.github/workflows/batch_release_pr.yml

name: "Creates Batch Release for a Package"

on:
  repository_dispatch:
    types: [batch-release-pr]

jobs:
  create_release_pr:
    runs-on: ubuntu-latest
    env:
      BRANCH_NAME: ${{ github.event.client_payload.package }}-${{ github.run_id }}-${{ github.run_attempt }}
    steps:
      - name: checkout repository
        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd
      - name: "Install Flutter"
        uses: ./.github/workflows/internals/install_flutter
      - name: Set up tools
        run: dart pub get
        working-directory: ${{ github.workspace }}/script/tool
      # This step is to create a branch for batch release
      # A branch may not be created if there is nothing to release.
      # In that case, the workflow will exit and complete successfully.
      - name: create batch release branch
        run: |
          git config --global user.name ${{ secrets.USER_NAME }}
          git config --global user.email ${{ secrets.USER_EMAIL }}
          dart ./script/tool/lib/src/main.dart branch-for-batch-release --packages=${{ github.event.client_payload.package }} --branch=${{ env.BRANCH_NAME }} --remote=origin
      - name: Check if branch was created
        id: check-branch-exists
        run: |
          if git show-ref --verify --quiet refs/heads/${{ env.BRANCH_NAME }}; then
            echo "exists=true" >> $GITHUB_OUTPUT
          else
            echo "exists=false" >> $GITHUB_OUTPUT
          fi

      - name: Create batch release PR
        if: steps.check-branch-exists.outputs.exists == 'true'
        uses: peter-evans/create-pull-request@c0f553fe549906ede9cf27b5156039d195d2ece0
        with:
          token: ${{ secrets.GITHUB_TOKEN }}
          commit-message: "[${{ github.event.client_payload.package }}] Batch release"
          title: "[${{ github.event.client_payload.package }}] Batch release"
          body: "This PR was created automatically to batch release the `${{ github.event.client_payload.package }}`."
          branch: ${{ env.BRANCH_NAME }}
          base: release-${{ github.event.client_payload.package }}