update-base.yml

name: Update Base Branch

on:
  pull_request_target:
    types: [ labeled ]

jobs:
  update:
    if: ${{ github.event.label.name == 'update-base' }}
    runs-on: ubuntu-latest
    outputs:
      result: ${{ steps.update-base.outputs.result }}
    steps:
      - uses: actions/checkout@v4
      - uses: ./.github/actions/update-base/
        id: update-base
        with:
          github-token: ${{ secrets.GITHUB_TOKEN }}
          pull-number: ${{ github.event.number }}

  drop-invalid-mappings:
    needs: update
    if: ${{ needs.update.outputs.result == 'success' }}
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
        with:
          ref: ${{ github.head_ref }}
          repository: ${{ github.event.pull_request.head.repo.full_name }}
      # The container image openjdk:21 doesn't have git installed
      - uses: actions/setup-java@v4
        with:
          distribution: 'temurin'
          java-version: '21'
      - name: Drop invalid mappings
        run: ./gradlew dropInvalidMappings --stacktrace
      - name: Check for changes in the mappings directory
        id: check-mappings-dir
        run: |
          if output=$(git status --porcelain) && [ -z "$output" ]; then
            echo "No changes in the mappings directory"
            echo "::set-output name=result::clean"
          else
            echo "There are changes in the mappings directory"
            echo "::set-output name=result::dirty"
          fi

      - name: Commit changes
        if: ${{ steps.check-mappings-dir.outputs.result == 'dirty' }}
        run: |
          git config user.name "actions-user"
          git config user.email "action@github.com"
          git add mappings/
          git commit -m "Drop invalid mappings"
          git push