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fix(ci): pin third-party actions to full commit SHAs - #94

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hyperpolymath merged 1 commit into
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fix/sha-pin-actions
Sep 20, 2026
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hyperpolymath merged 1 commit into
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fix/sha-pin-actions

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fix(ci): pin third-party actions to full commit SHAs

The account's Actions policy requires a full-length SHA ref. A tag or branch ref is refused at
startup — startup_failure, no jobs, "this workflow graph cannot be shown" — so these workflows
could not run at all. This resolves each ref to the commit it currently points at and records the
ref in a trailing comment, e.g. actions/checkout@<sha> # v4.

dtolnay/rust-toolchain takes its toolchain from the ref itself, so those steps also gained an
explicit with: toolchain: input; without it, a SHA ref would silently lose the channel.

No behaviour is intended to change beyond the pins.

The account's Actions policy requires a full-length SHA ref. A tag or branch ref is refused at
startup — `startup_failure`, no jobs, "this workflow graph cannot be shown" — so these workflows
could not run at all. This resolves each ref to the commit it currently points at and records the
ref in a trailing comment, e.g. `actions/checkout@<sha> # v4`.

`dtolnay/rust-toolchain` takes its toolchain from the ref itself, so those steps also gained an
explicit `with: toolchain:` input; without it, a SHA ref would silently lose the channel.

No behaviour is intended to change beyond the pins.
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coderabbitai Bot commented Sep 19, 2026 •

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Review Change StackReview Change Stack

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info
⚙️ Run configuration

Configuration used: Organization UI

Review profile: ASSERTIVE

Plan: Advanced

Run ID: 2e8c9c3a-6c71-45ce-9ea5-6d2acc1103fd

📥 Commits

Reviewing files that changed from the base of the PR and between 0956aa8 and 9d1913b.

📒 Files selected for processing (1)
  • .github/workflows/codeql.yml

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📜 Recent review details
⏰ Context from checks skipped due to timeout. (23)
  • GitHub Check: hypatia / Hypatia Neurosymbolic Analysis
  • GitHub Check: governance / Well-Known (RFC 9116 + RSR)
  • GitHub Check: governance / Exemption ratchet
  • GitHub Check: governance / Workflow security linter
  • GitHub Check: governance / Live Actions policy (credentialed advisory)
  • GitHub Check: governance / Language / package anti-pattern policy
  • GitHub Check: governance / Code quality + docs
  • GitHub Check: scan / gitleaks
  • GitHub Check: governance / Trusted-base reduction policy
  • GitHub Check: governance / Licence consistency
  • GitHub Check: governance / Allowlist Preflight
  • GitHub Check: governance / Check Workflow Staleness
  • GitHub Check: governance / Security policy checks
  • GitHub Check: governance / Debt ratchet
  • GitHub Check: governance / Actions lockfile verify
  • GitHub Check: scan / rust-secrets
  • GitHub Check: governance / Guix packaging policy (Nix retired)
  • GitHub Check: scan / shell-secrets
  • GitHub Check: build
  • GitHub Check: Analyze (actions)
  • GitHub Check: build
  • GitHub Check: lint-workflows
  • GitHub Check: lint-workflows
🔇 Additional comments (1)
.github/workflows/codeql.yml (1)

74-74: LGTM!

Also applies to: 103-103


📝 Summary

Summary by CodeRabbit

  • Chores
    • Updated security analysis workflow actions to use a fixed version reference, improving build reproducibility and supply-chain security.

Walkthrough

The CodeQL workflow now references both CodeQL actions by commit SHA instead of the floating v4.38.0 tag. The workflow retains v4.38.0 comments for version identification.

Changes

CodeQL action pinning

Layer / File(s) Summary
Pin CodeQL workflow steps
.github/workflows/codeql.yml
The init and analyze steps now use commit SHA b96794f015dfd88f77b49b1c93e0fa7110f94c63, with v4.38.0 comments retained.

Priority: ⬇️ Low

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

Change: Bug fix

Suggested reviewers: metadatastician

🚥 Pre-merge checks | ✅ 5
✅ Passed checks (5 passed)
Check name Status Explanation
Title check ✅ Passed The title clearly and concisely describes the main change: pinning third-party CI actions to full commit SHAs.
Description check ✅ Passed The description directly explains the SHA pinning, the Actions policy requirement, the Rust toolchain adjustment, and the intended behaviour preservation.
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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A rabbit checks the workflow line
Two CodeQL steps now stay in time
A fixed SHA guards the way
While version notes still mark the day
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@hyperpolymath
hyperpolymath merged commit 628c4b6 into main Sep 20, 2026
24 of 28 checks passed
@hyperpolymath
hyperpolymath deleted the fix/sha-pin-actions branch September 20, 2026 01:02
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