publish_dry_run.yml

name: Publish packages (dry run)

on:
  pull_request:
    branches:
      - master
defaults:
  run:
    shell: bash
env:
  PUB_ENVIRONMENT: bot.github
permissions: read-all

jobs:
  get_base_version:
    name: "Get base version"
    runs-on: ubuntu-latest
    strategy:
      matrix:
        package: [ chopper, chopper_generator, chopper_built_value ]
    outputs:
      BASE_VERSION_chopper: ${{ steps.load_base_version.outputs.BASE_VERSION_chopper }}
      BASE_VERSION_chopper_generator: ${{ steps.load_base_version.outputs.BASE_VERSION_chopper_generator }}
      BASE_VERSION_chopper_built_value: ${{ steps.load_base_version.outputs.BASE_VERSION_chopper_built_value }}
    steps:
      - uses: dart-lang/setup-dart@v1
        with:
          sdk: stable
      - id: checkout
        uses: actions/checkout@v3
        with:
          ref: ${{ github.event.pull_request.base.ref }}
      - name: Load base version
        id: load_base_version
        working-directory: ${{ matrix.package }}
        run: |
          set -e
          echo "BASE_VERSION_${{ matrix.package }}=$(yq -r '.version' pubspec.yaml)" >> $GITHUB_OUTPUT
  publish_dry_run:
    name: "Publish DRY RUN"
    needs: get_base_version
    runs-on: ubuntu-latest
    strategy:
      matrix:
        package: [ chopper, chopper_generator, chopper_built_value ]
      fail-fast: true
      max-parallel: 1
    steps:
      - uses: dart-lang/setup-dart@v1
        with:
          sdk: stable
      - id: checkout
        uses: actions/checkout@v3
      - name: Load this version
        id: load_this_version
        working-directory: ${{ matrix.package }}
        run: |
          set -e
          echo "THIS_VERSION=$(yq -r '.version' pubspec.yaml)" >> $GITHUB_ENV
      - name: Compare versions
        id: compare_versions
        env:
          BASE_VERSION_chopper: ${{ needs.get_base_version.outputs.BASE_VERSION_chopper }}
          BASE_VERSION_chopper_generator: ${{ needs.get_base_version.outputs.BASE_VERSION_chopper_generator }}
          BASE_VERSION_chopper_built_value: ${{ needs.get_base_version.outputs.BASE_VERSION_chopper_built_value }}
        working-directory: tool
        run: |
          set -e
          dart pub get
          echo "IS_VERSION_GREATER=$(dart run compare_versions.dart $THIS_VERSION $BASE_VERSION_${{ matrix.package }})" >> $GITHUB_ENV
      - name: Validate pub.dev topics
        id: validate_pub_dev_topics
        working-directory: ${{ matrix.package }}
        run: |
          set -e
          pattern="^[a-z][a-z0-9-]*[a-z0-9]$"
          for topic in $(yq -r '.topics[]' pubspec.yaml); do
            if [[ ! $topic =~ $pattern ]]; then
              echo "Invalid topic: $topic"
              exit 1
            fi
          done
      - name: Create release-specific CHANGELOG
        id: create_changelog
        if: ${{ env.IS_VERSION_GREATER == 1 }}
        working-directory: ${{ matrix.package }}
        run: |
          set -e
          CHANGELOG_PATH=$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 '}' > $CHANGELOG_PATH
          echo -en "\n[https://pub.dev/packages/${{ matrix.package }}/versions/$THIS_VERSION](https://pub.dev/packages/${{ matrix.package }}/versions/$THIS_VERSION)" >> $CHANGELOG_PATH
          echo "CHANGELOG_PATH=$CHANGELOG_PATH" >> $GITHUB_ENV
      - name: Publish (dry run)
        id: publish_dry_run
        if: ${{ env.IS_VERSION_GREATER == 1 }}
        working-directory: ${{ matrix.package }}
        run: |
          set -e
          yq -i 'del(.dependency_overrides)' pubspec.yaml
          dart pub publish --dry-run
      - name: Skip publish (dry run)
        id: skip_publish_dry_run
        if: ${{ env.IS_VERSION_GREATER == 0 }}
        run: echo "Skipping publish (dry run) for ${{ matrix.package }} because the version is not greater than the one on pub.dev"
      - name: Cleanup
        id: cleanup
        if: ${{ always() }}
        run: |
          rm -rf $CHANGELOG_PATH