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fix(ci): codeql-action v4.38.1 -> v4.38.0 SHA pin + dependabot hold (estate-wide startup_failure) - #136

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hyperpolymath merged 1 commit into
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fix/codeql-4381-rollback
Sep 22, 2026
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hyperpolymath merged 1 commit into
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fix/codeql-4381-rollback

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Summary

Estate-wide incident: github/codeql-action v4.38.1 fails GitHub workflow startup on every repo that took it — CodeQL/Hypatia runs die with startup_failure, zero jobs dispatched, no error text in any API surface. The evidence chain (full detail: nexia-list#100):

repo ref status
nexia-list @v4.38.1 tag (via dependabot #94) 🔴 startup_failure → fixed by rollback #100 (merged)
hypatia @1c5b675 (4.38.1 SHA) 🔴
vexometer @v4.38.1 🔴 (since Sep-21)
rsr-template-repo @1c5b675 🔴
affinescript / boj-server / deed-ecosystem ≤ v4.38.0 ✅ green

The v4.38.1 tag exists (peels to 1c5b675) and byte-identical workflow content runs under a fresh path — so the failure is the version value itself at GitHub's start-validation layer, not content, permissions (probes with security-events start fine), or the default-setup conflict.

Changes here

  • codeql-reusable.yml, hypatia-scan-reusable.yml: codeql-action/* re-pinned 1c5b675 (v4.38.1) → b96794f0 (v4.38.0 commit; wrong # v3 comments corrected to # v4.38.0).
  • actions.lock: re-keyed to the v4.38.0 SHA entries (dependabot bumped the reusable pins without regenerating the lock).
  • dependabot.yml: full hold on github/codeql-action — scoped versions: ignores do NOT hold for this bot path (nexia-list#101 re-raised the bump in SHA form within an hour, copying the inline warning comment verbatim while swapping the SHA).

Follow-ups

Consumer rollbacks shipped in the same batch: nexia-list (merged ✅), hypatia, vexometer, rsr-template-repo, metadatastician/burble (each with the same dependabot hold). Reconsider the hold when upstream clears v4.38.1 or a newer release verifies green on one canary repo.

v4.38.1 (tag AND commit SHA 1c5b675) fails GitHub workflow-startup
validation estate-wide: codeql/hypatia runs die with startup_failure,
zero jobs, no API error text. Full investigation: nexia-list#100.
Rollback to the v4.38.0 commit b96794f015dfd88f77b49b1c93e0fa7110f94c63
(green on deed-ecosystem; satisfies repo SHA-pin policy). actions.lock
re-keyed where present; dependabot held unconditionally (versions-scoped
ignores were bypassed in SHA form - nexia-list#101).

Canonical fix: metadatastician/standards#973.
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ℹ️ Recent review info
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Configuration used: Organization UI

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Run ID: 56a4feb7-f658-4ac1-bcad-6785da00023e

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Reviewing files that changed from the base of the PR and between 15898cc and bae011d.

⛔ Files ignored due to path filters (1)
  • .github/workflows/actions.lock is excluded by !**/*.lock
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  • .github/dependabot.yml
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🔇 Additional comments (2)
.github/workflows/codeql.yml (1)

46-46: LGTM!

Also applies to: 52-52

.github/dependabot.yml (1)

16-23: LGTM!


📝 Summary

Summary by CodeRabbit

  • Chores
    • Pinned the CodeQL scanning action to a specific stable version for more consistent security analysis.
    • Prevented automated dependency updates from changing the selected CodeQL action version.

Walkthrough

The CodeQL workflow now pins both CodeQL action steps to commit b96794f015dfd88f77b49b1c93e0fa7110f94c63 (v4.38.0). Dependabot skips updates for this action.

Changes

CodeQL action pinning

Layer / File(s) Summary
Pin and hold CodeQL action
.github/workflows/codeql.yml, .github/dependabot.yml
The workflow replaces tag v4.38.1 with the v4.38.0 commit. Dependabot ignores updates for github/codeql-action.

Priority: ⬆️ High

Estimated code review effort: 1 (Trivial) | ~5 minutes

Change: Bug fix

Merge Risk: ⚪ Minimal · up to bae01

The CodeQL workflow is held at v4.38.0 to avoid the reported startup failures, with updates paused pending verification. The change is ready to merge with normal checks.

🚥 Pre-merge checks | ✅ 5
✅ Passed checks (5 passed)
Check name Status Explanation
Title check ✅ Passed The title clearly summarises the main changes: rollback of codeql-action to v4.38.0, SHA pinning, and the Dependabot hold.
Description check ✅ Passed The description is directly related to the changes. It explains the v4.38.1 startup_failure issue, the rollback to v4.38.0, and the Dependabot hold.
Docstring Coverage ✅ Passed No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check. Docstring coverage is scoped to functions touched by this diff. Analyzed 0 functions across 0…
Linked Issues check ✅ Passed Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check ✅ Passed Check skipped because no linked issues were found for this pull request.

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✨ Finishing Touches 💡 1
🛠️ Fix failing CI checks 💡
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@hyperpolymath
hyperpolymath merged commit 292c7dc into main Sep 22, 2026
23 of 25 checks passed
@hyperpolymath
hyperpolymath deleted the fix/codeql-4381-rollback branch September 22, 2026 12:01
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