fix(repo-review): restart repo analysis on head drift - #3396
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Workflow source detectedPR #3396 now has valid workflow source context (origin=local_request). No linked GitHub issue is required for this PR. |
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📝 WalkthroughWalkthroughThe repository review coordinator now detects ChangesSource-head recovery
Estimated code review effort: 3 (Moderate) | ~20 minutes Merge Risk: 🟡 Moderate · up to The drift recovery improves source consistency, but a filesystem error during quarantine can still abort the cycle before stale outputs are made unavailable or failure is recorded. This fail-closed path should be fixed and tested before merge; restart timing and recovery documentation also need clarification. Sequence Diagram(s)sequenceDiagram
participant Coordinator
participant BodyWriter
participant RepairDirectory
participant RepositoryWorkflow
Coordinator->>RepositoryWorkflow: run repository review
RepositoryWorkflow->>BodyWriter: write review body
BodyWriter-->>Coordinator: report source-head drift
Coordinator->>BodyWriter: stop stale retries
Coordinator->>RepairDirectory: quarantine prior round artifacts
Coordinator->>RepositoryWorkflow: restart from round 1
RepositoryWorkflow-->>Coordinator: return exact-head results
🚥 Pre-merge checks | ✅ 4 | ❌ 1❌ Failed checks (1 warning)
✅ Passed checks (4 passed)
Full details: Docstring CoverageExplanation Docstring coverage is 46.15% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Analyzed 13 functions across 2 files. (2 skipped: 2 unsupported.) ✨ Finishing Touches 💡 1📝 Generate docstrings 💡
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🟡 Changes recommended
There is at least one verified documentation mismatch between the described behavior and the actual implementation (log handling during quarantine/restart).
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Pull request overview
Updates the repo-review coordinator to detect source/HEAD drift in late phases, avoid futile retries against stale analysis outputs, quarantine the stale per-repo artifacts, and restart the repo review from round 1 so all subsequent outputs share a single fresh exact-head provenance chain.
Changes:
- Add log-based head-drift detection and allow
run_subprocess_with_repairsto stop retrying early when drift is detected. - Introduce
coordinate_repo_with_restartsto quarantine stale per-repo round1/round2 outputs (and preserve logs) and restart from round 1 within the bounded repair budget. - Add regression tests and document the new restart/quarantine behavior.
File summaries
| File | Description |
|---|---|
| tests/scripts/test_repo_review_coordinator.py | Adds tests covering early-stop on body-writer head drift and full repo restart/quarantine behavior. |
| scripts/repo_review_coordinator.py | Implements head-drift detection, early retry stop, quarantine+restart flow, and wires it into the main per-repo loop. |
| docs/ops/REPO_REVIEW_PROCESS.md | Documents the head-drift-triggered full restart behavior and what gets preserved/quarantined. |
| config/repo_review_automation.toml | Updates automation narrative to reflect restart-on-head-drift semantics under the existing repair budget. |
Review details
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Inline comments:
In `@docs/ops/REPO_REVIEW_PROCESS.md`:
- Around line 83-84: Update the coordinator restart description to state that
prepare_head_drift_restart preserves coordinator logs in
logs/coordinator/<owner>__<repo>/ by copying them, while only round-1 and
round-2 outputs are moved into the repair directory.
In `@scripts/repo_review_coordinator.py`:
- Line 1026: Separate the restart-loop limit from the per-phase repair_attempts
setting used by coordinate_repo, or enforce a cycle-level deadline that prevents
additional restarts once the wall-clock budget is exhausted. Update the restart
logic around coordinate_repo and add the corresponding smaller configuration key
in repo_review_automation.toml if using a separate limit; document the chosen
budget decision in the operational notes.
- Around line 1054-1060: Wrap the prepare_head_drift_restart call in
coordinate_repo_with_restarts with OSError handling, converting the quarantine
failure into the existing controlled failed report and stopping further
restarts, consistent with run_subprocess_with_repairs and prepare_phase_retry.
Add a test that makes prepare_head_drift_restart raise OSError and verifies
coordinate_repo_with_restarts returns the failed report without propagating.
In `@tests/scripts/test_repo_review_coordinator.py`:
- Around line 863-865: Add a persistent-drift test around run that makes
fake_coordinate_repo always return body-writer failure with a drift log,
exhausting the repair budget; assert calls equals repair_attempts + 1, both
head_drift_restarts and prior_stale_head_attempts contain repair_attempts
entries, and verify the failure report is written while aggregate outputs are
quarantined.
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📒 Files selected for processing (4)
config/repo_review_automation.tomldocs/ops/REPO_REVIEW_PROCESS.mdscripts/repo_review_coordinator.pytests/scripts/test_repo_review_coordinator.py
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Addressed exact-head review feedback in
Validation: 26 focused tests and 448 repo-review tests pass locally. |
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Summary
Root cause reproduced
During the clean weekly rerun,
stranske/Pension-Dataadvanced from193eb255to1703329aafter round 1. The body writer correctly rejected the stale source, but the coordinator restored and retried the same staleconverged.jsontwice, then failed closed.Validation
python -m ruff format --check scripts/repo_review_coordinator.py tests/scripts/test_repo_review_coordinator.pypython -m ruff check scripts/repo_review_coordinator.py tests/scripts/test_repo_review_coordinator.pypython -m pytest -q tests/scripts/test_repo_review_coordinator.py(24 passed)python -m pytest -q tests/scripts/test_repo_review_*.py(446 passed)Summary by CodeRabbit
Bug Fixes
Documentation