fix(ci): re-run every open PR's checks when main gains a new publication gate - #202
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…ion gate A pull-request workflow runs only on that PR's own events, so every PR already open when a new job joins `CI - Required Checks` keeps the green it earned before that job existed. The branch rule keys on the check's name, so the stale run satisfies it and the PR can merge without the new gate ever running against it — the way a stale plugin version or a hand-edited synced skill would reach consumers past the checks added to stop exactly that. Add a main-side workflow that re-triggers every open PR whenever `ci.yaml` changes, plus a manual dispatch with a dry run. Re-triggering is a close and immediate reopen: re-running a workflow replays the original event's `GITHUB_SHA`, which for a pull request is the merge commit as it stood before the gate landed, and `reopened` is the only fresh `pull_request` event that leaves the head — and any green review at it — untouched. It runs under an App token because events produced with `GITHUB_TOKEN` start no workflow runs. The logic lives in a script with a hermetic self-test that stubs `gh`: twelve cases pin the close-before-reopen order, that no PR is ever left closed when a step fails mid-sequence, that an armed auto-merge is restored without one being armed that was not, and that an unparseable listing fails closed instead of reading as "no open PRs". Two ablations confirm the suite fires: neutralising the exit trap fails only the trap case, and arming auto-merge unconditionally fails only the auto-merge case. GitHub's own mechanism, `strict_required_status_checks_policy`, is declared org-wide and Observe-only, so enabling it is a maintainer decision across every repository rather than this one's to make; AGENTS.md records that alongside the workflow. Fixes #105 Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
Readiness record — tried and evaluated as a user at
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| neutralised | result |
|---|---|
the exit trap (trap - EXIT) |
only the exit trap retries a PR left closed fails — 11/12 |
the auto-merge guard (if true) |
only auto-merge is re-armed only on the PR that had it armed fails — 11/12 |
| restored | 12/12 |
Static: shellcheck clean on both scripts at default severity, actionlint clean on the new workflow and on ci.yaml, validate-manifests.sh clean, desired-state digests current, and the version gate reports no plugin content changed — correct, since this touches CI and docs only.
Design notes for the reviewer. queue: max was considered for the concurrency group and deliberately left out: every pass sweeps every open PR, so a pending pass displaced by a newer push loses nothing, and the key is not yet known to actionlint. The App token is not incidental — a reopen performed with GITHUB_TOKEN produces no workflow run at all, which is the same reason update-agent-skills.yaml mints one to open its PR.
What this cannot verify before merge: that a reopened event resolves a fresh merge ref carrying main's new ci.yaml. That needs main's CI definition to change, which is what merging this does. The first push to ci.yaml after merge is the live check; if it ever stops re-triggering, AGENTS.md now says where to look.
…lcheck too Local shellcheck 0.11 reports the trap-invoked helper as SC2329 on its declaration; the version CI installs reports every line of its body as SC2317. A directive naming only the local code passed here and failed there, so both are named. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
CI is green at this head after the shellcheck-version fix. @coderabbitai review |
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📝 WalkthroughWalkthroughAdds a Bash utility that re-triggers checks for open pull requests by closing and reopening them. The utility supports dry runs, recovery after failures, auto-merge restoration, input validation, and distinct exit statuses. Adds a workflow for automatic and manual execution with serialized App-authenticated runs. Adds a hermetic self-test and runs it in the script lint job. Documents the workflow and scripts in Merge Risk: 🟡 Moderate · up to The workflow can leave a pull request closed after compound failures, re-enable auto-merge after a user disables it, or omit pull requests beyond the first 100. These issues undermine the promised safe, complete check refresh and should be resolved before merge. Important Pre-merge checks failedPlease resolve all errors before merging. Addressing warnings is optional. ❌ Failed checks (1 error, 1 inconclusive)
✅ Passed checks (3 passed)
Full details: Linked Issues checkExplanation The implementation addresses the workflow trigger, open pull request processing, dry-run support, and AGENTS.md documentation required by [ Full details: Docstring CoverageExplanation Docstring coverage is 50.00% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Analyzed 8 functions across 2 files. (3 skipped: 3 unsupported.) Thanks for using CodeRabbit! It's free for OSS, and your support helps us grow. If you like it, consider giving us a shout-out. Comment |
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Inline comments:
In `@scripts/recheck-open-prs.sh`:
- Line 148: Update the recovery flow around the pending record and gh pr close
so the PR number is persisted before attempting closure. If closing fails,
remove the pending record; otherwise retain it for successful-close recovery
handling, ensuring the EXIT trap can retry even when reopening fails.
- Line 164: Update the per-PR processing in the auto-merge handling around the
automerge check so it queries the current autoMergeRequest state with gh pr view
immediately before closing each PR, rather than using the stale sweep snapshot.
Restore auto-merge only when that fresh state is armed, and add a self-test
covering disabling auto-merge after gh pr list but before processing.
- Line 110: Update the gh pr list invocation in the PR-fetching loop to paginate
through every open pull request targeting the base branch instead of stopping at
100 results. Preserve the existing processing behavior and add or update
coverage to verify handling at least 101 pull requests.
In `@scripts/recheck-open-prs.test.sh`:
- Line 48: Update the fail_verb handling near the matching-call condition so
each configured verb records whether its injected failure has already occurred
and fails only on the first matching invocation. Ensure subsequent calls,
including the EXIT-trap retry, succeed, and update the test assertions to verify
the retry completes successfully.
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📒 Files selected for processing (5)
.github/workflows/ci.yaml.github/workflows/recheck-open-prs.yamlAGENTS.mdscripts/recheck-open-prs.shscripts/recheck-open-prs.test.sh
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🧠 Learnings (1)
📓 Common learnings
Learnt from: CR
Repo: devantler-tech/agent-plugins
Timestamp: 2026-09-06T10:01:18.122Z
Learning: validate before every PR
Learnt from: CR
Repo: devantler-tech/agent-plugins
Timestamp: 2026-09-06T10:01:18.122Z
Learning: Validate before any PR:
🪛 LanguageTool
AGENTS.md
[uncategorized] ~252-~252: The official name of this software platform is spelled with a capital “H”.
Context: ...ast the very checks added to stop them. recheck-open-prs.yaml closes...
(GITHUB)
[uncategorized] ~270-~270: The official name of this software platform is spelled with a capital “H”.
Context: ...ared org-wide and Observe-only in devantler-tech/.github, so turning it on is a maintainer deci...
(GITHUB)
🔇 Additional comments (1)
.github/workflows/recheck-open-prs.yaml (1)
67-67: 🎯 Functional CorrectnessNo additional workflow change is needed. The
pull_requesttrigger includesreopenedby default. The App-token close-and-reopen sequence creates a new event, and GitHub runs it from the PR merge commit with the updatedCI - Required Checksjob.
… request Four review findings, all real: - `gh pr list --limit 100` capped the sweep, so a repository with more than 100 open PRs left the rest on the pre-gate result — this script's own failure mode one level down. Replaced with `gh api --paginate`, which walks every page. - The recovery record was written after the close, so a close that succeeded and then failed to be recorded left a PR the exit trap knew nothing about. It is now written before the close and removed if the close fails, which costs at most a harmless reopen of an already-open PR. - Auto-merge was read once for the whole sweep, so disabling it between the listing and a given PR's close would see it re-armed — a merge nobody asked for. It is read per PR, immediately before closing, and a read that fails leaves that PR untouched rather than risking a silently dropped auto-merge. - The test's fault injection failed every matching call, so the reopen case proved only that a retry was attempted. It now fails the first call only, and the case asserts the retry succeeds. Writing the listing back with `printf '%s'` also dropped the final pull request, since command substitution strips the trailing newline — caught by the new 101-PR case, which reported 100. Seventeen cases now, with three ablations partitioning cleanly: capping the sweep fails only the 101-PR case, never recording the close fails only the trap-retry case, and reading auto-merge from a stale snapshot fails all four auto-merge cases and nothing else. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
All four findings from the previous round are fixed at this head and their threads resolved. The pagination finding also surfaced a dropped-final-line bug in the same path, now covered. Seventeen cases, three ablations partitioning cleanly. @coderabbitai review |
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…capped path filter Five review findings, all real: - A close can be applied and still report failure. Dropping the recovery record on a nonzero exit therefore left a genuinely closed PR with nothing tracking it — contradicting this script's own invariant. The record now survives a failed close, and the exit trap decides from the pull request's actual state, reopening anything not OPEN or MERGED and treating an unreadable state as reason to reopen rather than reason to assume. - Once a close has cleared an auto-merge request, a later run cannot tell the PR ever had one, so a transient re-arm failure lost it permanently. The obligation now survives in the state directory and the trap retries it. - Re-arming with `--squash` alone discarded a squash subject or body someone chose. The commit metadata is captured before the close and restored with it. - The workflow's `paths:` filter is capped at 300 files, so a large sync could change `ci.yaml` without triggering the recheck — the failure mode this workflow exists to prevent, hidden behind its own trigger. It now runs on every push to `main` and compares the pushed range itself, which has no cap, exiting early when the CI definition did not move. - The branch reached the API spliced into a query string, so a legal name containing `&` or `#` would select a different set of pull requests. It is passed as a GET field. Twenty-one cases now, against a stub that keeps real per-PR state, so they assert what is left behind rather than which calls were made. Three ablations partition cleanly: assuming a failed close did not apply fails only the ambiguous-close case, dropping the re-arm obligation fails only the transient-re-arm case, and re-arming without the captured metadata fails only the custom subject and body case. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
All five findings from the previous round are fixed at this head and their threads resolved — including one that was a hole the round before it introduced. Twenty-one cases now, against a stub that keeps real per-PR state so they assert what is left behind rather than which calls were made; three ablations partition cleanly. @codex review |
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…it was Six review findings, all real. Three concerned deciding *whether* a gate changed, and together they show that decision cannot be made correctly here, so it is no longer made: - A pending gate-changing push coalesced away by the concurrency group is replaced by a later push whose own range shows no gate change, so nothing ever sweeps for it. - Testing `ci.yaml` alone misses a gate strengthened in its implementation: `ci.yaml` runs `scripts/validate-manifests.sh` and friends, so adding a rejection there changes what the required check accepts while `ci.yaml` is untouched. - (The previous round already showed a `paths:` filter is capped at 300 files.) The workflow now sweeps on every push to `main`. The cost is bounded and visible, and on this repository a merge already invalidates every open PR, since a plugin's version is its cache key and lives in files every plugin change touches. The other three: - The App token requested pull-requests write only, but `gh pr merge --auto` also needs contents write. Close and reopen would have succeeded while every re-arm failed, so a PR that arrived with auto-merge armed would have been left without it. - Re-arming always used `--squash`, changing the merge behaviour of a request armed as a merge commit or a rebase. The strategy is captured and restored, and the commit-message flags now accompany a merge or squash only, since a rebase carries no message. - The per-PR reads were split, so a transient failure on a later one was indistinguishable from "no custom metadata" and would have restored GitHub's default message. State, strategy and metadata now come from one response, and a failed read leaves the PR untouched — which also closes a second hole: reading auto-merge alone succeeds for a closed PR, so a PR the maintainer closed after the listing would have been reopened, reversing a deliberate act. Twenty-four cases; five ablations partition cleanly — hardcoding the strategy fails only the two strategy cases, and dropping the open-state check fails only the closed-after-listing case. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
All six findings from the previous round are fixed at this head and their threads resolved. Three of them converged on the same conclusion — that deciding whether a gate changed cannot be made correct here — so the workflow now sweeps on every push to @codex review |
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Four review findings, all real, and the first is the one that mattered most: - `--auto` merges as soon as the requirements read as met, and immediately after a reopen the newest result at that commit is still the PRE-GATE green. Arming there could merge the pull request in the window before Actions creates the run for the reopen — past the very gate the sweep is applying, which is the failure this whole workflow exists to prevent. The script now records the highest check-run id at the head before closing and waits for a larger one before arming, on both the direct and the recovery path. Ids only increase, so this needs no clock. When no fresh run appears it declines to arm and says so: an auto-merge a human restores is recoverable, a merge that skipped a gate is not. - A dry run shared the sweep's concurrency group, so it could displace a pending sweep while only listing — leaving those PRs with no fresh event at all. Dry runs get their own group. - A dry run also minted a write-scoped App token although it performs only a listing. Its token is read-scoped now. - AGENTS.md still described the discarded `ci.yaml`-only trigger. It now documents the unconditional sweep, why the three narrower designs were rejected, and the auto-merge wait. Twenty-six cases; the new one freezes the stub's check-run high-water mark so no fresh run appears, and asserts both that auto-merge is not armed and that the PR is still left open. Removing the wait fails that case alone. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
All four findings fixed at this head and their threads resolved. The auto-merge timing one identified a path by which this workflow could have caused the exact harm it exists to prevent, and it is now closed on both the direct and the recovery path. Twenty-six cases, six ablations partitioning cleanly. @codex review |
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…an unreadable baseline Two review findings, both refining the wait added in the previous commit: - The wait accepted ANY new check run at the head, so a run created by another integration or a manual rerun between the baseline and the reopen would satisfy it while the required workflow's own run still did not exist — re-arming against the pre-gate green, which is precisely what the wait exists to prevent. Both the baseline and the poll now count only runs named by `--required-check`, defaulting to the aggregated gate this repository requires. - An unreadable baseline was converted to 0, and a zero baseline is satisfied by any historical run, so a transient failure made the wait pass instantly. The PR is now left untouched when the baseline cannot be read, and a failed poll counts as "not yet" rather than as satisfied. The check name is interpolated into a jq program, so it is validated to contain no quote or backslash. Twenty-eight cases. Assuming a zero baseline fails the new baseline case alone; dropping the name filter fails the new one plus every other armed-PR case, because with the stub the unfiltered query reads a counter the reopen never moves — an artifact of the fixture, not a partition, and stated rather than dressed up as one. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
Both findings fixed at this head and their threads resolved. Twenty-eight cases. @codex review |
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… run A manual rerun of the existing CI run creates fresh check runs — new ids, same name — while no run for the reopen exists, so the name-filtered check-run comparison could still be satisfied by the pre-gate result and re-arm auto-merge against it. Workflow runs do not behave that way: a rerun keeps its run id and adds an attempt, so a new `pull_request` run id can only come from a new `pull_request` event, which is exactly what the wait is for. The baseline and the poll now read `actions/runs` filtered to `event=pull_request` at the head, with the parameters passed as GET fields rather than spliced into the path. Another such event satisfying it — a push, say — is correct rather than a gap: it also resolves a fresh merge ref. This also removes the `--required-check` option added one commit ago, since the workflow's name is no longer part of the test, and with it the jq interpolation that name required. Twenty-eight cases. A new one freezes the workflow-run high-water mark, modelling a rerun that creates no new run, and asserts auto-merge is not armed and the PR stays open. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
Fixed at this head and the thread resolved: the wait now observes @codex review |
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The previous commit moved the pre-arm wait from check runs to `pull_request` workflow runs, and that endpoint needs an Actions read scope the token did not request. The baseline read would have 403'd on every pull request with auto-merge armed, leaving each one untouched with its stale green and its auto-merge still armed — bypassing the gate on exactly the pull requests that were about to merge themselves. Read-only, and requested in both modes: the dry run does not reach that endpoint, and a scope it cannot use is better than a mode-dependent one that is wrong in the mode that matters. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
Fixed at this head and the thread resolved: the App token now requests @codex review |
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The Actions read scope added for the workflow-run wait was granted in both modes, but a dry run never reaches that endpoint, so an advertised read-only mode was holding a permission it cannot use. Split into two token steps rather than more conditional scopes: the modes need different SETS of permissions, not different levels of the same ones, and the action takes a fixed list, so a scope can be lowered by an expression but not dropped by one. The sweep keeps contents write, pull-requests write and actions read, each justified in place; the dry run gets contents read and pull-requests read. The previous commit argued an unconditional grant was safer than a mode-dependent one. That was wrong: the risk it named was an expression being wrong in the mutating mode, which two separate steps remove entirely. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
Fixed at this head and the thread resolved: two token steps, so the dry run holds only the scopes a listing needs. @codex review |
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Why
Adding a required check does not apply it to work already in flight. A pull-request workflow runs only on that pull request's own events, so every PR already open when a new gate lands keeps the green it earned before the gate existed — and the rule that guards the branch is keyed on the check's name, so the stale result satisfies it. Such a PR can merge without the new gate ever running against it, which is how a stale plugin version or a hand-edited synced skill could reach consumers past the very checks added to stop them.
What
When the CI definition changes on the default branch, every open pull request is asked to run its checks again, so a gate applies to work already in flight rather than only to work started afterwards. The same pass can be triggered by hand, with a dry run that lists what it would touch. A pull request's own commits are never moved, so a review already given at its current head stays valid, and an armed auto-merge is restored afterwards.
One thing worth your decision: GitHub has a built-in setting for this — requiring a branch to be up to date before it can merge — which would block a stale pull request outright instead of re-running it. It is declared once for the whole organisation and is currently read-only to our automation, so switching it on is your call across every repository rather than something this change can do for one. This is the repository-scoped equivalent in the meantime.
Fixes #105
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