pr-checks.yml

name: PR checks

on:
  pull_request:
    branches: [ master ]

jobs:
  check:
    runs-on: ubuntu-latest

    steps:
      - name: Checkout
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Set up Dart
        uses: dart-lang/setup-dart@v1
        with:
          sdk: stable
          cache: pub

      - name: Fetch base ref
        run: git fetch origin ${{ github.base_ref }}

      - name: Check version bumped
        run: |
          BASE_VERSION=$(git show origin/${{ github.base_ref }}:pubspec.yaml 2>/dev/null | sed -n 's/^version: *//p' | tr -d ' \r' || echo "0.0.0")
          CURRENT_VERSION=$(sed -n 's/^version: *//p' pubspec.yaml | tr -d ' \r')

          if [ -z "$CURRENT_VERSION" ]; then
            echo "::error::Could not read version from pubspec.yaml"
            exit 1
          fi

          if [ "$(printf '%s\n%s' "$BASE_VERSION" "$CURRENT_VERSION" | sort -V | head -1)" = "$CURRENT_VERSION" ] && [ "$BASE_VERSION" != "$CURRENT_VERSION" ]; then
            echo "::error::Version $CURRENT_VERSION is not greater than base version $BASE_VERSION. Bump the version in pubspec.yaml."
            exit 1
          fi

          if [ "$BASE_VERSION" = "$CURRENT_VERSION" ]; then
            echo "::error::Version was not bumped. Base is $BASE_VERSION, current is $CURRENT_VERSION. Bump the version in pubspec.yaml."
            exit 1
          fi

          echo "Version bumped: $BASE_VERSION -> $CURRENT_VERSION"

      - name: Check changelog updated
        run: |
          CURRENT_VERSION=$(sed -n 's/^version: *//p' pubspec.yaml | tr -d ' \r')

          if ! grep -qF "## [$CURRENT_VERSION]" CHANGELOG.md; then
            echo "::error::CHANGELOG.md has no entry for version $CURRENT_VERSION. Add a section '## [$CURRENT_VERSION]' with your changes."
            exit 1
          fi

          echo "CHANGELOG has entry for $CURRENT_VERSION"

      - name: Install dependencies
        run: dart pub get

      - name: Static analysis
        run: dart analyze

      - name: Run tests
        run: dart test

      - name: Publish dry-run
        run: dart pub publish --dry-run