pre-commit.yml

name: Pre-commit Checks

on: [pull_request]

jobs:
  pre-commit:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout repository
        uses: actions/checkout@v6
        with:
          fetch-depth: 0

      - name: Set up Python
        uses: actions/setup-python@v6
        with:
          python-version: '3.12'

      - name: Cache pre-commit environments
        uses: actions/cache@v4
        with:
          path: ~/.cache/pre-commit
          key: pre-commit-${{ hashFiles('.pre-commit-config.yaml') }}

      - name: Run pre-commit hooks
        run: |
          pip install pre-commit
          # generate-cli-docs requires the full areal package (language: system),
          # which is not installed in CI. Skip it here; it runs locally instead.
          SKIP=generate-cli-docs pre-commit run --all-files

      - name: Validate commit messages
        run: |
          pip install conventional-pre-commit
          FAILED=0
          for SHA in $(git log --no-merges --format=%H origin/${{ github.base_ref }}..HEAD); do
            git log --format=%B -1 "$SHA" > /tmp/commit_msg
            if ! conventional-pre-commit feat fix docs style refactor perf test build ci chore revert /tmp/commit_msg; then
              echo "❌ Bad commit: $(git log --format=%s -1 "$SHA")"
              FAILED=1
            fi
          done
          exit $FAILED