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fix(ci): pin third-party actions to full commit SHAs - #24

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

hyperpolymath merged 1 commit into
mainfrom
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
⚙️ Run configuration

Configuration used: Organization UI

Review profile: ASSERTIVE

Plan: Advanced

Run ID: 535ddaad-e22b-4781-a11d-b1b5b15c3736

📥 Commits

Reviewing files that changed from the base of the PR and between 7bf6b96 and 8082efd.

📒 Files selected for processing (1)
  • .github/workflows/rust-ci.yml

Included review availability: Your plan provides up to 1 included review per hour; 0 remain after this review.

📜 Recent review details
⏰ Context from checks skipped due to timeout. (6)
  • GitHub Check: secret-scan / shell-secrets
  • GitHub Check: secret-scan / rust-secrets
  • GitHub Check: secret-scan / gitleaks
  • GitHub Check: GitGuardian Security Checks
  • GitHub Check: check
  • GitHub Check: CodeQL Analysis (actions, none)
🧰 Additional context used
🪛 zizmor (1.30.0)
.github/workflows/rust-ci.yml

[warning] 16-16: credential persistence through GitHub Actions artifacts (artipacked): does not set persist-credentials: false

(artipacked)


[info] 17-17: action functionality is already included by the runner (superfluous-actions): use rustup and/or cargo in a script step

(superfluous-actions)

🔇 Additional comments (1)
.github/workflows/rust-ci.yml (1)

16-17: LGTM!

Also applies to: 19-19


📝 Summary

Summary by CodeRabbit

  • Chores
    • Updated the continuous integration workflow to use fixed versions of its build and source-management tools.
    • Explicitly configured checks to run with the stable Rust toolchain.

Walkthrough

The Rust CI workflow now pins its checkout and Rust toolchain actions to commits. It also explicitly selects the stable Rust toolchain.

Changes

Rust CI workflow

Layer / File(s) Summary
Pin CI actions
.github/workflows/rust-ci.yml
The workflow replaces tag references with commit pins for actions/checkout and dtolnay/rust-toolchain. It adds toolchain: stable.

Priority: ⬇️ Low

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

Change: Refactor

🚥 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 explicit Rust toolchain input, and the intended lack of behaviour changes.
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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@hyperpolymath
hyperpolymath merged commit eab65ba into main Sep 20, 2026
7 of 8 checks passed
@hyperpolymath
hyperpolymath deleted the fix/sha-pin-actions branch September 20, 2026 00:54
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