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fix(dev-lead): push guard trusts its own records, not commit email - #2385
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Since ADR-0008 dev-lead commits as 36422719+don-petry@users.noreply.github.com, the same address the owner's machine and every Claude Code session use. The #1607 guard classified a remote commit as dev-lead's own from that email, so every owner commit pushed to a dev-lead branch counted as dev-lead's and was force-pushed over (combsmith/.github #1314 and #1315, 2026-10-11). _commit_is_dev_lead now trusts only evidence dev-lead records itself: - the SHAs this run published with push_no_clobber or push_with_merge_guard (_PUSH_GUARD_PUSHED), and - a Dev-Lead-Stamp trailer on the commits the harness creates, whose hash covers the commit's own tree and parents. An amended, cherry-picked or rebased copy carries the trailer text but no longer matches it. The committer identity is not consulted. Anything without a record is steering: rebased in, or the push stops. The decision is the pure _push_guard_ownership_verdict, with bats cases for an owner commit with the same email (kept), dev-lead's rewrite of a stamped commit (still force-pushes), and a stamp copied onto another author's commit (not trusted). Closes #2313 Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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📝 Summary
Merge Risk: 🟡 Moderate · up to
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| Check name | Status | Explanation | Resolution |
|---|---|---|---|
| Docstring Coverage |  |
Docstring coverage is 70.00% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Analyzed 20 functions across 8 files. (1 skipped: … | Write docstrings for the functions missing them to satisfy the coverage threshold. |
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Check name Status Explanation Title check The title clearly and concisely describes the main change: the push guard now trusts recorded ownership evidence instead of commit email. Description check The description covers the core required information through Problem, Change, Risk, Test plan, Rollback, and Monitoring sections. The Change section serves as the summary, and the reported test status… Linked Issues check Issue #2313requires ownership logic that does not trust the shared committer email, uses a pure ownership function, and has bats coverage for a same-email remote commit that this run did not push. Th…Out of Scope Changes check The changed guard and ledger code implement #2313. The stamp helper and its integrations in fix-ci, fix-reviews, and fix-issue provide the recorded ownership evidence required by the guard. ADR-0011 d…Full details: Description check
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Explanation
The description covers the core required information through Problem, Change, Risk, Test plan, Rollback, and Monitoring sections. The Change section serves as the summary, and the reported test status clearly identifies the full unit suite as pending CI.
Full details: Linked Issues check
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Explanation
Issue
#2313requires ownership logic that does not trust the shared committer email, uses a pure ownership function, and has bats coverage for a same-email remote commit that this run did not push. The PR changes ownership to use the in-run pushed-SHA ledger or aDev-Lead-Stampwhose tree and ordered parents match. The reported tests cover same-email owner commits, conflicting commits, pushed SHAs, stamped rewrites, copied stamps, exact stamp matching, and the email-only case. These changes address the issue's coding requirements.
Full details: Out of Scope Changes check
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Explanation
The changed guard and ledger code implement
#2313. The stamp helper and its integrations in fix-ci, fix-reviews, and fix-issue provide the recorded ownership evidence required by the guard. ADR-0011 documents the rule, and the bats changes test the new behavior. No unrelated change is shown in the supplied PR summary.
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Full details: Docstring Coverage
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Explanation
Docstring coverage is 70.00% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Analyzed 20 functions across 8 files. (1 skipped: 1 unsupported.)
Resolution
Write docstrings for the functions missing them to satisfy the coverage threshold.
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dev-lead is withholding action on this item. It is labeled To re-enable automated pickup: remove the |
QA Lead — test-risk advisoryRisk tier: MEDIUM. This guard is all that stops a force-push over human work, so a wrong "own" verdict means data loss. The new bats cases cover the failure from #2313 well and were shown to fail on What I'd shore up (highest leverage first):
Escalate? no. The design leans fail-safe and the main path is well tested. The ledger test above is the one I'd want before merge. Advisory only — I comment, I do not change code. Ground: BMAD Test Architecture |
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Advisory bots were rate-limited; auto-approval is withheld until they recover. pr-review-sweep will re-review this PR after 2026-10-21T23:57:28Z. |
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✅ Action performedReview finished.
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Actionable comments posted: 1
- 🪄 Fix comments: Fix CodeRabbit comments on this PR
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Inline comments:
Review comments at @scripts/lib/git-push-guard.sh:
- Around line 100-108: Update the runner’s engine-created commit path so every
commit is stamped with dev_lead_stamp_trailer before commit_and_push or the
rebase intent sends it through push_no_clobber. Ensure the stamp is present when
_commit_is_dev_lead later evaluates the commit, without restoring
committer-email ownership.
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ℹ️ Review info
⚙️ Run configuration
- Configuration used: Organization UI
- Review profile: ASSERTIVE
- Plan: Advanced
- Run ID:
600b055a-220e-44bc-81cd-b31fdc02f7a9
📒 Files selected for processing: 9
docs/architecture/adr/0011-write-mode-personas-on-a-shared-branch.mdscripts/dev-lead-fix-ci.shscripts/dev-lead-fix-issue.shscripts/dev-lead-fix-reviews.shscripts/lib/auto-merge.shscripts/lib/git-identity.shscripts/lib/git-push-guard.shtests/dev-lead/unit/test_incorporate_remote_head.batstests/dev-lead/unit/test_push_no_clobber.bats
Included review availability: This review used your included allowance. Your plan provides up to 1 included review per hour; 0 remain after this review.
Review on #2385: commits the engine makes with its own `git commit` (prompts tell the model to commit; the rebase intent takes the same path) never got a Dev-Lead-Stamp. A later run has an empty in-run ledger, so its push guard treated them as foreign and rebased onto them; a conflict returned 2 and blocked dev-lead's rewrite of its own work. push_no_clobber and push_with_merge_guard now stamp every unpublished commit right before the push (dev_lead_stamp_unpublished), after the steering rebase so parents are final. Tree, author, dates and message are kept, and the stamp joins the existing trailer block. A commit already validly stamped is left alone, and commits already on the remote are never touched. The old-to-new rows join _PUSH_GUARD_REWRITES, so the claim sweep re-points a "Fixed in <old>" reply at the commit that landed (#2032). fix-issue stamps before its two direct pushes. New bats: an engine-made commit is stamped on push and is dev-lead's own on a later run with an empty ledger (its amend force-pushes). Stamping leaves remote commits and valid stamps alone and keeps other trailers. An incorporated owner commit enters neither the ledger nor a stamp. Refs #2313 Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Auto-dismissed (#617): coderabbitai[bot] CHANGES_REQUESTED on a superseded commit. The bot re-reviews the new head automatically — a valid concern will return as a fresh review.
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Advisory bots were rate-limited; auto-approval is withheld until they recover. pr-review-sweep will re-review this PR after 2026-10-22T03:44:01Z. |
ca32ebb stamped the engine's commits by rewriting them just before the push. That changed their SHAs, which broke the CI unit job: - the #2143 push job no longer pushed the work job's exact commit; - the #2269 this-pass checks no longer matched the commit the pass made. A commit is never rewritten after the fact now. Commits the engine makes with its own `git commit` are covered by a cross-run ledger instead: after each successful push, push_no_clobber, push_with_merge_guard and fix-issue's direct pushes add a git note per pushed SHA to refs/notes/dev-lead-pushed on the remote. The push fetches the ledger, annotates, and pushes as a fast-forward, retrying on a race. It never forces, so another run's notes survive. incorporate_remote_head fetches the ledger before it classifies commits. A note is keyed by the exact SHA, so an amended or rebased copy has none. A failed ledger read or write only warns: the commit then counts as foreign (rebase or stop). Harness commits keep their commit-time Dev-Lead-Stamp. New bats: an engine-made commit an earlier run pushed is dev-lead's own via the ledger, and its amend force-pushes with the exact SHA. An owner amend of a noted commit is foreign. Publishing keeps another run's notes. An incorporated owner commit enters neither ledger. Refs #2313 Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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Advisory bots were rate-limited; auto-approval is withheld until they recover. pr-review-sweep will re-review this PR after 2026-10-22T04:08:10Z. |
Problem
The #1607 push guard decided "is this remote commit dev-lead's own?" from the committer email. Since ADR-0008, dev-lead commits as
36422719+don-petry@users.noreply.github.com. The owner's machine and every Claude Code session use that address too. So every owner commit on a dev-lead branch was classified as dev-lead's.incorporate_remote_headthen took the "own history rewrite" path, and the caller force-pushed over the commit. This happened on combsmith/.github #1314 and #1315 on 2026-10-11 (timeline in #2313).Change
_commit_is_dev_leadnow trusts only evidence that dev-lead records itself. The committer identity is no longer consulted._PUSH_GUARD_PUSHED, appended after each successfulpush_no_clobber/push_with_merge_guardDev-Lead-Stamp: <hash>trailerdev_lead_stamp_trailer(git-identity.sh) on every commit the harness makes: fix-reviewscommit_and_push, fix-ci, and fix-issue (final + checkpoint). The hash covers the commit's own tree and parents.Any other commit counts as steering: the guard rebases it in, or stops with return 2. The decision is a pure function,
_push_guard_ownership_verdict(ADR-0004). ADR-0011 rule 1 now defines what "foreign" means.Option 1 from the issue alone would cover only this run's pushes. The stamp covers dev-lead's rewrite of a commit an earlier run made.
Risk
git commitis recorded only once this run pushes it. A later run treats it as foreign, so a rewrite of it rebases or stops instead of force-pushing. That trade fails safe: nothing is lost, and the worst case is an escalation.Test plan
tests/dev-lead/unit/test_incorporate_remote_head.bats(dev-lead force-pushes over the owner's own commits: the #1607 push guard treats every don-petry commit as dev-lead's #2313):main's guard: the owner-commit, conflict, spoofed-stamp, in-run ledger, verdict and email cases all go red.test_push_no_clobber.bats: the seed commit is now stamped as an earlier run's commit.test_incorporate_remote_head,test_push_no_clobber,test_claim_landing,test_claim_sweepandtest_auto_merge(142 tests).--severity=warning -xon all ofscripts/,check-bats-negation,check-duplicate-decls,check-fixed-tmp-paths, and markdownlint on ADR-0011.tests/dev-lead/unit/suite: CI.Rollback
Revert this commit. Without the guard's ledger and stamp check, the unused trailer on new commits does nothing.
Monitoring
When an owner commit is incorporated, the run summary now says "maintainer steering incorporated (#1607)". Before this change, that line never fired for owner commits. The thing to watch is any
head_ref_force_pushedon a dev-lead PR that the owner also pushed to.Closes #2313
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