playwright/.github/workflows/roll_chromium_tip_of_treebuild.yml

name: "PR: bump chromium-tip-of-tree/BUILD_NUMBER"
on:
  workflow_dispatch:
  schedule:
    # At 10:00am UTC  (3AM PST) every tuesday and thursday to build new Chromium Tip-of-tree
    - cron: "0 10 * * 2,4"
jobs:
  trigger-chromium-build:
    name: Trigger Build
    runs-on: ubuntu-20.04
    steps:
      - uses: actions/checkout@v2
      - run: ./browser_patches/chromium-tip-of-tree/roll_to_current_tip_of_tree.sh
      - name: Prepare branch
        id: prepare-branch
        run: |
          if [[ "$(git status --porcelain)" == "" ]]; then
              echo "there are no changes";
              exit 0;
          fi
          echo "::set-output name=HAS_CHANGES::1"
          CURRENT_DATE=$(date +%Y-%b-%d)
          BRANCH_NAME="roll-tip-of-tree-chromium/${CURRENT_DATE}"
          echo "::set-output name=BRANCH_NAME::$BRANCH_NAME"
          echo "::set-output name=CURRENT_DATE::$CURRENT_DATE"
          git config --global user.name github-actions
          git config --global user.email 41898282+github-actions[bot]@users.noreply.github.com
          git checkout -b "$BRANCH_NAME"
          git add .
          git commit -m "browser(chromium-tip-of-tree): roll to $CURRENT_DATE"
          git push origin $BRANCH_NAME          
      - name: Create Pull Request
        if: ${{ steps.prepare-branch.outputs.HAS_CHANGES == '1' }}
        uses: actions/github-script@v4
        with:
          script: |
            await github.pulls.create({
              owner: 'microsoft',
              repo: 'playwright',
              head: 'microsoft:${{ steps.prepare-branch.outputs.BRANCH_NAME }}',
              base: 'main',
              title: 'browser(chromium-tip-of-tree): roll to ${{ steps.prepare-branch.outputs.CURRENT_DATE }}',
            });