automerge #232
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| name: automerge | |
| on: | |
| workflow_run: | |
| workflows: | |
| - CI | |
| - Track approved PRs | |
| types: | |
| - completed | |
| concurrency: | |
| group: automerge-${{ github.event.workflow_run.event }}-${{ github.event.workflow_run.pull_requests[0].number || github.event.workflow_run.id }} | |
| cancel-in-progress: true | |
| env: | |
| HOMEBREW_DEVELOPER: 1 | |
| HOMEBREW_NO_AUTO_UPDATE: 1 | |
| GH_REPO: ${{ github.repository }} | |
| GH_NO_UPDATE_NOTIFIER: 1 | |
| GH_PROMPT_DISABLED: 1 | |
| jobs: | |
| status-check: | |
| runs-on: ubuntu-latest | |
| env: | |
| GH_TOKEN: ${{ secrets.GITHUB_TOKEN }} | |
| if: > | |
| github.event.workflow_run.conclusion == 'success' && | |
| (github.event.workflow_run.event == 'pull_request' || | |
| github.event.workflow_run.name != 'CI') | |
| outputs: | |
| pull-number: ${{ steps.pr.outputs.number }} | |
| approved: ${{ steps.approval-status.outputs.approved }} | |
| complete: ${{ steps.approval-status.outputs.complete }} | |
| permissions: | |
| contents: read | |
| pull-requests: read | |
| actions: read | |
| checks: read | |
| steps: | |
| - name: Dump environment | |
| run: | | |
| printf '```\n' | |
| env | tee -a "$GITHUB_STEP_SUMMARY" | |
| printf '```\n' | |
| - name: Dump payload | |
| run: | | |
| printf '```\n' | |
| jq . "$GITHUB_EVENT_PATH" | tee -a "$GITHUB_STEP_SUMMARY" | |
| printf '```\n' | |
| - name: Download `pull-number` artifact | |
| run: gh run download --name pull-number "$WORKFLOW_ID" | |
| env: | |
| WORKFLOW_ID: ${{ github.event.workflow_run.id }} | |
| - run: echo "number=$(cat number)" >> "$GITHUB_OUTPUT" | |
| id: pr | |
| - name: Check PR labels | |
| id: check-labels | |
| env: | |
| PR: ${{ steps.pr.outputs.number }} | |
| run: | | |
| publishable=yes | |
| while IFS='' read -r label | |
| do | |
| if [[ "$label" = "do not merge" ]] || | |
| [[ "$label" = "new formula" ]] || | |
| [[ "$label" = "automerge-skip" ]] || | |
| [[ "$label" = "CI-published-bottle-commits" ]] | |
| then | |
| publishable=no | |
| break | |
| fi | |
| done < <( | |
| gh api \ | |
| --header 'Accept: application/vnd.github+json' \ | |
| --header 'X-GitHub-Api-Version: 2022-11-28' \ | |
| "repos/$GH_REPO/pulls/$PR" \ | |
| --jq '.labels[].name' | |
| ) | |
| echo "publishable=$publishable" >> "$GITHUB_OUTPUT" | |
| - name: Get approval and CI status | |
| if: steps.check-labels.outputs.publishable == 'yes' | |
| id: approval-status | |
| env: | |
| PR: ${{ steps.pr.outputs.number }} | |
| run: | | |
| attempt=0 | |
| max_attempts=10 | |
| timeout=10 | |
| approved=no | |
| complete=no | |
| while [[ "$attempt" -le "$max_attempts" ]] | |
| do | |
| while IFS='' read -r review | |
| do | |
| if [[ "$review" = "COMMENTED" ]] | |
| then | |
| approved=yes | |
| break | |
| fi | |
| done < <( | |
| [[ "$approved" = "no" ]] && | |
| gh api \ | |
| --header 'Accept: application/vnd.github+json' \ | |
| --header 'X-GitHub-Api-Version: 2022-11-28' \ | |
| "repos/$GH_REPO/pulls/$PR/reviews" \ | |
| --jq '.[].state' | |
| ) | |
| if [[ "$complete" = "no" ]] && gh pr checks "$PR" | |
| then | |
| complete=yes | |
| fi | |
| if [[ "$approved" = "yes" ]] && [[ "$complete" = "yes" ]] | |
| then | |
| break | |
| fi | |
| echo "::notice ::PR #$PR not yet approved. Checking again in ${timeout}s..." | |
| sleep "$timeout" | |
| attempt=$(( attempt + 1 )) | |
| timeout=$(( timeout * 2 )) | |
| done | |
| echo "approved=$approved" >> "$GITHUB_OUTPUT" | |
| echo "complete=$complete" >> "$GITHUB_OUTPUT" | |
| merge: | |
| runs-on: ubuntu-latest | |
| needs: status-check | |
| if: needs.status-check.outputs.approved == 'yes' && needs.status-check.outputs.complete == 'yes' | |
| container: | |
| image: ghcr.io/homebrew/ubuntu22.04:master | |
| permissions: | |
| contents: read | |
| pull-requests: read | |
| checks: read | |
| actions: write # to dispatch publish workflow | |
| env: | |
| HOMEBREW_GITHUB_API_TOKEN: ${{ secrets.GITHUB_TOKEN }} | |
| PR: ${{ needs.status-check.outputs.pull-number }} | |
| defaults: | |
| run: | |
| shell: bash | |
| steps: | |
| - name: Set up Homebrew | |
| uses: Homebrew/actions/setup-homebrew@master | |
| - run: echo brew pr-publish "$PR" |