|
| 1 | +name: Update Feature Branches |
| 2 | +on: |
| 3 | + workflow_dispatch: |
| 4 | + inputs: |
| 5 | + branch_patterns: |
| 6 | + description: 'Space-separated list of feature branch patterns' |
| 7 | + default: 'feature_branch/*' |
| 8 | + required: true |
| 9 | + main_branch: |
| 10 | + description: 'Main branch to merge' |
| 11 | + default: 'main' |
| 12 | + required: true |
| 13 | + schedule: |
| 14 | + - cron: "0 16 * * 1" # Mondays, 4pm UTC = 9am PST / 10am PDT |
| 15 | + |
| 16 | +env: |
| 17 | + defaultBranchPattern: "feature_branch/*" |
| 18 | + defaultMainBranch: "main" |
| 19 | + triggerTestsLabel: "tests-requested: quick" |
| 20 | + branchPrefix: "workflow/auto-merge-feature-branch-" |
| 21 | + |
| 22 | + |
| 23 | +jobs: |
| 24 | + list_feature_branches: |
| 25 | + name: list-feature-branches |
| 26 | + runs-on: ubuntu-20.04 |
| 27 | + outputs: |
| 28 | + branch_list: ${{ steps.get-branches.outputs.branch_list }} |
| 29 | + steps: |
| 30 | + - name: Check out repo (if needed) |
| 31 | + if: ${{ github.event.inputs.branch_list == '' }} |
| 32 | + uses: actions/checkout@v3 |
| 33 | + |
| 34 | + - name: Get list of feature branches |
| 35 | + id: get-branches |
| 36 | + run: | |
| 37 | + branch_pattern='origin/${{ env.defaultBranchPattern }}' |
| 38 | + if [[ -n '${{ github.event.inputs.branch_patterns }}' ]]; then |
| 39 | + branch_pattern=origin/$(echo '${{ github.event.inputs.branch_patterns }}' | sed 's| | origin/|g') |
| 40 | + fi |
| 41 | + git remote update |
| 42 | + echo "Branch pattern: ${branch_pattern}" |
| 43 | + branch_list=$(git branch --list --all "${branch_pattern}") |
| 44 | + if [[ -n ${branch_list} ]]; then |
| 45 | + # If there's at least one entry, process the list. |
| 46 | + echo "Remote branch list: ${branch_list}" |
| 47 | + # Remove remotes/origin/ from each branch. |
| 48 | + branch_list=$(echo ${branch_list} | sed 's| remotes/origin/| |g' | sed 's|^remotes/origin/||') |
| 49 | + # Change spaces to commas. |
| 50 | + branch_list=$(echo ${branch_list} | sed 's/ /,/g') |
| 51 | + # Add quotes around each branch name. |
| 52 | + branch_list='"'$(echo ${branch_list} | sed 's/,/","/g')'"' |
| 53 | + fi |
| 54 | + echo "::warning ::Branch list: [${branch_list}]" |
| 55 | + echo "branch_list=[${branch_list}]" >> $GITHUB_OUTPUT |
| 56 | +
|
| 57 | + create_merge_prs: |
| 58 | + name: create-merge-pr-${{ matrix.branch_name }} |
| 59 | + needs: [ list_feature_branches ] |
| 60 | + runs-on: ubuntu-20.04 |
| 61 | + if: ${{ needs.list_feature_branches.outputs.branch_list != '[]' }} |
| 62 | + strategy: |
| 63 | + fail-fast: false |
| 64 | + matrix: |
| 65 | + branch_name: ${{ fromJson(needs.list_feature_branches.outputs.branch_list) }} |
| 66 | + steps: |
| 67 | + - name: Get token for firebase-workflow-trigger |
| 68 | + uses: tibdex/github-app-token@v1 |
| 69 | + id: generate-token |
| 70 | + with: |
| 71 | + app_id: ${{ secrets.WORKFLOW_TRIGGER_APP_ID }} |
| 72 | + private_key: ${{ secrets.WORKFLOW_TRIGGER_APP_PRIVATE_KEY }} |
| 73 | + |
| 74 | + - name: Setup python |
| 75 | + uses: actions/setup-python@v4 |
| 76 | + with: |
| 77 | + python-version: 3.7 |
| 78 | + |
| 79 | + - uses: actions/checkout@v3 |
| 80 | + with: |
| 81 | + ref: ${{ matrix.branch_name }} |
| 82 | + fetch-depth: 0 |
| 83 | + submodules: false |
| 84 | + |
| 85 | + - name: Install prerequisites |
| 86 | + run: | |
| 87 | + python scripts/gha/install_prereqs_desktop.py |
| 88 | + python -m pip install requests |
| 89 | +
|
| 90 | + - name: Name new branch |
| 91 | + run: | |
| 92 | + date_str=$(date "+%Y%m%d-%H%M%S") |
| 93 | + echo "NEW_BRANCH=${{env.branchPrefix}}${{github.run_number}}-${date_str}" >> $GITHUB_ENV |
| 94 | +
|
| 95 | + - name: Create merge PR |
| 96 | + id: create-pr |
| 97 | + run: | |
| 98 | + git config user.email "firebase-workflow-trigger-bot@google.com" |
| 99 | + git config user.name "firebase-workflow-trigger-bot" |
| 100 | + git config core.commentChar "%" # so we can use # in git commit messages |
| 101 | +
|
| 102 | + main_branch='${{ env.defaultMainBranch }}' |
| 103 | + if [[ -n '${{ github.event.inputs.main_branch }}' ]]; then |
| 104 | + main_branch='${{ github.event.inputs.main_branch }}' |
| 105 | + fi |
| 106 | + # Attempt a merge, then check if any files changed. |
| 107 | + git merge --no-commit --no-ff "origin/${main_branch}" || true |
| 108 | + if git diff --quiet ${{ matrix.branch_name }}; then |
| 109 | + # No merge necessary. |
| 110 | + echo "::warning ::No merge needed for ${{ matrix.branch_name }}, won't create pull request." |
| 111 | + echo "created_pr_number=0" >> $GITHUB_OUTPUT |
| 112 | + exit 0 |
| 113 | + fi |
| 114 | +
|
| 115 | + # Undo the actual merge. Let the PR creation handle it. |
| 116 | + git merge --abort |
| 117 | +
|
| 118 | + date_str=$(date "+%b %d, %Y") |
| 119 | +
|
| 120 | + pr_title="Automatic merge of ${main_branch} into ${{ matrix.branch_name }} - ${date_str}" |
| 121 | + pr_body="Automatic merge of ${main_branch} into ${{ matrix.branch_name }}. |
| 122 | +
|
| 123 | + > Created on ${date_str} by [${{github.workflow}} workflow]($GITHUB_SERVER_URL/$GITHUB_REPOSITORY/actions/runs/$GITHUB_RUN_ID). |
| 124 | + " |
| 125 | + git checkout main |
| 126 | + git checkout -b "${NEW_BRANCH}" |
| 127 | + git push --set-upstream origin "${NEW_BRANCH}" |
| 128 | + pr_number=$(python scripts/gha/create_pull_request.py --token ${{ steps.generate-token.outputs.token }} --base "${{ matrix.branch_name }}" --head "${NEW_BRANCH}" --title "${pr_title}" --body "${pr_body}") |
| 129 | + echo "created_pr_number=${pr_number}" >> $GITHUB_OUTPUT |
| 130 | +
|
| 131 | + - name: Set test trigger label. |
| 132 | + uses: actions-ecosystem/action-add-labels@v1 |
| 133 | + if: ${{ steps.create-pr.outputs.created_pr_number }} |
| 134 | + with: |
| 135 | + github_token: ${{ steps.generate-token.outputs.token }} |
| 136 | + number: ${{ steps.create-pr.outputs.created_pr_number }} |
| 137 | + labels: "${{ env.triggerTestsLabel }}" |
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