[Fix] Awaiting-author label clears before maintainer re-review after author pushes - #1672
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📝 SummarySummary by CodeRabbit
WalkthroughThe workflow now preserves per-maintainer change-request blockers across review history. It clears blockers only after a matching author re-request, newer maintainer review, or dismissal. Tests cover reconstruction, failure handling, ordering, and label decisions. ChangesMaintainer blocker reconciliation
Priority: ➖ Normal Estimated code review effort: 4 (Complex) | ~45 minutes Change: Bug fix · Severity of issue fixed: Medium Suggested reviewers: Sequence Diagram(s)sequenceDiagram
participant PullRequestEvent
participant LabelWorkflow
participant GitHubReviewAPI
participant GitHubTimelineAPI
PullRequestEvent->>LabelWorkflow: trigger review-state reconciliation
LabelWorkflow->>GitHubReviewAPI: read review history
GitHubReviewAPI-->>LabelWorkflow: maintainer review states
LabelWorkflow->>GitHubTimelineAPI: read timeline events
GitHubTimelineAPI-->>LabelWorkflow: author review requests
LabelWorkflow->>LabelWorkflow: retain or clear blockers
LabelWorkflow-->>PullRequestEvent: apply review-state label
Merge Risk: 🔵 Low · up to The change is mergeable with a small rate-limit efficiency concern: some workflow runs may make redundant GitHub API requests. 🚥 Pre-merge checks | ✅ 7 | ❌ 1❌ Failed checks (1 warning)
✅ Passed checks (7 passed)
Full details: Regression EvidenceExplanation The new blocker tests cover API failure and an older valid re-request timestamp, but they omit the changed fail-closed behavior for missing or invalid timestamps. The workflow explicitly preserves the blocker when Resolution Add focused tests for author re-request events with missing and invalid ✨ Finishing Touches🧪 Generate unit tests (beta)
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Inline comments:
In @.github/workflows/label-pr-review-state.yml:
- Line 674: Update permissionFor to memoize collaborator permissions by a
normalized, lowercase login using a shared permissionCache Map, returning cached
values before making API requests. Cache both successful permissions and the 404
“none” result while preserving existing error propagation for other failures.
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.github/workflows/label-pr-review-state.ymlsrc/services/__tests__/pr-review-state-workflow.test.ts
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Check persistence and lifecycle invariants: awaited atomic writes, rollback or explicit partial-failure behavior, cross-window state consistency, stale listeners/watchers, cancellation, idempotency, and safe restart/resume without lost or d...
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Check strict typing and exhaustive behavior across normal, boundary, error, cancellation, retry, and compatibility paths.
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Require full commit SHA pins, least-privilege permissions, safe expression and shell interpolation, and trusted metadata handling.
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src/services/__tests__/pr-review-state-workflow.test.ts
🪛 zizmor (1.30.0)
.github/workflows/label-pr-review-state.yml
[error] 3-26: use of fundamentally insecure workflow trigger (dangerous-triggers): pull_request_target is almost always used insecurely
(dangerous-triggers)
[error] 3-26: use of fundamentally insecure workflow trigger (dangerous-triggers): workflow_run is almost always used insecurely
(dangerous-triggers)
🔇 Additional comments (2)
.github/workflows/label-pr-review-state.yml (1)
17-17: LGTM!Also applies to: 342-342, 679-717, 751-753, 815-815
src/services/__tests__/pr-review-state-workflow.test.ts (1)
57-66: LGTM!Also applies to: 153-153, 222-234, 320-320, 419-419, 1856-2218
github-actions
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Related GitHub Issue
Fixes #1671
Description
The review-state workflow previously derived
awaiting-authoronly from maintainer reviews attached to the current head SHA, so an author push or base-branch merge silently dropped a maintainer'sCHANGES_REQUESTEDand the PR could flip toawaiting-maintainerwithout the author ever re-requesting review from the blocking maintainer.This PR makes maintainer change requests durable, per-maintainer blockers in
.github/workflows/label-pr-review-state.yml:admin/maintain/write) whose latest non-COMMENTEDreview isCHANGES_REQUESTED, keyed by review id so reordered or duplicate review history cannot change the result. Blockers are not head-SHA-scoped, so they survive author pushes, base updates, CI runs, and CodeRabbit reviews.review_requestedissue-timeline event whose actor is the PR author names that maintainer at or after the blocking review's timestamp, (2) that maintainer submits a newer review (its state decides), or (3) the blocking review is dismissed (DISMISSEDlatest state). Team review requests carry norequested_reviewerand never clear an individual blocker.review_request_removedis added as apull_request_targetreconciliation trigger but is never treated as clearing evidence.awaiting-authoris preserved (fail closed).awaiting-authorbranch. Themaintainer-changesguide message now tells authors to re-request review from the blocking maintainer.getCollaboratorPermissionLevelcall instead of two.Test Procedure
src/services/__tests__/pr-review-state-workflow.test.tswith anissues.listEventsForTimelinedouble, timeline fault injection, and explicit review ids for reordered-history scenarios.describe("maintainer change-request blockers (#1671)")covering every acceptance criterion: push/base-merge without re-request keeps the blocker, author re-request clears it, another maintainer's approval and current-head CodeRabbit approval do not, newer maintainer review clears/replaces, multiple blockers stay independent, dismissal clears, reordered/duplicate timeline events and reordered review history produce identical state,review_request_removedreconciles without clearing, timeline failure fails closed, team/non-author/stale/wrong-reviewer re-requests do not clear, and collaborator permission lookups are memoized to one call per login across both review loops.pnpm exec vitest run services/__tests__/pr-review-state-workflow.test.ts— 128/128 pass.pnpm testfrom the repo root — all 13 turbo tasks pass.eslint --prune-suppressions --max-warnings=0on the changed test file — clean; suppression counts unchanged.Pre-Submission Checklist
Visual Snapshots
Not applicable — this change only affects a GitHub Actions workflow and its unit tests.
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Documentation Updates
Additional Notes
Design follows the proposal in #1671. Two intentional semantics worth reviewer attention: a maintainer
COMMENTEDreview is neutral and never clears their own blocker, and a cleared blocker is not reinstated if the author's re-request is later removed (removal is only a reconciliation trigger).Get in Touch
Available via the linked Discord thread on this task.