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

name: ty ecosystem-analyzer

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

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
  REF_NAME: ${{ github.ref_name }}

jobs:
  ty-ecosystem-analyzer:
    name: Compute diagnostic diff
    runs-on: ${{ github.repository == 'astral-sh/ruff' && 'depot-ubuntu-22.04-32' || 'ubuntu-latest' }}
    timeout-minutes: 20
    if: contains( github.event.pull_request.labels.*.name, 'ecosystem-analyzer')
    steps:
      - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
        with:
          path: ruff
          fetch-depth: 0
          persist-credentials: false

      - name: Install the latest version of uv
        uses: astral-sh/setup-uv@1e862dfacbd1d6d858c55d9b792c756523627244 # v7.1.4
        with:
          enable-cache: true # zizmor: ignore[cache-poisoning] acceptable risk for CloudFlare pages artifact

      - uses: Swatinem/rust-cache@779680da715d629ac1d338a641029a2f4372abb5 # v2.8.2
        with:
          workspaces: "ruff"
          lookup-only: false # zizmor: ignore[cache-poisoning] acceptable risk for CloudFlare pages artifact

      - name: Install Rust toolchain
        run: rustup show

      - name: Compute diagnostic diff
        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

          echo "new commit"
          git checkout -b new_commit "$GITHUB_SHA"
          git rev-list --format=%s --max-count=1 new_commit
          cp crates/ty_python_semantic/resources/primer/good.txt projects_new.txt

          echo "old commit (merge base)"
          MERGE_BASE="$(git merge-base "$GITHUB_SHA" "origin/$GITHUB_BASE_REF")"
          git checkout -b old_commit "$MERGE_BASE"
          git rev-list --format=%s --max-count=1 old_commit
          cp crates/ty_python_semantic/resources/primer/good.txt projects_old.txt

          cd ..

          uv tool install "git+https://github.com/astral-sh/ecosystem-analyzer@2e1816eac09c90140b1ba51d19afc5f59da460f5"

          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

          mkdir dist

          ecosystem-analyzer \
            generate-diff \
            diagnostics-old.json \
            diagnostics-new.json \
            --old-name "main (merge base)" \
            --new-name "$REF_NAME" \
            --output-html dist/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@ea165f8d65b6e75b540449e92b4886f43607fa02 # v4.6.2
        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@ea165f8d65b6e75b540449e92b4886f43607fa02 # v4.6.2
        with:
          name: comment.md
          path: comment.md

      - name: Upload diagnostics diff
        uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02 # v4.6.2
        with:
          name: diff.html
          path: dist/diff.html

      - name: Upload timing diff
        uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02 # v4.6.2
        with:
          name: timing.html
          path: dist/timing.html