publish.yml

name: Publish package

on:
  push:
    tags:
      - 'v[0-9]+.[0-9]+.[0-9]+*' # tag pattern on pub.dev: 'v'
defaults:
  run:
    shell: bash
env:
  PUB_ENVIRONMENT: bot.github
permissions: read-all

jobs:
  test:
    uses: ./.github/workflows/test.yml
  publish:
    needs: test
    name: "Publish"
    permissions:
      id-token: write
    runs-on: ubuntu-latest
    environment: pub.dev
    steps:
      - uses: dart-lang/setup-dart@v1
        with:
          sdk: stable
      - id: checkout
        uses: actions/checkout@v4
      - name: Compare version with ref/tag
        id: compare_version_with_tag
        run: |
          set -e
          VERSION=$(awk '/^version: / {print $2}' pubspec.yaml)
          TAG=${GITHUB_REF_NAME#v}
          if [[ "$VERSION" != "$TAG" ]]; then
            echo "Version in pubspec.yaml ($VERSION) does not match tag ($TAG)"
            exit 1
          fi
      - name: Check CHANGELOG.md
        id: check_changelog
        run: |
          set -e
          if ! grep -q "## $VERSION" CHANGELOG.md; then
            echo "CHANGELOG.md does not contain a section for $VERSION"
            exit 1
          fi
      - name: Validate pub.dev topics
        id: validate_pub_dev_topics
        run: |
          set -e
          pattern="^[a-z][a-z0-9-]*[a-z0-9]$"
          for topic in $(yq -r '.topics[]' pubspec.yaml); do
            if [[ ! $topic =~ $pattern ]]; then
              echo "Invalid topic: $topic"
              exit 1
            fi
          done
      - name: Install dependencies
        run: dart pub get
      - name: Publish
        id: publish
        run: dart pub publish --force
  release:
    needs: [ test, publish ]
    name: "Release"
    runs-on: ubuntu-latest
    permissions:
      contents: write
    steps:
      - uses: actions/checkout@v4
      - name: Get version from pubspec.yaml
        id: get_version_and_name
        run: |
          set -e
          VERSION=$(awk '/^version: / {print $2}' pubspec.yaml)
          NAME=$(awk '/^name: / {print $2}' pubspec.yaml)
          echo "VERSION=$VERSION" >> $GITHUB_ENV
          echo "NAME=$NAME" >> $GITHUB_ENV
      - name: Create tag-specific CHANGELOG
        id: create_changelog
        run: |
          set -e
          CHANGELOG_PATH=$RUNNER_TEMP/CHANGELOG.md
          awk '/^##[[:space:]].*/ { if (count == 1) exit; count++; print } count == 1 && !/^##[[:space:]].*/ { print }' CHANGELOG.md | sed -e :a -e '/^\n*$/{$d;N;ba' -e '}' > $CHANGELOG_PATH
          echo -en "\n[https://pub.dev/packages/$NAME/versions/$VERSION](https://pub.dev/packages/$NAME/versions/$VERSION)" >> $CHANGELOG_PATH
          echo "CHANGELOG_PATH=$CHANGELOG_PATH" >> $GITHUB_ENV
      - name: Create release
        id: create_release
        uses: softprops/action-gh-release@v2
        with:
          name: ${{ env.VERSION }}
          tag_name: v${{ env.VERSION }}
          body_path: ${{ env.CHANGELOG_PATH }}
      - name: Clean up
        id: clean_up
        if: ${{ always() }}
        run: |
          rm -rf $CHANGELOG_PATH