Update Feature Branches #94
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| name: Update Feature Branches | |
| on: | |
| workflow_dispatch: | |
| inputs: | |
| branch_patterns: | |
| description: 'Space-separated list of feature branch patterns' | |
| default: 'feature_branch/*' | |
| required: true | |
| main_branch: | |
| description: 'Main branch to merge' | |
| default: 'main' | |
| required: true | |
| schedule: | |
| - cron: "0 16 * * 1" # Mondays, 4pm UTC = 9am PST / 10am PDT | |
| env: | |
| defaultBranchPattern: "feature_branch/*" | |
| defaultMainBranch: "main" | |
| triggerTestsLabel: "tests-requested: quick" | |
| branchPrefix: "workflow/auto-merge-feature-branch-" | |
| jobs: | |
| list_feature_branches: | |
| name: list-feature-branches | |
| runs-on: ubuntu-20.04 | |
| outputs: | |
| branch_list: ${{ steps.get-branches.outputs.branch_list }} | |
| steps: | |
| - name: Check out repo (if needed) | |
| if: ${{ github.event.inputs.branch_list == '' }} | |
| uses: actions/checkout@v3 | |
| - name: Get list of feature branches | |
| id: get-branches | |
| run: | | |
| branch_pattern='origin/${{ env.defaultBranchPattern }}' | |
| if [[ -n '${{ github.event.inputs.branch_patterns }}' ]]; then | |
| branch_pattern=origin/$(echo '${{ github.event.inputs.branch_patterns }}' | sed 's| | origin/|g') | |
| fi | |
| git remote update | |
| echo "Branch pattern: ${branch_pattern}" | |
| branch_list=$(git branch --list --all "${branch_pattern}") | |
| if [[ -n ${branch_list} ]]; then | |
| # If there's at least one entry, process the list. | |
| echo "Remote branch list: ${branch_list}" | |
| # Remove remotes/origin/ from each branch. | |
| branch_list=$(echo ${branch_list} | sed 's| remotes/origin/| |g' | sed 's|^remotes/origin/||') | |
| # Change spaces to commas. | |
| branch_list=$(echo ${branch_list} | sed 's/ /,/g') | |
| # Add quotes around each branch name. | |
| branch_list='"'$(echo ${branch_list} | sed 's/,/","/g')'"' | |
| fi | |
| echo "::warning ::Branch list: [${branch_list}]" | |
| echo "branch_list=[${branch_list}]" >> $GITHUB_OUTPUT | |
| create_merge_prs: | |
| name: create-merge-pr-${{ matrix.branch_name }} | |
| needs: [ list_feature_branches ] | |
| runs-on: ubuntu-20.04 | |
| if: ${{ needs.list_feature_branches.outputs.branch_list != '[]' }} | |
| strategy: | |
| fail-fast: false | |
| matrix: | |
| branch_name: ${{ fromJson(needs.list_feature_branches.outputs.branch_list) }} | |
| steps: | |
| - name: Get token for firebase-workflow-trigger | |
| uses: tibdex/github-app-token@v1 | |
| id: generate-token | |
| with: | |
| app_id: ${{ secrets.WORKFLOW_TRIGGER_APP_ID }} | |
| private_key: ${{ secrets.WORKFLOW_TRIGGER_APP_PRIVATE_KEY }} | |
| - name: Setup python | |
| uses: actions/setup-python@v4 | |
| with: | |
| python-version: 3.8 | |
| - uses: actions/checkout@v3 | |
| with: | |
| ref: ${{ matrix.branch_name }} | |
| fetch-depth: 0 | |
| submodules: false | |
| - name: Install prerequisites | |
| run: | | |
| python scripts/gha/install_prereqs_desktop.py | |
| python -m pip install requests | |
| - name: Name new branch | |
| run: | | |
| date_str=$(date "+%Y%m%d-%H%M%S") | |
| echo "NEW_BRANCH=${{env.branchPrefix}}${{github.run_number}}-${date_str}" >> $GITHUB_ENV | |
| - name: Create merge PR | |
| id: create-pr | |
| run: | | |
| git config user.email "[email protected]" | |
| git config user.name "firebase-workflow-trigger-bot" | |
| git config core.commentChar "%" # so we can use # in git commit messages | |
| main_branch='${{ env.defaultMainBranch }}' | |
| if [[ -n '${{ github.event.inputs.main_branch }}' ]]; then | |
| main_branch='${{ github.event.inputs.main_branch }}' | |
| fi | |
| # Attempt a merge, then check if any files changed. | |
| git merge --no-commit --no-ff "origin/${main_branch}" || true | |
| if git diff --quiet ${{ matrix.branch_name }}; then | |
| # No merge necessary. | |
| echo "::warning ::No merge needed for ${{ matrix.branch_name }}, won't create pull request." | |
| echo "created_pr_number=0" >> $GITHUB_OUTPUT | |
| exit 0 | |
| fi | |
| # Undo the actual merge. Let the PR creation handle it. | |
| git merge --abort | |
| date_str=$(date "+%b %d, %Y") | |
| pr_title="Automatic merge of ${main_branch} into ${{ matrix.branch_name }} - ${date_str}" | |
| pr_body="Automatic merge of ${main_branch} into ${{ matrix.branch_name }}. | |
| > Created on ${date_str} by [${{github.workflow}} workflow]($GITHUB_SERVER_URL/$GITHUB_REPOSITORY/actions/runs/$GITHUB_RUN_ID). | |
| " | |
| git checkout main | |
| git checkout -b "${NEW_BRANCH}" | |
| git push --set-upstream origin "${NEW_BRANCH}" | |
| pr_number=$(python scripts/gha/create_pull_request.py --token ${{ steps.generate-token.outputs.token }} --base "${{ matrix.branch_name }}" --head "${NEW_BRANCH}" --title "${pr_title}" --body "${pr_body}") | |
| echo "created_pr_number=${pr_number}" >> $GITHUB_OUTPUT | |
| - name: Set test trigger label. | |
| uses: actions-ecosystem/action-add-labels@v1 | |
| if: ${{ steps.create-pr.outputs.created_pr_number }} | |
| with: | |
| github_token: ${{ steps.generate-token.outputs.token }} | |
| number: ${{ steps.create-pr.outputs.created_pr_number }} | |
| labels: "${{ env.triggerTestsLabel }}" |