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fix(ci): pin third-party actions to full commit SHAs - #256

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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.
@coderabbitai

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
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Configuration used: Organization UI

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Run ID: a8c755ac-3d4f-4383-9388-34b7f79c323d

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Reviewing files that changed from the base of the PR and between 7f45b46 and 5ea208a.

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

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📜 Recent review details
⏰ Context from checks skipped due to timeout. (27)
  • GitHub Check: governance / Guix primary / Nix fallback policy
  • GitHub Check: governance / Code quality + docs
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🔇 Additional comments (1)
.github/workflows/rhodibot.yml (1)

37-37: LGTM!


📝 Summary

Summary by CodeRabbit

  • Chores
    • Updated the Rhodibot canary workflow to use a fixed version of its checkout action, improving build consistency and security.

Walkthrough

The Rhodibot canary workflow now references actions/checkout by its full commit SHA instead of the mutable v7.0.1 tag.

Changes

Rhodibot workflow

Layer / File(s) Summary
Pin checkout action
.github/workflows/rhodibot.yml
The workflow replaces the v7.0.1 tag with commit SHA 3d3c42e5aac5ba805825da76410c181273ba90b1 and retains the v7.0.1 comment.

Priority: ⬇️ Low

Estimated code review effort: 1 (Trivial) | ~2 minutes

Change: Bug fix

🚥 Pre-merge checks | ✅ 4 | ❌ 1

❌ Failed checks (1 warning)

Check name Status Explanation Resolution
Description check ⚠️ Warning The description explains the reason for the change and the intended behaviour. However, it does not use the required template sections and does not include the required quality checklist, testing deta… Rewrite the description using the repository template. Add the Summary, Changes, RSR Quality Checklist, and Testing sections. Mark each applicable checklist item and provide testing evidence. Add Screenshots or state that they are not appli…
✅ Passed checks (4 passed)
Check name Status Explanation
Title check ✅ Passed The title clearly describes 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 reason for the change and the intended behaviour. However, it does not use the required template sections and does not include the required quality checklist, testing details, or applicable change lists.

Resolution

Rewrite the description using the repository template. Add the Summary, Changes, RSR Quality Checklist, and Testing sections. Mark each applicable checklist item and provide testing evidence. Add Screenshots or state that they are not applicable.

  • Fix all pre-merge checks with AI

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A rabbit checks the workflow line
The checkout pin is fixed and fine
No mutable tag can hop away
The SHA keeps watch each canary day
Ears up, the build runs true

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@sonarqubecloud

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@hyperpolymath
hyperpolymath enabled auto-merge (squash) September 20, 2026 00:10
@hyperpolymath
hyperpolymath merged commit 219b962 into main Sep 20, 2026
30 of 35 checks passed
@hyperpolymath
hyperpolymath deleted the fix/sha-pin-actions branch September 20, 2026 00:10
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