          ],
-          "ruff/e.py": [
-            "ruff/d.py"
-          ]
-        }
+        assert_cmd_snapshot!(command().arg("--direction").arg("dependents").current_dir(&root), @r###"
+            success: true
+            exit_code: 0
+            ----- stdout -----
+            {
+              "ruff/__init__.py": [],
+              "ruff/a.py": [],
+              "ruff/b.py": [
+                "ruff/a.py"
+              ],
+              "ruff/c.py": [
+                "ruff/b.py"
+              ],
+              "ruff/d.py": [
+                "ruff/c.py"
+              ],
+              "ruff/e.py": [
+                "ruff/d.py"
+              ]
+            }
 
-        ----- stderr -----
-        "#);
+            ----- stderr -----
+            "###);
     });
 
     Ok(())
@@ -184,116 +176,43 @@ fn string_detection() -> Result<()> {
     insta::with_settings!({
         filters => INSTA_FILTERS.to_vec(),
     }, {
-        assert_cmd_snapshot!(command().current_dir(&root), @r#"
-        success: true
-        exit_code: 0
-        ----- stdout -----
-        {
-          "ruff/__init__.py": [],
-          "ruff/a.py": [
-            "ruff/b.py"
-          ],
-          "ruff/b.py": [],
-          "ruff/c.py": []
-        }
+        assert_cmd_snapshot!(command().current_dir(&root), @r###"
+            success: true
+            exit_code: 0
+            ----- stdout -----
+            {
+              "ruff/__init__.py": [],
+              "ruff/a.py": [
+                "ruff/b.py"
+              ],
+              "ruff/b.py": [],
+              "ruff/c.py": []
+            }
 
-        ----- stderr -----
-        "#);
+            ----- stderr -----
+            "###);
     });
 
     insta::with_settings!({
         filters => INSTA_FILTERS.to_vec(),
     }, {
-        assert_cmd_snapshot!(command().arg("--detect-string-imports").current_dir(&root), @r#"
-        success: true
-        exit_code: 0
-        ----- stdout -----
-        {
-          "ruff/__init__.py": [],
-          "ruff/a.py": [
-            "ruff/b.py"
-          ],
-          "ruff/b.py": [],
-          "ruff/c.py": []
-        }
+        assert_cmd_snapshot!(command().arg("--detect-string-imports").current_dir(&root), @r###"
+            success: true
+            exit_code: 0
+            ----- stdout -----
+            {
+              "ruff/__init__.py": [],
+              "ruff/a.py": [
+                "ruff/b.py"
+              ],
+              "ruff/b.py": [
+                "ruff/c.py"
+              ],
+              "ruff/c.py": []
+            }
 
-        ----- stderr -----
-        "#);
-    });
-
-    insta::with_settings!({
-        filters => INSTA_FILTERS.to_vec(),
-    }, {
-        assert_cmd_snapshot!(command().arg("--detect-string-imports").arg("--min-dots").arg("1").current_dir(&root), @r#"
-        success: true
-        exit_code: 0
-        ----- stdout -----
-        {
-          "ruff/__init__.py": [],
-          "ruff/a.py": [
-            "ruff/b.py"
-          ],
-          "ruff/b.py": [
-            "ruff/c.py"
-          ],
-          "ruff/c.py": []
-        }
-
-        ----- stderr -----
-        "#);
-    });
-
-    Ok(())
-}
-
-#[test]
-fn string_detection_from_config() -> Result<()> {
-    let tempdir = TempDir::new()?;
-
-    let root = ChildPath::new(tempdir.path());
-
-    // Configure string import detection with a lower min-dots via ruff.toml
-    root.child("ruff.toml").write_str(indoc::indoc! {r#"
-        [analyze]
-        detect-string-imports = true
-        string-imports-min-dots = 1
-    "#})?;
-
-    root.child("ruff").child("__init__.py").write_str("")?;
-    root.child("ruff")
-        .child("a.py")
-        .write_str(indoc::indoc! {r#"
-        import ruff.b
-    "#})?;
-    root.child("ruff")
-        .child("b.py")
-        .write_str(indoc::indoc! {r#"
-        import importlib
-
-        importlib.import_module("ruff.c")
-    "#})?;
-    root.child("ruff").child("c.py").write_str("")?;
-
-    insta::with_settings!({
-        filters => INSTA_FILTERS.to_vec(),
-    }, {
-        assert_cmd_snapshot!(command().current_dir(&root), @r#"
-        success: true
-        exit_code: 0
-        ----- stdout -----
-        {
-          "ruff/__init__.py": [],
-          "ruff/a.py": [
-            "ruff/b.py"
-          ],
-          "ruff/b.py": [
-            "ruff/c.py"
-          ],
-          "ruff/c.py": []
-        }
-
-        ----- stderr -----
-        "#);
+            ----- stderr -----
+            "###);
     });
 
     Ok(())
@@ -319,7 +238,7 @@ fn globs() -> Result<()> {
     insta::with_settings!({
         filters => INSTA_FILTERS.to_vec(),
     }, {
-        assert_cmd_snapshot!(command().current_dir(&root), @r#"
+        assert_cmd_snapshot!(command().current_dir(&root), @r###"
         success: true
         exit_code: 0
         ----- stdout -----
@@ -340,7 +259,7 @@ fn globs() -> Result<()> {
         }
 
         ----- stderr -----
-        "#);
+        "###);
     });
 
     Ok(())
@@ -368,7 +287,7 @@ fn exclude() -> Result<()> {
     insta::with_settings!({
         filters => INSTA_FILTERS.to_vec(),
     }, {
-        assert_cmd_snapshot!(command().current_dir(&root), @r#"
+        assert_cmd_snapshot!(command().current_dir(&root), @r###"
         success: true
         exit_code: 0
         ----- stdout -----
@@ -381,7 +300,7 @@ fn exclude() -> Result<()> {
         }
 
         ----- stderr -----
-        "#);
+        "###);
     });
 
     Ok(())
@@ -421,7 +340,7 @@ fn wildcard() -> Result<()> {
     insta::with_settings!({
         filters => INSTA_FILTERS.to_vec(),
     }, {
-        assert_cmd_snapshot!(command().current_dir(&root), @r#"
+        assert_cmd_snapshot!(command().current_dir(&root), @r###"
         success: true
         exit_code: 0
         ----- stdout -----
@@ -443,7 +362,7 @@ fn wildcard() -> Result<()> {
         }
 
         ----- stderr -----
-        "#);
+        "###);
     });
 
     Ok(())
@@ -639,262 +558,17 @@ fn venv() -> Result<()> {
     }, {
         assert_cmd_snapshot!(
             command().args(["--python", "none"]).arg("packages/albatross").current_dir(&root),
-            @"
+            @r"
         success: false
         exit_code: 2
         ----- stdout -----
 
         ----- stderr -----
         ruff failed
-          Cause: Invalid `--python` argument `none`: does not point to a Python executable or a directory on disk
-          Cause: No such file or directory (os error 2)
+          Cause: Invalid search path settings
+          Cause: Failed to discover the site-packages directory: Invalid `--python` argument `none`: does not point to a Python executable or a directory on disk
         ");
     });
 
     Ok(())
 }
-
-#[test]
-fn notebook_basic() -> Result<()> {
-    let tempdir = TempDir::new()?;
-    let root = ChildPath::new(tempdir.path());
-
-    root.child("ruff").child("__init__.py").write_str("")?;
-    root.child("ruff")
-        .child("a.py")
-        .write_str(indoc::indoc! {r#"
-        def helper():
-            pass
-    "#})?;
-
-    // Create a basic notebook with a simple import
-    root.child("notebook.ipynb").write_str(indoc::indoc! {r#"
-        {
-          "cells": [
-            {
-              "cell_type": "code",
-              "execution_count": null,
-              "metadata": {},
-              "outputs": [],
-              "source": [
-                "from ruff.a import helper"
-              ]
-            }
-          ],
-          "metadata": {
-            "language_info": {
-              "name": "python",
-              "version": "3.12.0"
-            }
-          },
-          "nbformat": 4,
-          "nbformat_minor": 5
-        }
-    "#})?;
-
-    insta::with_settings!({
-        filters => INSTA_FILTERS.to_vec(),
-    }, {
-        assert_cmd_snapshot!(command().current_dir(&root), @r#"
-        success: true
-        exit_code: 0
-        ----- stdout -----
-        {
-          "notebook.ipynb": [
-            "ruff/a.py"
-          ],
-          "ruff/__init__.py": [],
-          "ruff/a.py": []
-        }
-
-        ----- stderr -----
-        "#);
-    });
-
-    Ok(())
-}
-
-/// Test that the `src` configuration option is respected.
-///
-/// This is useful for monorepos where there are multiple source directories that need to be
-/// included in the module resolution search path.
-#[test]
-fn src_option() -> Result<()> {
-    let tempdir = TempDir::new()?;
-    let root = ChildPath::new(tempdir.path());
-
-    // Create a lib directory with a package.
-    root.child("lib")
-        .child("mylib")
-        .child("__init__.py")
-        .write_str("def helper(): pass")?;
-
-    // Create an app directory with a file that imports from mylib.
-    root.child("app").child("__init__.py").write_str("")?;
-    root.child("app")
-        .child("main.py")
-        .write_str("from mylib import helper")?;
-
-    // Without src configured, the import from mylib won't resolve.
-    insta::with_settings!({
-        filters => INSTA_FILTERS.to_vec(),
-    }, {
-        assert_cmd_snapshot!(command().arg("app").current_dir(&root), @r#"
-        success: true
-        exit_code: 0
-        ----- stdout -----
-        {
-          "app/__init__.py": [],
-          "app/main.py": []
-        }
-
-        ----- stderr -----
-        "#);
-    });
-
-    // With src = ["lib"], the import should resolve.
-    root.child("ruff.toml").write_str(indoc::indoc! {r#"
-        src = ["lib"]
-    "#})?;
-
-    insta::with_settings!({
-        filters => INSTA_FILTERS.to_vec(),
-    }, {
-        assert_cmd_snapshot!(command().arg("app").current_dir(&root), @r#"
-        success: true
-        exit_code: 0
-        ----- stdout -----
-        {
-          "app/__init__.py": [],
-          "app/main.py": [
-            "lib/mylib/__init__.py"
-          ]
-        }
-
-        ----- stderr -----
-        "#);
-    });
-
-    Ok(())
-}
-
-/// Test that glob patterns in `src` are expanded.
-#[test]
-fn src_glob_expansion() -> Result<()> {
-    let tempdir = TempDir::new()?;
-    let root = ChildPath::new(tempdir.path());
-
-    // Create multiple lib directories with packages.
-    root.child("libs")
-        .child("lib_a")
-        .child("pkg_a")
-        .child("__init__.py")
-        .write_str("def func_a(): pass")?;
-    root.child("libs")
-        .child("lib_b")
-        .child("pkg_b")
-        .child("__init__.py")
-        .write_str("def func_b(): pass")?;
-
-    // Create an app that imports from both packages.
-    root.child("app").child("__init__.py").write_str("")?;
-    root.child("app")
-        .child("main.py")
-        .write_str("from pkg_a import func_a\nfrom pkg_b import func_b")?;
-
-    // Use a glob pattern to include all lib directories.
-    root.child("ruff.toml").write_str(indoc::indoc! {r#"
-        src = ["libs/*"]
-    "#})?;
-
-    insta::with_settings!({
-        filters => INSTA_FILTERS.to_vec(),
-    }, {
-        assert_cmd_snapshot!(command().arg("app").current_dir(&root), @r#"
-        success: true
-        exit_code: 0
-        ----- stdout -----
-        {
-          "app/__init__.py": [],
-          "app/main.py": [
-            "libs/lib_a/pkg_a/__init__.py",
-            "libs/lib_b/pkg_b/__init__.py"
-          ]
-        }
-
-        ----- stderr -----
-        "#);
-    });
-
-    Ok(())
-}
-
-#[test]
-fn notebook_with_magic() -> Result<()> {
-    let tempdir = TempDir::new()?;
-    let root = ChildPath::new(tempdir.path());
-
-    root.child("ruff").child("__init__.py").write_str("")?;
-    root.child("ruff")
-        .child("a.py")
-        .write_str(indoc::indoc! {r#"
-        def helper():
-            pass
-    "#})?;
-
-    // Create a notebook with IPython magic commands and imports
-    root.child("notebook.ipynb").write_str(indoc::indoc! {r#"
-        {
-          "cells": [
-            {
-              "cell_type": "code",
-              "execution_count": null,
-              "metadata": {},
-              "outputs": [],
-              "source": [
-                "%load_ext autoreload\n",
-                "%autoreload 2"
-              ]
-            },
-            {
-              "cell_type": "code",
-              "execution_count": null,
-              "metadata": {},
-              "outputs": [],
-              "source": [
-                "from ruff.a import helper"
-              ]
-            }
-          ],
-          "metadata": {
-            "language_info": {
-              "name": "python",
-              "version": "3.12.0"
-            }
-          },
-          "nbformat": 4,
-          "nbformat_minor": 5
-        }
-    "#})?;
-
-    insta::with_settings!({
-        filters => INSTA_FILTERS.to_vec(),
-    }, {
-        assert_cmd_snapshot!(command().current_dir(&root), @r#"
-        success: true
-        exit_code: 0
-        ----- stdout -----
-        {
-          "notebook.ipynb": [
-            "ruff/a.py"
-          ],
-          "ruff/__init__.py": [],
-          "ruff/a.py": []
-        }
-
-        ----- stderr -----
-        "#);
-    });
-
-    Ok(())
-}

crates/ruff/tests/cli/analyze_graph.rs

@@ -1,193 +0,0 @@
-use std::process::Command;
-
-use insta_cmd::assert_cmd_snapshot;
-
-use crate::CliTest;
-
-#[test]
-fn type_checking_imports() -> anyhow::Result<()> {
-    let test = AnalyzeTest::with_files([
-        ("ruff/__init__.py", ""),
-        (
-            "ruff/a.py",
-            r#"
-            from typing import TYPE_CHECKING
-
-            import ruff.b
-
-            if TYPE_CHECKING:
-                import ruff.c
-        "#,
-        ),
-        (
-            "ruff/b.py",
-            r#"
-            if TYPE_CHECKING:
-                from ruff import c
-            "#,
-        ),
-        ("ruff/c.py", ""),
-    ])?;
-
-    assert_cmd_snapshot!(test.command(), @r#"
-    success: true
-    exit_code: 0
-    ----- stdout -----
-    {
-      "ruff/__init__.py": [],
-      "ruff/a.py": [
-        "ruff/b.py",
-        "ruff/c.py"
-      ],
-      "ruff/b.py": [
-        "ruff/c.py"
-      ],
-      "ruff/c.py": []
-    }
-
-    ----- stderr -----
-    "#);
-
-    assert_cmd_snapshot!(
-        test.command()
-            .arg("--no-type-checking-imports"),
-        @r#"
-    success: true
-    exit_code: 0
-    ----- stdout -----
-    {
-      "ruff/__init__.py": [],
-      "ruff/a.py": [
-        "ruff/b.py"
-      ],
-      "ruff/b.py": [],
-      "ruff/c.py": []
-    }
-
-    ----- stderr -----
-    "#
-    );
-
-    Ok(())
-}
-
-#[test]
-fn type_checking_imports_from_config() -> anyhow::Result<()> {
-    let test = AnalyzeTest::with_files([
-        ("ruff/__init__.py", ""),
-        (
-            "ruff/a.py",
-            r#"
-            from typing import TYPE_CHECKING
-
-            import ruff.b
-
-            if TYPE_CHECKING:
-                import ruff.c
-        "#,
-        ),
-        (
-            "ruff/b.py",
-            r#"
-            if TYPE_CHECKING:
-                from ruff import c
-            "#,
-        ),
-        ("ruff/c.py", ""),
-        (
-            "ruff.toml",
-            r#"
-            [analyze]
-            type-checking-imports = false
-            "#,
-        ),
-    ])?;
-
-    assert_cmd_snapshot!(test.command(), @r#"
-    success: true
-    exit_code: 0
-    ----- stdout -----
-    {
-      "ruff/__init__.py": [],
-      "ruff/a.py": [
-        "ruff/b.py"
-      ],
-      "ruff/b.py": [],
-      "ruff/c.py": []
-    }
-
-    ----- stderr -----
-    "#);
-
-    test.write_file(
-        "ruff.toml",
-        r#"
-        [analyze]
-        type-checking-imports = true
-        "#,
-    )?;
-
-    assert_cmd_snapshot!(test.command(), @r#"
-    success: true
-    exit_code: 0
-    ----- stdout -----
-    {
-      "ruff/__init__.py": [],
-      "ruff/a.py": [
-        "ruff/b.py",
-        "ruff/c.py"
-      ],
-      "ruff/b.py": [
-        "ruff/c.py"
-      ],
-      "ruff/c.py": []
-    }
-
-    ----- stderr -----
-    "#
-    );
-
-    Ok(())
-}
-
-struct AnalyzeTest {
-    cli_test: CliTest,
-}
-
-impl AnalyzeTest {
-    pub(crate) fn new() -> anyhow::Result<Self> {
-        Ok(Self {
-            cli_test: CliTest::with_settings(|_, mut settings| {
-                settings.add_filter(r#"\\\\"#, "/");
-                settings
-            })?,
-        })
-    }
-
-    fn with_files<'a>(files: impl IntoIterator<Item = (&'a str, &'a str)>) -> anyhow::Result<Self> {
-        let case = Self::new()?;
-        case.write_files(files)?;
-        Ok(case)
-    }
-
-    #[expect(unused)]
-    fn with_file(path: impl AsRef<std::path::Path>, content: &str) -> anyhow::Result<Self> {
-        let fixture = Self::new()?;
-        fixture.write_file(path, content)?;
-        Ok(fixture)
-    }
-
-    fn command(&self) -> Command {
-        let mut command = self.cli_test.command();
-        command.arg("analyze").arg("graph").arg("--preview");
-        command
-    }
-}
-
-impl std::ops::Deref for AnalyzeTest {
-    type Target = CliTest;
-
-    fn deref(&self) -> &Self::Target {
-        &self.cli_test
-    }
-}

crates/ruff/tests/cli/main.rs

@@ -1,203 +0,0 @@
-//! Test fixture utilities for ruff CLI tests
-//!
-//! The core concept is borrowed from ty/tests/cli/main.rs and can be extended
-//! with more functionality from there in the future if needed.
-
-#![cfg(not(target_family = "wasm"))]
-
-use anyhow::{Context as _, Result};
-use insta::internals::SettingsBindDropGuard;
-use insta_cmd::get_cargo_bin;
-use std::{
-    fs,
-    path::{Path, PathBuf},
-    process::Command,
-};
-use tempfile::TempDir;
-
-mod analyze_graph;
-mod format;
-mod lint;
-
-const BIN_NAME: &str = "ruff";
-
-/// Creates a regex filter for replacing temporary directory paths in snapshots
-pub(crate) fn tempdir_filter(path: impl AsRef<str>) -> String {
-    format!(r"{}[\\/]?", regex::escape(path.as_ref()))
-}
-
-/// A test fixture for running ruff CLI tests with temporary directories and files.
-///
-/// This fixture provides:
-/// - Temporary directory management
-/// - File creation utilities
-/// - Proper snapshot filtering for cross-platform compatibility
-/// - Pre-configured ruff command creation
-///
-/// # Example
-///
-/// ```rust,no_run
-/// use crate::common::RuffTestFixture;
-///
-/// let fixture = RuffTestFixture::with_file("ruff.toml", "select = ['E']")?;
-/// let output = fixture.command().args(["check", "."]).output()?;
-/// ```
-pub(crate) struct CliTest {
-    _temp_dir: TempDir,
-    _settings_scope: SettingsBindDropGuard,
-    project_dir: PathBuf,
-}
-
-impl CliTest {
-    /// Creates a new test fixture with an empty temporary directory.
-    ///
-    /// This sets up:
-    /// - A temporary directory that's automatically cleaned up
-    /// - Insta snapshot filters for cross-platform path compatibility
-    /// - Environment isolation for consistent test behavior
-    pub(crate) fn new() -> Result<Self> {
-        Self::with_settings(|_, settings| settings)
-    }
-
-    pub(crate) fn with_files<'a>(
-        files: impl IntoIterator<Item = (&'a str, &'a str)>,
-    ) -> anyhow::Result<Self> {
-        let case = Self::new()?;
-        case.write_files(files)?;
-        Ok(case)
-    }
-
-    pub(crate) fn with_settings(
-        setup_settings: impl FnOnce(&Path, insta::Settings) -> insta::Settings,
-    ) -> Result<Self> {
-        let temp_dir = TempDir::new()?;
-
-        // Canonicalize the tempdir path because macOS uses symlinks for tempdirs
-        // and that doesn't play well with our snapshot filtering.
-        // Simplify with dunce because otherwise we get UNC paths on Windows.
-        let project_dir = dunce::simplified(
-            &temp_dir
-                .path()
-                .canonicalize()
-                .context("Failed to canonicalize project path")?,
-        )
-        .to_path_buf();
-
-        let mut settings = setup_settings(&project_dir, insta::Settings::clone_current());
-
-        settings.add_filter(&tempdir_filter(project_dir.to_str().unwrap()), "[TMP]/");
-        settings.add_filter(r#"\\([\w&&[^nr"]]\w|\s|\.)"#, "/$1");
-        settings.add_filter(r"(Panicked at) [^:]+:\d+:\d+", "$1 <location>");
-        settings.add_filter(ruff_linter::VERSION, "[VERSION]");
-        settings.add_filter(
-            r#"The system cannot find the file specified."#,
-            "No such file or directory",
-        );
-
-        let settings_scope = settings.bind_to_scope();
-
-        Ok(Self {
-            project_dir,
-            _temp_dir: temp_dir,
-            _settings_scope: settings_scope,
-        })
-    }
-
-    /// Creates a test fixture with a single file.
-    ///
-    /// # Arguments
-    ///
-    /// * `path` - The relative path for the file
-    /// * `content` - The content to write to the file
-    ///
-    /// # Example
-    ///
-    /// ```rust,no_run
-    /// let fixture = RuffTestFixture::with_file("ruff.toml", "select = ['E']")?;
-    /// ```
-    pub(crate) fn with_file(path: impl AsRef<Path>, content: &str) -> Result<Self> {
-        let fixture = Self::new()?;
-        fixture.write_file(path, content)?;
-        Ok(fixture)
-    }
-
-    /// Ensures that the parent directory of a path exists.
-    fn ensure_parent_directory(path: &Path) -> Result<()> {
-        if let Some(parent) = path.parent() {
-            fs::create_dir_all(parent)
-                .with_context(|| format!("Failed to create directory `{}`", parent.display()))?;
-        }
-        Ok(())
-    }
-
-    /// Writes a file to the test directory.
-    ///
-    /// Parent directories are created automatically if they don't exist.
-    /// Content is dedented to remove common leading whitespace for cleaner test code.
-    ///
-    /// # Arguments
-    ///
-    /// * `path` - The relative path for the file
-    /// * `content` - The content to write to the file
-    pub(crate) fn write_file(&self, path: impl AsRef<Path>, content: &str) -> Result<()> {
-        let path = path.as_ref();
-        let file_path = self.project_dir.join(path);
-
-        Self::ensure_parent_directory(&file_path)?;
-
-        let content = ruff_python_trivia::textwrap::dedent(content);
-        fs::write(&file_path, content.as_ref())
-            .with_context(|| format!("Failed to write file `{}`", file_path.display()))?;
-
-        Ok(())
-    }
-
-    pub(crate) fn write_files<'a>(
-        &self,
-        files: impl IntoIterator<Item = (&'a str, &'a str)>,
-    ) -> Result<()> {
-        for file in files {
-            self.write_file(file.0, file.1)?;
-        }
-        Ok(())
-    }
-
-    /// Returns the path to the test directory root.
-    pub(crate) fn root(&self) -> &Path {
-        &self.project_dir
-    }
-
-    /// Creates a pre-configured ruff command for testing.
-    ///
-    /// The command is set up with:
-    /// - The correct ruff binary path
-    /// - Working directory set to the test directory
-    /// - Clean environment variables for consistent behavior
-    ///
-    /// You can chain additional arguments and options as needed.
-    ///
-    /// # Example
-    ///
-    /// ```rust,no_run
-    /// let output = fixture
-    ///     .command()
-    ///     .args(["check", "--select", "E"])
-    ///     .arg(".")
-    ///     .output()?;
-    /// ```
-    pub(crate) fn command(&self) -> Command {
-        let mut command = Command::new(get_cargo_bin(BIN_NAME));
-        command.current_dir(&self.project_dir);
-
-        // Unset all environment variables because they can affect test behavior.
-        command.env_clear();
-
-        command
-    }
-
-    pub(crate) fn format_command(&self) -> Command {
-        let mut command = self.command();
-        command.args(["format", "--no-cache"]);
-        command
-    }
-}

crates/ruff/tests/cli/snapshots/cli__format__output_format_azure.snap

@@ -1,19 +0,0 @@
----
-source: crates/ruff/tests/cli/format.rs
-info:
-  program: ruff
-  args:
-    - format
-    - "--no-cache"
-    - "--output-format"
-    - azure
-    - "--preview"
-    - "--check"
-    - input.py
----
-success: false
-exit_code: 1
------ stdout -----
-##vso[task.logissue type=error;sourcepath=[TMP]/input.py;linenumber=1;columnnumber=1;code=unformatted;]File would be reformatted
-
------ stderr -----

crates/ruff/tests/cli/snapshots/cli__format__output_format_concise.snap

@@ -1,20 +0,0 @@
----
-source: crates/ruff/tests/cli/format.rs
-info:
-  program: ruff
-  args:
-    - format
-    - "--no-cache"
-    - "--output-format"
-    - concise
-    - "--preview"
-    - "--check"
-    - input.py
----
-success: false
-exit_code: 1
------ stdout -----
-input.py:1:1: unformatted: File would be reformatted
-1 file would be reformatted
-
------ stderr -----

crates/ruff/tests/cli/snapshots/cli__format__output_format_full.snap

@@ -1,26 +0,0 @@
----
-source: crates/ruff/tests/cli/format.rs
-info:
-  program: ruff
-  args:
-    - format
-    - "--no-cache"
-    - "--output-format"
-    - full
-    - "--preview"
-    - "--check"
-    - input.py
----
-success: false
-exit_code: 1
------ stdout -----
-unformatted: File would be reformatted
- --> input.py:1:1
-  - 
-1 | from test import say_hy
-2 | 
-3 | if __name__ == "__main__":
-
-1 file would be reformatted
-
------ stderr -----

crates/ruff/tests/cli/snapshots/cli__format__output_format_github.snap

@@ -1,19 +0,0 @@
----
-source: crates/ruff/tests/cli/format.rs
-info:
-  program: ruff
-  args:
-    - format
-    - "--no-cache"
-    - "--output-format"
-    - github
-    - "--preview"
-    - "--check"
-    - input.py
----
-success: false
-exit_code: 1
------ stdout -----
-::error title=Ruff (unformatted),file=[TMP]/input.py,line=1,endLine=2::input.py:1:1: unformatted: File would be reformatted
-
------ stderr -----

crates/ruff/tests/cli/snapshots/cli__format__output_format_gitlab.snap

@@ -1,38 +0,0 @@
----
-source: crates/ruff/tests/cli/format.rs
-info:
-  program: ruff
-  args:
-    - format
-    - "--no-cache"
-    - "--output-format"
-    - gitlab
-    - "--preview"
-    - "--check"
-    - input.py
----
-success: false
-exit_code: 1
------ stdout -----
-[
-  {
-    "check_name": "unformatted",
-    "description": "unformatted: File would be reformatted",
-    "severity": "major",
-    "fingerprint": "d868d7da11a65fcf",
-    "location": {
-      "path": "input.py",
-      "positions": {
-        "begin": {
-          "line": 1,
-          "column": 1
-        },
-        "end": {
-          "line": 2,
-          "column": 1
-        }
-      }
-    }
-  }
-]
------ stderr -----

crates/ruff/tests/cli/snapshots/cli__format__output_format_grouped.snap

@@ -1,22 +0,0 @@
----
-source: crates/ruff/tests/cli/format.rs
-info:
-  program: ruff
-  args:
-    - format
-    - "--no-cache"
-    - "--output-format"
-    - grouped
-    - "--preview"
-    - "--check"
-    - input.py
----
-success: false
-exit_code: 1
------ stdout -----
-input.py:
-  1:1 unformatted: File would be reformatted
-
-1 file would be reformatted
-
------ stderr -----

crates/ruff/tests/cli/snapshots/cli__format__output_format_json-lines.snap

@@ -1,19 +0,0 @@
----
-source: crates/ruff/tests/cli/format.rs
-info:
-  program: ruff
-  args:
-    - format
-    - "--no-cache"
-    - "--output-format"
-    - json-lines
-    - "--preview"
-    - "--check"
-    - input.py
----
-success: false
-exit_code: 1
------ stdout -----
-{"cell":null,"code":"unformatted","end_location":{"column":1,"row":2},"filename":"[TMP]/input.py","fix":{"applicability":"safe","edits":[{"content":"","end_location":{"column":1,"row":2},"location":{"column":1,"row":1}}],"message":null},"location":{"column":1,"row":1},"message":"File would be reformatted","noqa_row":null,"url":null}
-
------ stderr -----

crates/ruff/tests/cli/snapshots/cli__format__output_format_json.snap

@@ -1,52 +0,0 @@
----
-source: crates/ruff/tests/cli/format.rs
-info:
-  program: ruff
-  args:
-    - format
-    - "--no-cache"
-    - "--output-format"
-    - json
-    - "--preview"
-    - "--check"
-    - input.py
----
-success: false
-exit_code: 1
------ stdout -----
-[
-  {
-    "cell": null,
-    "code": "unformatted",
-    "end_location": {
-      "column": 1,
-      "row": 2
-    },
-    "filename": "[TMP]/input.py",
-    "fix": {
-      "applicability": "safe",
-      "edits": [
-        {
-          "content": "",
-          "end_location": {
-            "column": 1,
-            "row": 2
-          },
-          "location": {
-            "column": 1,
-            "row": 1
-          }
-        }
-      ],
-      "message": null
-    },
-    "location": {
-      "column": 1,
-      "row": 1
-    },
-    "message": "File would be reformatted",
-    "noqa_row": null,
-    "url": null
-  }
-]
------ stderr -----

crates/ruff/tests/cli/snapshots/cli__format__output_format_junit.snap

@@ -1,26 +0,0 @@
----
-source: crates/ruff/tests/cli/format.rs
-info:
-  program: ruff
-  args:
-    - format
-    - "--no-cache"
-    - "--output-format"
-    - junit
-    - "--preview"
-    - "--check"
-    - input.py
----
-success: false
-exit_code: 1
------ stdout -----
-<?xml version="1.0" encoding="UTF-8"?>
-<testsuites name="ruff" tests="1" failures="1" errors="0">
-    <testsuite name="[TMP]/input.py" tests="1" disabled="0" errors="0" failures="1" package="org.ruff">
-        <testcase name="org.ruff.unformatted" classname="[TMP]/input" line="1" column="1">
-            <failure message="File would be reformatted">line 1, col 1, File would be reformatted</failure>
-        </testcase>
-    </testsuite>
-</testsuites>
-
------ stderr -----

crates/ruff/tests/cli/snapshots/cli__format__output_format_pylint.snap

@@ -1,19 +0,0 @@
----
-source: crates/ruff/tests/cli/format.rs
-info:
-  program: ruff
-  args:
-    - format
-    - "--no-cache"
-    - "--output-format"
-    - pylint
-    - "--preview"
-    - "--check"
-    - input.py
----
-success: false
-exit_code: 1
------ stdout -----
-input.py:1: [unformatted] File would be reformatted
-
------ stderr -----

crates/ruff/tests/cli/snapshots/cli__format__output_format_rdjson.snap

@@ -1,60 +0,0 @@
----
-source: crates/ruff/tests/cli/format.rs
-info:
-  program: ruff
-  args:
-    - format
-    - "--no-cache"
-    - "--output-format"
-    - rdjson
-    - "--preview"
-    - "--check"
-    - input.py
----
-success: false
-exit_code: 1
------ stdout -----
-{
-  "diagnostics": [
-    {
-      "code": {
-        "value": "unformatted"
-      },
-      "location": {
-        "path": "[TMP]/input.py",
-        "range": {
-          "end": {
-            "column": 1,
-            "line": 2
-          },
-          "start": {
-            "column": 1,
-            "line": 1
-          }
-        }
-      },
-      "message": "File would be reformatted",
-      "suggestions": [
-        {
-          "range": {
-            "end": {
-              "column": 1,
-              "line": 2
-            },
-            "start": {
-              "column": 1,
-              "line": 1
-            }
-          },
-          "text": ""
-        }
-      ]
-    }
-  ],
-  "severity": "WARNING",
-  "source": {
-    "name": "ruff",
-    "url": "https://docs.astral.sh/ruff"
-  }
-}
------ stderr -----

crates/ruff/tests/cli/snapshots/cli__format__output_format_sarif.snap

@@ -1,81 +0,0 @@
----
-source: crates/ruff/tests/cli/format.rs
-info:
-  program: ruff
-  args:
-    - format
-    - "--no-cache"
-    - "--output-format"
-    - sarif
-    - "--preview"
-    - "--check"
-    - input.py
----
-success: false
-exit_code: 1
------ stdout -----
-{
-  "$schema": "https://json.schemastore.org/sarif-2.1.0.json",
-  "runs": [
-    {
-      "results": [
-        {
-          "fixes": [
-            {
-              "artifactChanges": [
-                {
-                  "artifactLocation": {
-                    "uri": "[TMP]/input.py"
-                  },
-                  "replacements": [
-                    {
-                      "deletedRegion": {
-                        "endColumn": 1,
-                        "endLine": 2,
-                        "startColumn": 1,
-                        "startLine": 1
-                      }
-                    }
-                  ]
-                }
-              ],
-              "description": {
-                "text": null
-              }
-            }
-          ],
-          "level": "error",
-          "locations": [
-            {
-              "physicalLocation": {
-                "artifactLocation": {
-                  "uri": "[TMP]/input.py"
-                },
-                "region": {
-                  "endColumn": 1,
-                  "endLine": 2,
-                  "startColumn": 1,
-                  "startLine": 1
-                }
-              }
-            }
-          ],
-          "message": {
-            "text": "File would be reformatted"
-          },
-          "ruleId": "unformatted"
-        }
-      ],
-      "tool": {
-        "driver": {
-          "informationUri": "https://github.com/astral-sh/ruff",
-          "name": "ruff",
-          "rules": [],
-          "version": "[VERSION]"
-        }
-      }
-    }
-  ],
-  "version": "2.1.0"
-}
------ stderr -----

crates/ruff/tests/cli/snapshots/cli__lint__output_format_azure.snap

@@ -1,23 +0,0 @@
----
-source: crates/ruff/tests/cli/lint.rs
-info:
-  program: ruff
-  args:
-    - check
-    - "--no-cache"
-    - "--output-format"
-    - azure
-    - "--select"
-    - "F401,F821"
-    - "--target-version"
-    - py39
-    - input.py
----
-success: false
-exit_code: 1
------ stdout -----
-##vso[task.logissue type=error;sourcepath=[TMP]/input.py;linenumber=1;columnnumber=8;code=F401;]`os` imported but unused
-##vso[task.logissue type=error;sourcepath=[TMP]/input.py;linenumber=2;columnnumber=5;code=F821;]Undefined name `y`
-##vso[task.logissue type=error;sourcepath=[TMP]/input.py;linenumber=3;columnnumber=1;code=invalid-syntax;]Cannot use `match` statement on Python 3.9 (syntax was added in Python 3.10)
-
------ stderr -----

crates/ruff/tests/cli/snapshots/cli__lint__output_format_concise.snap

@@ -1,25 +0,0 @@
----
-source: crates/ruff/tests/cli/lint.rs
-info:
-  program: ruff
-  args:
-    - check
-    - "--no-cache"
-    - "--output-format"
-    - concise
-    - "--select"
-    - "F401,F821"
-    - "--target-version"
-    - py39
-    - input.py
----
-success: false
-exit_code: 1
------ stdout -----
-input.py:1:8: F401 [*] `os` imported but unused
-input.py:2:5: F821 Undefined name `y`
-input.py:3:1: invalid-syntax: Cannot use `match` statement on Python 3.9 (syntax was added in Python 3.10)
-Found 3 errors.
-[*] 1 fixable with the `--fix` option.
-
------ stderr -----

crates/ruff/tests/cli/snapshots/cli__lint__output_format_full.snap

@@ -1,52 +0,0 @@
----
-source: crates/ruff/tests/cli/lint.rs
-info:
-  program: ruff
-  args:
-    - check
-    - "--no-cache"
-    - "--output-format"
-    - full
-    - "--select"
-    - "F401,F821"
-    - "--target-version"
-    - py39
-    - input.py
----
-success: false
-exit_code: 1
------ stdout -----
-F401 [*] `os` imported but unused
- --> input.py:1:8
-  |
-1 | import os  # F401
-  |        ^^
-2 | x = y      # F821
-3 | match 42:  # invalid-syntax
-  |
-help: Remove unused import: `os`
-
-F821 Undefined name `y`
- --> input.py:2:5
-  |
-1 | import os  # F401
-2 | x = y      # F821
-  |     ^
-3 | match 42:  # invalid-syntax
-4 |     case _: ...
-  |
-
-invalid-syntax: Cannot use `match` statement on Python 3.9 (syntax was added in Python 3.10)
- --> input.py:3:1
-  |
-1 | import os  # F401
-2 | x = y      # F821
-3 | match 42:  # invalid-syntax
-  | ^^^^^
-4 |     case _: ...
-  |
-
-Found 3 errors.
-[*] 1 fixable with the `--fix` option.
-
------ stderr -----

crates/ruff/tests/cli/snapshots/cli__lint__output_format_github.snap

@@ -1,23 +0,0 @@
----
-source: crates/ruff/tests/cli/lint.rs
-info:
-  program: ruff
-  args:
-    - check
-    - "--no-cache"
-    - "--output-format"
-    - github
-    - "--select"
-    - "F401,F821"
-    - "--target-version"
-    - py39
-    - input.py
----
-success: false
-exit_code: 1
------ stdout -----
-::error title=Ruff (F401),file=[TMP]/input.py,line=1,col=8,endLine=1,endColumn=10::input.py:1:8: F401 `os` imported but unused
-::error title=Ruff (F821),file=[TMP]/input.py,line=2,col=5,endLine=2,endColumn=6::input.py:2:5: F821 Undefined name `y`
-::error title=Ruff (invalid-syntax),file=[TMP]/input.py,line=3,col=1,endLine=3,endColumn=6::input.py:3:1: invalid-syntax: Cannot use `match` statement on Python 3.9 (syntax was added in Python 3.10)
-
------ stderr -----

crates/ruff/tests/cli/snapshots/cli__lint__output_format_gitlab.snap

@@ -1,78 +0,0 @@
----
-source: crates/ruff/tests/cli/lint.rs
-info:
-  program: ruff
-  args:
-    - check
-    - "--no-cache"
-    - "--output-format"
-    - gitlab
-    - "--select"
-    - "F401,F821"
-    - "--target-version"
-    - py39
-    - input.py
----
-success: false
-exit_code: 1
------ stdout -----
-[
-  {
-    "check_name": "F401",
-    "description": "F401: `os` imported but unused",
-    "severity": "major",
-    "fingerprint": "4dbad37161e65c72",
-    "location": {
-      "path": "input.py",
-      "positions": {
-        "begin": {
-          "line": 1,
-          "column": 8
-        },
-        "end": {
-          "line": 1,
-          "column": 10
-        }
-      }
-    }
-  },
-  {
-    "check_name": "F821",
-    "description": "F821: Undefined name `y`",
-    "severity": "major",
-    "fingerprint": "7af59862a085230",
-    "location": {
-      "path": "input.py",
-      "positions": {
-        "begin": {
-          "line": 2,
-          "column": 5
-        },
-        "end": {
-          "line": 2,
-          "column": 6
-        }
-      }
-    }
-  },
-  {
-    "check_name": "invalid-syntax",
-    "description": "invalid-syntax: Cannot use `match` statement on Python 3.9 (syntax was added in Python 3.10)",
-    "severity": "major",
-    "fingerprint": "e558cec859bb66e8",
-    "location": {
-      "path": "input.py",
-      "positions": {
-        "begin": {
-          "line": 3,
-          "column": 1
-        },
-        "end": {
-          "line": 3,
-          "column": 6
-        }
-      }
-    }
-  }
-]
------ stderr -----

crates/ruff/tests/cli/snapshots/cli__lint__output_format_grouped.snap

@@ -1,27 +0,0 @@
----
-source: crates/ruff/tests/cli/lint.rs
-info:
-  program: ruff
-  args:
-    - check
-    - "--no-cache"
-    - "--output-format"
-    - grouped
-    - "--select"
-    - "F401,F821"
-    - "--target-version"
-    - py39
-    - input.py
----
-success: false
-exit_code: 1
------ stdout -----
-input.py:
-  1:8 F401 [*] `os` imported but unused
-  2:5 F821 Undefined name `y`
-  3:1 invalid-syntax: Cannot use `match` statement on Python 3.9 (syntax was added in Python 3.10)
-
-Found 3 errors.
-[*] 1 fixable with the `--fix` option.
-
------ stderr -----

crates/ruff/tests/cli/snapshots/cli__lint__output_format_json-lines.snap

@@ -1,23 +0,0 @@
----
-source: crates/ruff/tests/cli/lint.rs
-info:
-  program: ruff
-  args:
-    - check
-    - "--no-cache"
-    - "--output-format"
-    - json-lines
-    - "--select"
-    - "F401,F821"
-    - "--target-version"
-    - py39
-    - input.py
----
-success: false
-exit_code: 1
------ stdout -----
-{"cell":null,"code":"F401","end_location":{"column":10,"row":1},"filename":"[TMP]/input.py","fix":{"applicability":"safe","edits":[{"content":"","end_location":{"column":1,"row":2},"location":{"column":1,"row":1}}],"message":"Remove unused import: `os`"},"location":{"column":8,"row":1},"message":"`os` imported but unused","noqa_row":1,"url":"https://docs.astral.sh/ruff/rules/unused-import"}
-{"cell":null,"code":"F821","end_location":{"column":6,"row":2},"filename":"[TMP]/input.py","fix":null,"location":{"column":5,"row":2},"message":"Undefined name `y`","noqa_row":2,"url":"https://docs.astral.sh/ruff/rules/undefined-name"}
-{"cell":null,"code":"invalid-syntax","end_location":{"column":6,"row":3},"filename":"[TMP]/input.py","fix":null,"location":{"column":1,"row":3},"message":"Cannot use `match` statement on Python 3.9 (syntax was added in Python 3.10)","noqa_row":null,"url":null}
-
------ stderr -----

crates/ruff/tests/cli/snapshots/cli__lint__output_format_json.snap

@@ -1,88 +0,0 @@
----
-source: crates/ruff/tests/cli/lint.rs
-info:
-  program: ruff
-  args:
-    - check
-    - "--no-cache"
-    - "--output-format"
-    - json
-    - "--select"
-    - "F401,F821"
-    - "--target-version"
-    - py39
-    - input.py
----
-success: false
-exit_code: 1
------ stdout -----
-[
-  {
-    "cell": null,
-    "code": "F401",
-    "end_location": {
-      "column": 10,
-      "row": 1
-    },
-    "filename": "[TMP]/input.py",
-    "fix": {
-      "applicability": "safe",
-      "edits": [
-        {
-          "content": "",
-          "end_location": {
-            "column": 1,
-            "row": 2
-          },
-          "location": {
-            "column": 1,
-            "row": 1
-          }
-        }
-      ],
-      "message": "Remove unused import: `os`"
-    },
-    "location": {
-      "column": 8,
-      "row": 1
-    },
-    "message": "`os` imported but unused",
-    "noqa_row": 1,
-    "url": "https://docs.astral.sh/ruff/rules/unused-import"
-  },
-  {
-    "cell": null,
-    "code": "F821",
-    "end_location": {
-      "column": 6,
-      "row": 2
-    },
-    "filename": "[TMP]/input.py",
-    "fix": null,
-    "location": {
-      "column": 5,
-      "row": 2
-    },
-    "message": "Undefined name `y`",
-    "noqa_row": 2,
-    "url": "https://docs.astral.sh/ruff/rules/undefined-name"
-  },
-  {
-    "cell": null,
-    "code": "invalid-syntax",
-    "end_location": {
-      "column": 6,
-      "row": 3
-    },
-    "filename": "[TMP]/input.py",
-    "fix": null,
-    "location": {
-      "column": 1,
-      "row": 3
-    },
-    "message": "Cannot use `match` statement on Python 3.9 (syntax was added in Python 3.10)",
-    "noqa_row": null,
-    "url": null
-  }
-]
------ stderr -----

crates/ruff/tests/cli/snapshots/cli__lint__output_format_junit.snap

@@ -1,34 +0,0 @@
----
-source: crates/ruff/tests/cli/lint.rs
-info:
-  program: ruff
-  args:
-    - check
-    - "--no-cache"
-    - "--output-format"
-    - junit
-    - "--select"
-    - "F401,F821"
-    - "--target-version"
-    - py39
-    - input.py
----
-success: false
-exit_code: 1
------ stdout -----
-<?xml version="1.0" encoding="UTF-8"?>
-<testsuites name="ruff" tests="3" failures="3" errors="0">
-    <testsuite name="[TMP]/input.py" tests="3" disabled="0" errors="0" failures="3" package="org.ruff">
-        <testcase name="org.ruff.F401" classname="[TMP]/input" line="1" column="8">
-            <failure message="`os` imported but unused">line 1, col 8, `os` imported but unused</failure>
-        </testcase>
-        <testcase name="org.ruff.F821" classname="[TMP]/input" line="2" column="5">
-            <failure message="Undefined name `y`">line 2, col 5, Undefined name `y`</failure>
-        </testcase>
-        <testcase name="org.ruff.invalid-syntax" classname="[TMP]/input" line="3" column="1">
-            <failure message="Cannot use `match` statement on Python 3.9 (syntax was added in Python 3.10)">line 3, col 1, Cannot use `match` statement on Python 3.9 (syntax was added in Python 3.10)</failure>
-        </testcase>
-    </testsuite>
-</testsuites>
-
------ stderr -----

crates/ruff/tests/cli/snapshots/cli__lint__output_format_pylint.snap

@@ -1,23 +0,0 @@
----
-source: crates/ruff/tests/cli/lint.rs
-info:
-  program: ruff
-  args:
-    - check
-    - "--no-cache"
-    - "--output-format"
-    - pylint
-    - "--select"
-    - "F401,F821"
-    - "--target-version"
-    - py39
-    - input.py
----
-success: false
-exit_code: 1
------ stdout -----
-input.py:1: [F401] `os` imported but unused
-input.py:2: [F821] Undefined name `y`
-input.py:3: [invalid-syntax] Cannot use `match` statement on Python 3.9 (syntax was added in Python 3.10)
-
------ stderr -----

crates/ruff/tests/cli/snapshots/cli__lint__output_format_rdjson.snap

@@ -1,102 +0,0 @@
----
-source: crates/ruff/tests/cli/lint.rs
-info:
-  program: ruff
-  args:
-    - check
-    - "--no-cache"
-    - "--output-format"
-    - rdjson
-    - "--select"
-    - "F401,F821"
-    - "--target-version"
-    - py39
-    - input.py
----
-success: false
-exit_code: 1
------ stdout -----
-{
-  "diagnostics": [
-    {
-      "code": {
-        "url": "https://docs.astral.sh/ruff/rules/unused-import",
-        "value": "F401"
-      },
-      "location": {
-        "path": "[TMP]/input.py",
-        "range": {
-          "end": {
-            "column": 10,
-            "line": 1
-          },
-          "start": {
-            "column": 8,
-            "line": 1
-          }
-        }
-      },
-      "message": "`os` imported but unused",
-      "suggestions": [
-        {
-          "range": {
-            "end": {
-              "column": 1,
-              "line": 2
-            },
-            "start": {
-              "column": 1,
-              "line": 1
-            }
-          },
-          "text": ""
-        }
-      ]
-    },
-    {
-      "code": {
-        "url": "https://docs.astral.sh/ruff/rules/undefined-name",
-        "value": "F821"
-      },
-      "location": {
-        "path": "[TMP]/input.py",
-        "range": {
-          "end": {
-            "column": 6,
-            "line": 2
-          },
-          "start": {
-            "column": 5,
-            "line": 2
-          }
-        }
-      },
-      "message": "Undefined name `y`"
-    },
-    {
-      "code": {
-        "value": "invalid-syntax"
-      },
-      "location": {
-        "path": "[TMP]/input.py",
-        "range": {
-          "end": {
-            "column": 6,
-            "line": 3
-          },
-          "start": {
-            "column": 1,
-            "line": 3
-          }
-        }
-      },
-      "message": "Cannot use `match` statement on Python 3.9 (syntax was added in Python 3.10)"
-    }
-  ],
-  "severity": "WARNING",
-  "source": {
-    "name": "ruff",
-    "url": "https://docs.astral.sh/ruff"
-  }
-}
------ stderr -----

crates/ruff/tests/cli/snapshots/cli__lint__output_format_sarif.snap

@@ -1,166 +0,0 @@
----
-source: crates/ruff/tests/cli/lint.rs
-info:
-  program: ruff
-  args:
-    - check
-    - "--no-cache"
-    - "--output-format"
-    - sarif
-    - "--select"
-    - "F401,F821"
-    - "--target-version"
-    - py39
-    - input.py
----
-success: false
-exit_code: 1
------ stdout -----
-{
-  "$schema": "https://json.schemastore.org/sarif-2.1.0.json",
-  "runs": [
-    {
-      "results": [
-        {
-          "fixes": [
-            {
-              "artifactChanges": [
-                {
-                  "artifactLocation": {
-                    "uri": "[TMP]/input.py"
-                  },
-                  "replacements": [
-                    {
-                      "deletedRegion": {
-                        "endColumn": 1,
-                        "endLine": 2,
-                        "startColumn": 1,
-                        "startLine": 1
-                      }
-                    }
-                  ]
-                }
-              ],
-              "description": {
-                "text": "Remove unused import: `os`"
-              }
-            }
-          ],
-          "level": "error",
-          "locations": [
-            {
-              "physicalLocation": {
-                "artifactLocation": {
-                  "uri": "[TMP]/input.py"
-                },
-                "region": {
-                  "endColumn": 10,
-                  "endLine": 1,
-                  "startColumn": 8,
-                  "startLine": 1
-                }
-              }
-            }
-          ],
-          "message": {
-            "text": "`os` imported but unused"
-          },
-          "ruleId": "F401"
-        },
-        {
-          "level": "error",
-          "locations": [
-            {
-              "physicalLocation": {
-                "artifactLocation": {
-                  "uri": "[TMP]/input.py"
-                },
-                "region": {
-                  "endColumn": 6,
-                  "endLine": 2,
-                  "startColumn": 5,
-                  "startLine": 2
-                }
-              }
-            }
-          ],
-          "message": {
-            "text": "Undefined name `y`"
-          },
-          "ruleId": "F821"
-        },
-        {
-          "level": "error",
-          "locations": [
-            {
-              "physicalLocation": {
-                "artifactLocation": {
-                  "uri": "[TMP]/input.py"
-                },
-                "region": {
-                  "endColumn": 6,
-                  "endLine": 3,
-                  "startColumn": 1,
-                  "startLine": 3
-                }
-              }
-            }
-          ],
-          "message": {
-            "text": "Cannot use `match` statement on Python 3.9 (syntax was added in Python 3.10)"
-          },
-          "ruleId": "invalid-syntax"
-        }
-      ],
-      "tool": {
-        "driver": {
-          "informationUri": "https://github.com/astral-sh/ruff",
-          "name": "ruff",
-          "rules": [
-            {
-              "fullDescription": {
-                "text": "## What it does\nChecks for unused imports.\n\n## Why is this bad?\nUnused imports add a performance overhead at runtime, and risk creating\nimport cycles. They also increase the cognitive load of reading the code.\n\nIf an import statement is used to check for the availability or existence\nof a module, consider using `importlib.util.find_spec` instead.\n\nIf an import statement is used to re-export a symbol as part of a module's\npublic interface, consider using a \"redundant\" import alias, which\ninstructs Ruff (and other tools) to respect the re-export, and avoid\nmarking it as unused, as in:\n\n```python\nfrom module import member as member\n```\n\nAlternatively, you can use `__all__` to declare a symbol as part of the module's\ninterface, as in:\n\n```python\n# __init__.py\nimport some_module\n\n__all__ = [\"some_module\"]\n```\n\n## Preview\nWhen [preview] is enabled (and certain simplifying assumptions\nare met), we analyze all import statements for a given module\nwhen determining whether an import is used, rather than simply\nthe last of these statements. This can result in both different and\nmore import statements being marked as unused.\n\nFor example, if a module consists of\n\n```python\nimport a\nimport a.b\n```\n\nthen both statements are marked as unused under [preview], whereas\nonly the second is marked as unused under stable behavior.\n\nAs another example, if a module consists of\n\n```python\nimport a.b\nimport a\n\na.b.foo()\n```\n\nthen a diagnostic will only be emitted for the first line under [preview],\nwhereas a diagnostic would only be emitted for the second line under\nstable behavior.\n\nNote that this behavior is somewhat subjective and is designed\nto conform to the developer's intuition rather than Python's actual\nexecution. To wit, the statement `import a.b` automatically executes\n`import a`, so in some sense `import a` is _always_ redundant\nin the presence of `import a.b`.\n\n\n## Fix safety\n\nFixes to remove unused imports are safe, except in `__init__.py` files.\n\nApplying fixes to `__init__.py` files is currently in preview. The fix offered depends on the\ntype of the unused import. Ruff will suggest a safe fix to export first-party imports with\neither a redundant alias or, if already present in the file, an `__all__` entry. If multiple\n`__all__` declarations are present, Ruff will not offer a fix. Ruff will suggest an unsafe fix\nto remove third-party and standard library imports -- the fix is unsafe because the module's\ninterface changes.\n\nSee [this FAQ section](https://docs.astral.sh/ruff/faq/#how-does-ruff-determine-which-of-my-imports-are-first-party-third-party-etc)\nfor more details on how Ruff\ndetermines whether an import is first or third-party.\n\n## Example\n\n```python\nimport numpy as np  # unused import\n\n\ndef area(radius):\n    return 3.14 * radius**2\n```\n\nUse instead:\n\n```python\ndef area(radius):\n    return 3.14 * radius**2\n```\n\nTo check the availability of a module, use `importlib.util.find_spec`:\n\n```python\nfrom importlib.util import find_spec\n\nif find_spec(\"numpy\") is not None:\n    print(\"numpy is installed\")\nelse:\n    print(\"numpy is not installed\")\n```\n\n## Options\n- `lint.ignore-init-module-imports`\n- `lint.pyflakes.allowed-unused-imports`\n\n## References\n- [Python documentation: `import`](https://docs.python.org/3/reference/simple_stmts.html#the-import-statement)\n- [Python documentation: `importlib.util.find_spec`](https://docs.python.org/3/library/importlib.html#importlib.util.find_spec)\n- [Typing documentation: interface conventions](https://typing.python.org/en/latest/spec/distributing.html#library-interface-public-and-private-symbols)\n\n[preview]: https://docs.astral.sh/ruff/preview/\n"
-              },
-              "help": {
-                "text": "`{name}` imported but unused; consider using `importlib.util.find_spec` to test for availability"
-              },
-              "helpUri": "https://docs.astral.sh/ruff/rules/unused-import",
-              "id": "F401",
-              "properties": {
-                "id": "F401",
-                "kind": "Pyflakes",
-                "name": "unused-import",
-                "problem.severity": "error"
-              },
-              "shortDescription": {
-                "text": "`{name}` imported but unused; consider using `importlib.util.find_spec` to test for availability"
-              }
-            },
-            {
-              "fullDescription": {
-                "text": "## What it does\nChecks for uses of undefined names.\n\n## Why is this bad?\nAn undefined name is likely to raise `NameError` at runtime.\n\n## Example\n```python\ndef double():\n    return n * 2  # raises `NameError` if `n` is undefined when `double` is called\n```\n\nUse instead:\n```python\ndef double(n):\n    return n * 2\n```\n\n## Options\n- [`target-version`]: Can be used to configure which symbols Ruff will understand\n  as being available in the `builtins` namespace.\n\n## References\n- [Python documentation: Naming and binding](https://docs.python.org/3/reference/executionmodel.html#naming-and-binding)\n"
-              },
-              "help": {
-                "text": "Undefined name `{name}`. {tip}"
-              },
-              "helpUri": "https://docs.astral.sh/ruff/rules/undefined-name",
-              "id": "F821",
-              "properties": {
-                "id": "F821",
-                "kind": "Pyflakes",
-                "name": "undefined-name",
-                "problem.severity": "error"
-              },
-              "shortDescription": {
-                "text": "Undefined name `{name}`. {tip}"
-              }
-            }
-          ],
-          "version": "[VERSION]"
-        }
-      }
-    }
-  ],
-  "version": "2.1.0"
-}
------ stderr -----

crates/ruff/tests/cli/snapshots/cli__lint__output_format_show_fixes_concise.snap

@@ -1,26 +0,0 @@
----
-source: crates/ruff/tests/cli/lint.rs
-info:
-  program: ruff
-  args:
-    - check
-    - "--no-cache"
-    - "--output-format"
-    - concise
-    - "--select"
-    - F401
-    - "--fix"
-    - "--show-fixes"
-    - input.py
----
-success: true
-exit_code: 0
------ stdout -----
-
-Fixed 1 error:
-- input.py:
-    1 × F401 (unused-import)
-
-Found 1 error (1 fixed, 0 remaining).
-
------ stderr -----

crates/ruff/tests/cli/snapshots/cli__lint__output_format_show_fixes_full.snap

@@ -1,26 +0,0 @@
----
-source: crates/ruff/tests/cli/lint.rs
-info:
-  program: ruff
-  args:
-    - check
-    - "--no-cache"
-    - "--output-format"
-    - full
-    - "--select"
-    - F401
-    - "--fix"
-    - "--show-fixes"
-    - input.py
----
-success: true
-exit_code: 0
------ stdout -----
-
-Fixed 1 error:
-- input.py:
-    1 × F401 (unused-import)
-
-Found 1 error (1 fixed, 0 remaining).
-
------ stderr -----

crates/ruff/tests/cli/snapshots/cli__lint__output_format_show_fixes_grouped.snap

@@ -1,26 +0,0 @@
----
-source: crates/ruff/tests/cli/lint.rs
-info:
-  program: ruff
-  args:
-    - check
-    - "--no-cache"
-    - "--output-format"
-    - grouped
-    - "--select"
-    - F401
-    - "--fix"
-    - "--show-fixes"
-    - input.py
----
-success: true
-exit_code: 0
------ stdout -----
-
-Fixed 1 error:
-- input.py:
-    1 × F401 (unused-import)
-
-Found 1 error (1 fixed, 0 remaining).
-
------ stderr -----

crates/ruff/tests/cli/snapshots/cli__lint__requires_python_extend_from_shared_config.snap

@@ -1,289 +0,0 @@
----
-source: crates/ruff/tests/cli/lint.rs
-info:
-  program: ruff
-  args:
-    - check
-    - "--no-cache"
-    - "--output-format"
-    - concise
-    - "--show-settings"
-    - test.py
----
-success: true
-exit_code: 0
------ stdout -----
-Resolved settings for: "[TMP]/test.py"
-Settings path: "[TMP]/ruff.toml"
-
-# General Settings
-cache_dir = "[TMP]/.ruff_cache"
-fix = false
-fix_only = false
-output_format = concise
-show_fixes = false
-unsafe_fixes = hint
-
-# File Resolver Settings
-file_resolver.exclude = [
-	".bzr",
-	".direnv",
-	".eggs",
-	".git",
-	".git-rewrite",
-	".hg",
-	".ipynb_checkpoints",
-	".mypy_cache",
-	".nox",
-	".pants.d",
-	".pyenv",
-	".pytest_cache",
-	".pytype",
-	".ruff_cache",
-	".svn",
-	".tox",
-	".venv",
-	".vscode",
-	"__pypackages__",
-	"_build",
-	"buck-out",
-	"dist",
-	"node_modules",
-	"site-packages",
-	"venv",
-]
-file_resolver.extend_exclude = []
-file_resolver.force_exclude = false
-file_resolver.include = [
-	"*.py",
-	"*.pyi",
-	"*.ipynb",
-	"**/pyproject.toml",
-]
-file_resolver.extend_include = []
-file_resolver.respect_gitignore = true
-file_resolver.project_root = "[TMP]/"
-
-# Linter Settings
-linter.exclude = []
-linter.project_root = "[TMP]/"
-linter.rules.enabled = [
-	non-pep604-annotation-union (UP007),
-]
-linter.rules.should_fix = [
-	non-pep604-annotation-union (UP007),
-]
-linter.per_file_ignores = {}
-linter.safety_table.forced_safe = []
-linter.safety_table.forced_unsafe = []
-linter.unresolved_target_version = 3.10
-linter.per_file_target_version = {}
-linter.preview = disabled
-linter.explicit_preview_rules = false
-linter.extension = ExtensionMapping({})
-linter.allowed_confusables = []
-linter.builtins = []
-linter.dummy_variable_rgx = ^(_+|(_+[a-zA-Z0-9_]*[a-zA-Z0-9]+?))$
-linter.external = []
-linter.ignore_init_module_imports = true
-linter.logger_objects = []
-linter.namespace_packages = []
-linter.src = [
-	"[TMP]/",
-	"[TMP]/src",
-]
-linter.tab_size = 4
-linter.line_length = 88
-linter.task_tags = [
-	TODO,
-	FIXME,
-	XXX,
-]
-linter.typing_modules = []
-linter.typing_extensions = true
-
-# Linter Plugins
-linter.flake8_annotations.mypy_init_return = false
-linter.flake8_annotations.suppress_dummy_args = false
-linter.flake8_annotations.suppress_none_returning = false
-linter.flake8_annotations.allow_star_arg_any = false
-linter.flake8_annotations.ignore_fully_untyped = false
-linter.flake8_bandit.hardcoded_tmp_directory = [
-	/tmp,
-	/var/tmp,
-	/dev/shm,
-]
-linter.flake8_bandit.check_typed_exception = false
-linter.flake8_bandit.extend_markup_names = []
-linter.flake8_bandit.allowed_markup_calls = []
-linter.flake8_bugbear.extend_immutable_calls = []
-linter.flake8_builtins.allowed_modules = []
-linter.flake8_builtins.ignorelist = []
-linter.flake8_builtins.strict_checking = false
-linter.flake8_comprehensions.allow_dict_calls_with_keyword_arguments = false
-linter.flake8_copyright.notice_rgx = (?i)Copyright\s+((?:\(C\)|©)\s+)?\d{4}((-|,\s)\d{4})*
-linter.flake8_copyright.author = none
-linter.flake8_copyright.min_file_size = 0
-linter.flake8_errmsg.max_string_length = 0
-linter.flake8_gettext.function_names = [
-	_,
-	gettext,
-	ngettext,
-]
-linter.flake8_implicit_str_concat.allow_multiline = true
-linter.flake8_import_conventions.aliases = {
-	altair = alt,
-	holoviews = hv,
-	matplotlib = mpl,
-	matplotlib.pyplot = plt,
-	networkx = nx,
-	numpy = np,
-	numpy.typing = npt,
-	pandas = pd,
-	panel = pn,
-	plotly.express = px,
-	polars = pl,
-	pyarrow = pa,
-	seaborn = sns,
-	tensorflow = tf,
-	tkinter = tk,
-	xml.etree.ElementTree = ET,
-}
-linter.flake8_import_conventions.banned_aliases = {}
-linter.flake8_import_conventions.banned_from = []
-linter.flake8_pytest_style.fixture_parentheses = false
-linter.flake8_pytest_style.parametrize_names_type = tuple
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------ stderr -----

crates/ruff/tests/cli/snapshots/cli__lint__requires_python_no_tool.snap

@@ -1,291 +0,0 @@
----
-source: crates/ruff/tests/cli/lint.rs
-info:
-  program: ruff
-  args:
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-    - "--no-cache"
-    - "--output-format"
-    - concise
-    - "--show-settings"
-    - "--select"
-    - UP007
-    - test.py
-    - "-"
----
-success: true
-exit_code: 0
------ stdout -----
-Resolved settings for: "[TMP]/test.py"
-
-# General Settings
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-fix_only = false
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-# Analyze Settings
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-
------ stderr -----

crates/ruff/tests/cli/snapshots/cli__lint__requires_python_no_tool_preview_enabled.snap

@@ -1,293 +0,0 @@
----
-source: crates/ruff/tests/cli/lint.rs
-info:
-  program: ruff
-  args:
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-    - "--no-cache"
-    - "--output-format"
-    - concise
-    - "--preview"
-    - "--show-settings"
-    - "--select"
-    - UP007
-    - test.py
-    - "-"
----
-success: true
-exit_code: 0
------ stdout -----
-Resolved settings for: "[TMP]/test.py"
-
-# General Settings
-cache_dir = "[TMP]/.ruff_cache"
-fix = false
-fix_only = false
-output_format = concise
-show_fixes = false
-unsafe_fixes = hint
-
-# File Resolver Settings
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-	".direnv",
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-# Analyze Settings
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-
------ stderr -----

crates/ruff/tests/cli/snapshots/cli__lint__requires_python_no_tool_target_version_override.snap

@@ -1,293 +0,0 @@
----
-source: crates/ruff/tests/cli/lint.rs
-info:
-  program: ruff
-  args:
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-    - "--no-cache"
-    - "--output-format"
-    - concise
-    - "--show-settings"
-    - "--select"
-    - UP007
-    - "--target-version"
-    - py310
-    - test.py
-    - "-"
----
-success: true
-exit_code: 0
------ stdout -----
-Resolved settings for: "[TMP]/test.py"
-
-# General Settings
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-fix = false
-fix_only = false
-output_format = concise
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-
-# File Resolver Settings
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-	".direnv",
-	".eggs",
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-	".hg",
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-	".pants.d",
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-	".pytest_cache",
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-	".ruff_cache",
-	".svn",
-	".tox",
-	".venv",
-	".vscode",
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-
-# Linter Settings
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-# Analyze Settings
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-
------ stderr -----

crates/ruff/tests/cli/snapshots/cli__lint__requires_python_pyproject_toml_above.snap

@@ -1,290 +0,0 @@
----
-source: crates/ruff/tests/cli/lint.rs
-info:
-  program: ruff
-  args:
-    - check
-    - "--no-cache"
-    - "--output-format"
-    - concise
-    - "--show-settings"
-    - "--select"
-    - UP007
-    - foo/test.py
----
-success: true
-exit_code: 0
------ stdout -----
-Resolved settings for: "[TMP]/foo/test.py"
-
-# General Settings
-cache_dir = "[TMP]/.ruff_cache"
-fix = false
-fix_only = false
-output_format = concise
-show_fixes = false
-unsafe_fixes = hint
-
-# File Resolver Settings
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-	".direnv",
-	".eggs",
-	".git",
-	".git-rewrite",
-	".hg",
-	".ipynb_checkpoints",
-	".mypy_cache",
-	".nox",
-	".pants.d",
-	".pyenv",
-	".pytest_cache",
-	".pytype",
-	".ruff_cache",
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-	".tox",
-	".venv",
-	".vscode",
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-
-# Linter Settings
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-linter.rules.enabled = [
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-# Linter Plugins
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-formatter.quote_style = double
-formatter.magic_trailing_comma = respect
-formatter.docstring_code_format = disabled
-formatter.docstring_code_line_width = dynamic
-
-# Analyze Settings
-analyze.exclude = []
-analyze.preview = disabled
-analyze.target_version = 3.11
-analyze.string_imports = disabled
-analyze.extension = ExtensionMapping({})
-analyze.include_dependencies = {}
-analyze.type_checking_imports = true
-
------ stderr -----