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fix(ci): pin third-party actions to full commit SHAs - #81

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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: 0a7140fa-ab10-48f6-8fbd-d2e1a3e489f4

📥 Commits

Reviewing files that changed from the base of the PR and between 8aee551 and c56a8eb.

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

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📜 Recent review details
⏰ Context from checks skipped due to timeout. (14)
  • GitHub Check: scan / shell-secrets
  • GitHub Check: scan / gitleaks
  • GitHub Check: scan / rust-secrets
  • GitHub Check: scan / Hypatia Neurosymbolic Analysis
  • GitHub Check: Groove manifest check
  • GitHub Check: Validate eclexiaiser manifest
  • GitHub Check: Zig FFI builds + tests (Zig 0.14.0)
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  • GitHub Check: ABI ↔ FFI structural conformance
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🔇 Additional comments (1)
.github/workflows/rhodibot.yml (1)

37-37: LGTM!


📝 Summary

Summary by CodeRabbit

  • Chores
    • Improved the reliability and reproducibility of automated build and deployment workflows by using a fixed, verified version of a required workflow component.
    • No changes to product functionality or the end-user experience.

Walkthrough

The canary workflow now pins actions/checkout to the immutable commit for release v7.0.1 instead of using the mutable tag.

Changes

Workflow action security

Layer / File(s) Summary
Pin the checkout action
.github/workflows/rhodibot.yml
The Checkout step now uses commit SHA 3d3c42e5aac5ba805825da76410c181273ba90b1 for actions/checkout.

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 purpose and intended effect of the change, but it does not follow the repository template. It omits the required Changes, RSR Quality Checklist, Testing, and Screenshots s… Reformat the description using the repository template. Add the required sections and complete the applicable checklist items. Include the testing performed and state whether screenshots or terminal output are applicable.
✅ Passed checks (4 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.
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 purpose and intended effect of the change, but it does not follow the repository template. It omits the required Changes, RSR Quality Checklist, Testing, and Screenshots sections.

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A rabbit checks the workflow line
The checkout commit stays fixed and fine
No mutable tag can hop away
The canary follows the pinned way
SHA-safe steps begin the day

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@hyperpolymath
hyperpolymath merged commit 718e8ea into main Sep 20, 2026
18 of 21 checks passed
@hyperpolymath
hyperpolymath deleted the fix/sha-pin-actions branch September 20, 2026 00:54
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