Auto-Merge Test Backport PRs #473
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| name: Auto-Merge Test Backport PRs | |
| on: | |
| schedule: | |
| - cron: "0 * * * *" # Every hour | |
| jobs: | |
| auto-merge: | |
| if: github.repository == 'cockroachdb/cockroach' | |
| runs-on: ubuntu-latest | |
| permissions: | |
| contents: write | |
| pull-requests: write | |
| steps: | |
| - name: Merge qualifying PRs | |
| uses: actions/github-script@v7 | |
| with: | |
| github-token: ${{ secrets.GITHUB_TOKEN }} | |
| script: | | |
| // Get timestamp for 24 hours ago in ISO format | |
| const now = new Date(); | |
| const iso24HoursAgo = new Date(now.getTime() - 24 * 60 * 60 * 1000); | |
| const query = ` | |
| query SearchPRs() { | |
| search(query: "repo:${context.repo.owner}/${context.repo.repo} is:pr is:open label:backport label:backport-test-only", type: ISSUE, first: 100) { | |
| nodes { | |
| ... on PullRequest { | |
| number | |
| createdAt | |
| baseRefName | |
| labels(first: 10) { | |
| nodes { | |
| name | |
| } | |
| } | |
| reviews(last: 50) { | |
| nodes { | |
| state | |
| author { | |
| login | |
| } | |
| } | |
| } | |
| } | |
| } | |
| } | |
| } | |
| `; | |
| const result = await github.graphql(query); | |
| const prs = result.search.nodes; | |
| if (prs.length === 0) { | |
| console.log('No backport PRs found matching criteria'); | |
| } else { | |
| console.log(`Found ${prs.length} backport PR(s) to evaluate`); | |
| } | |
| for (const pr of prs) { | |
| const createdAt = new Date(pr.createdAt); | |
| const isOldEnough = createdAt <= iso24HoursAgo; | |
| if (!isOldEnough) { | |
| console.log(`Skipping PR #${pr.number}: not old enough, only created at ${pr.createdAt}`); | |
| continue; | |
| } | |
| const approved = pr.reviews.nodes.some( | |
| r => | |
| r.state === 'APPROVED' && | |
| r.author?.login === 'blathers-crl' | |
| ); | |
| if (!approved) { | |
| console.log(`Skipping PR #${pr.number}: not approved`); | |
| continue; | |
| } | |
| const labels = pr.labels.nodes.map(l => l.name).join(', '); | |
| const baseRef = pr.baseRefName; | |
| console.log(`Processing PR #${pr.number}, Created at: ${pr.createdAt}, Approved: ${approved}, Target: ${baseRef}, Labels: ${labels}`); | |
| const nonTrunkBranches = ['release-24.1', 'release-25.1', 'release-25.3']; | |
| const useTrunk = !nonTrunkBranches.includes(baseRef); | |
| if (useTrunk) { | |
| // Use comment to trigger trunk merge for trunk-enabled branches | |
| console.log(`Adding /trunk merge comment for PR #${pr.number} (target: ${baseRef})`); | |
| try { | |
| await github.rest.issues.createComment({ | |
| owner: context.repo.owner, | |
| repo: context.repo.repo, | |
| issue_number: pr.number, | |
| body: '/trunk merge' | |
| }); | |
| } catch (err) { | |
| console.warn(`Failed to comment on PR #${pr.number}: ${err.message}`); | |
| } | |
| } else { | |
| // Direct merge for all other branches | |
| console.log(`Directly merging PR #${pr.number} (target: ${baseRef})`); | |
| try { | |
| await github.rest.pulls.merge({ | |
| owner: context.repo.owner, | |
| repo: context.repo.repo, | |
| pull_number: pr.number, | |
| merge_method: "merge", | |
| }); | |
| } catch (err) { | |
| console.warn(`Failed to merge PR #${pr.number}: ${err.message}`); | |
| } | |
| } | |
| } |