PR-check.yaml

name: "PR lint: changelog + version bump"
on:
  pull_request:
    types: [opened, reopened, synchronize]

jobs:
  check-files:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 0

      # Enforce changelog updated
      - name: Check changelog updated
        uses: tarides/changelog-check-action@v2
        with:
          changelog: 'changelog.md'

      # Enforce version bump in pyproject.toml
      - name: Verify version bump in pyproject.toml
        id: verify
        run: |
          git fetch origin ${{ github.event.pull_request.base.ref }} --depth=1
          BASE_VERSION=$(git show origin/${{ github.event.pull_request.base.ref }}:pyproject.toml \
            | grep '^version' | head -n1 | sed 's/.*= *//; s/"//g')
          HEAD_VERSION=$(grep '^version' pyproject.toml \
            | head -n1 | sed 's/.*= *//; s/"//g')

          echo "Base version: $BASE_VERSION"
          echo "Head version: $HEAD_VERSION"

          if [ "$BASE_VERSION" = "$HEAD_VERSION" ]; then
            echo "Error: version was not bumped!"
            exit 1
          fi