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Pin GitHub Actions to commit SHAs - #962

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pinner/actions-sha-pins-2026-09-10
Open

Pin GitHub Actions to commit SHAs#962
github-security-bot wants to merge 1 commit into
masterfrom
pinner/actions-sha-pins-2026-09-10

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@github-security-bot

@github-security-bot github-security-bot commented Sep 10, 2026

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Pins GitHub Actions uses: references in github/pages-gem to immutable commit SHAs.

Summary

Metric Count
Files changed 4
Files scanned 3
Refs found 3
Refs pinned 3
Skipped refs 0
Warnings 0
Errors 0

Why

Pinning actions to full commit SHAs prevents future tag or branch retargeting from changing workflow behavior without review.

Reviewer notes

  • Original refs are preserved in inline comments when possible.
  • Pin comments use the Dependabot-compatible original-ref style.
  • Branch refs were allowed and pinned to their current HEAD; review mutable-branch pins carefully.
  • No minimum action age was enforced for this run.

Pinned refs

Location Before After Resolved as
.github/workflows/publish-docker.yml:22 actions/checkout@v4 actions/checkout@11d5960a326750d5838078e36cf38b85af677262 tag
.github/workflows/publish-gem.yml:15 actions/checkout@v4 actions/checkout@11d5960a326750d5838078e36cf38b85af677262 tag
.github/workflows/push.yml:17 actions/checkout@v4 actions/checkout@11d5960a326750d5838078e36cf38b85af677262 tag

Dependabot

  • Added a 7-day cooldown (cooldown: default-days: 7) to the existing github-actions Dependabot configuration.
  • The cooldown delays applying a newly published action release for 7 days, reducing exposure to a compromised or broken release while keeping you SHA-pinned.

Generated by pinner 0.1.0.

Copilot AI balanced review requested due to automatic review settings September 10, 2026 21:30

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🟢 Approval recommended

All references use the valid full SHA for checkout v4.4.0, and the Dependabot configuration is valid.

Pull request overview

Pins GitHub Actions dependencies to immutable SHAs and delays Dependabot updates for supply-chain safety.

Changes:

  • Pins actions/checkout to the verified v4.4.0 commit.
  • Adds a seven-day Dependabot cooldown.
File summaries
File Description
.github/workflows/push.yml Pins checkout in CI.
.github/workflows/publish-gem.yml Pins checkout in gem publishing.
.github/workflows/publish-docker.yml Pins checkout in Docker publishing.
.github/dependabot.yml Adds the update cooldown.
Review details
  • Files reviewed: 4/4 changed files
  • Comments generated: 0
  • Review effort level: Balanced

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2 participants