|
| 1 | +name: Label PR review state |
| 2 | + |
| 3 | +on: |
| 4 | + schedule: |
| 5 | + - cron: '0 * * * *' # hourly |
| 6 | + workflow_dispatch: |
| 7 | + |
| 8 | +permissions: |
| 9 | + pull-requests: write |
| 10 | + |
| 11 | +concurrency: |
| 12 | + group: label-pr-review-state |
| 13 | + cancel-in-progress: false |
| 14 | + |
| 15 | +jobs: |
| 16 | + reconcile: |
| 17 | + runs-on: ubuntu-latest |
| 18 | + steps: |
| 19 | + - name: Reconcile PR review state labels |
| 20 | + uses: actions/github-script@ed597411d8f924073f98dfc5c65a23a2325f34cd # v8 |
| 21 | + with: |
| 22 | + script: | |
| 23 | + const { owner, repo } = context.repo; |
| 24 | + const stateLabels = ['awaiting-author', 'awaiting-review']; |
| 25 | + const failures = []; |
| 26 | +
|
| 27 | + const prs = await github.paginate(github.rest.pulls.list, { |
| 28 | + owner, repo, state: 'open', per_page: 100, |
| 29 | + }); |
| 30 | +
|
| 31 | + for (const pr of prs) { |
| 32 | + try { |
| 33 | + const reviews = await github.paginate(github.rest.pulls.listReviews, { |
| 34 | + owner, repo, pull_number: pr.number, per_page: 100, |
| 35 | + }); |
| 36 | +
|
| 37 | + // Reviews are returned chronologically, so later entries replace |
| 38 | + // each reviewer's earlier decision. |
| 39 | + const latest = new Map(); |
| 40 | + for (const r of reviews) { |
| 41 | + if (r.state !== 'COMMENTED') { |
| 42 | + latest.set(r.user.login, r); |
| 43 | + } |
| 44 | + } |
| 45 | +
|
| 46 | + const changeRequestReviewers = [...latest.entries()] |
| 47 | + .filter(([, review]) => review.state === 'CHANGES_REQUESTED') |
| 48 | + .map(([login]) => login); |
| 49 | + const requestedReviewers = new Set( |
| 50 | + pr.requested_reviewers.map(reviewer => reviewer.login), |
| 51 | + ); |
| 52 | +
|
| 53 | + let desiredLabel = null; |
| 54 | + if (changeRequestReviewers.length > 0) { |
| 55 | + desiredLabel = changeRequestReviewers.every( |
| 56 | + reviewer => requestedReviewers.has(reviewer), |
| 57 | + ) |
| 58 | + ? 'awaiting-review' |
| 59 | + : 'awaiting-author'; |
| 60 | + } |
| 61 | +
|
| 62 | + const currentLabels = new Set(pr.labels.map(label => label.name)); |
| 63 | + for (const label of stateLabels) { |
| 64 | + if (label !== desiredLabel && currentLabels.has(label)) { |
| 65 | + await github.rest.issues.removeLabel({ |
| 66 | + owner, repo, issue_number: pr.number, name: label, |
| 67 | + }); |
| 68 | + } |
| 69 | + } |
| 70 | +
|
| 71 | + if (desiredLabel && !currentLabels.has(desiredLabel)) { |
| 72 | + await github.rest.issues.addLabels({ |
| 73 | + owner, repo, issue_number: pr.number, labels: [desiredLabel], |
| 74 | + }); |
| 75 | + } |
| 76 | +
|
| 77 | + if ( |
| 78 | + desiredLabel !== 'awaiting-author' && |
| 79 | + currentLabels.has('stale-awaiting-author') |
| 80 | + ) { |
| 81 | + await github.rest.issues.removeLabel({ |
| 82 | + owner, repo, issue_number: pr.number, |
| 83 | + name: 'stale-awaiting-author', |
| 84 | + }); |
| 85 | + } |
| 86 | + } catch (error) { |
| 87 | + failures.push(`#${pr.number}: ${error.message}`); |
| 88 | + core.error(`Failed to reconcile PR #${pr.number}: ${error.message}`); |
| 89 | + } |
| 90 | + } |
| 91 | +
|
| 92 | + if (failures.length > 0) { |
| 93 | + core.setFailed(`Failed to reconcile ${failures.length} PR(s): ${failures.join('; ')}`); |
| 94 | + } |
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