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fix(ci): pin third-party actions to full commit SHAs - #87

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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: c66cb72f-4bec-4c22-b0d2-219f05728d48

📥 Commits

Reviewing files that changed from the base of the PR and between ba2d492 and 13831ca.

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

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📜 Recent review details
⏰ Context from checks skipped due to timeout. (23)
  • GitHub Check: scan / gitleaks
  • GitHub Check: scan / shell-secrets
  • GitHub Check: scan / rust-secrets
  • GitHub Check: governance / Guix primary / Nix fallback policy
  • GitHub Check: governance / Trusted-base reduction policy
  • GitHub Check: governance / Language / package anti-pattern policy
  • GitHub Check: governance / Check Workflow Staleness
  • GitHub Check: governance / Security policy checks
  • GitHub Check: governance / Licence consistency
  • GitHub Check: governance / Workflow security linter
  • GitHub Check: governance / Code quality + docs
  • GitHub Check: governance / Well-Known (RFC 9116 + RSR)
  • GitHub Check: rust-ci / Detect Cargo.toml
  • GitHub Check: scan / Hypatia Neurosymbolic Analysis
  • GitHub Check: analyze (rust, none)
  • GitHub Check: analyze (actions, none)
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🔇 Additional comments (1)
.github/workflows/rhodibot.yml (1)

37-37: LGTM!


📝 Summary

Summary by CodeRabbit

  • Chores
    • Updated automated workflow configuration to use a fixed, verified action version, improving build consistency and supply-chain security.

Walkthrough

The Rhodibot workflow now pins actions/checkout to commit 3d3c42e5aac5ba805825da76410c181273ba90b1 instead of the mutable v7.0.1 tag.

Changes

Workflow action pinning

Layer / File(s) Summary
Pin checkout action reference
.github/workflows/rhodibot.yml
The workflow uses the full commit SHA and retains # v7.0.1 as a version comment.

Priority: ⬇️ Low

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

Change: Refactor

🚥 Pre-merge checks | ✅ 4 | ❌ 1

❌ Failed checks (1 warning)

Check name Status Explanation Resolution
Description check ⚠️ Warning The description explains the policy requirement, the SHA pinning approach, the Rust toolchain handling, and the intended behaviour. However, it does not use the required template sections or include t… Update the description to include the required Summary, Changes, RSR Quality Checklist, Testing, and Screenshots sections. Complete the applicable checklist items and record the testing performed. State when screenshots or terminal output a…
✅ Passed checks (4 passed)
Check name Status Explanation
Title check ✅ Passed The title clearly identifies the main change: pinning third-party CI actions to full commit SHAs.
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.
Full details: Description check

Explanation

The description explains the policy requirement, the SHA pinning approach, the Rust toolchain handling, and the intended behaviour. However, it does not use the required template sections or include the RSR Quality Checklist, Testing, and Screenshots sections.

Resolution

Update the description to include the required Summary, Changes, RSR Quality Checklist, Testing, and Screenshots sections. Complete the applicable checklist items and record the testing performed. State when screenshots or terminal output are not applicable.

  • Fix all pre-merge checks with AI

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A rabbit checks the workflow line
The checkout path is fixed and fine
A SHA guards the route
The tag stays noted throughout
Clean steps now neatly align

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@hyperpolymath
hyperpolymath merged commit 9a5cc2f into main Sep 20, 2026
30 of 34 checks passed
@hyperpolymath
hyperpolymath deleted the fix/sha-pin-actions branch September 20, 2026 00:05
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