GitHub Actions pinning#277
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📝 WalkthroughWalkthroughThis PR hardens the repository's GitHub Actions security posture by pinning all action dependencies to specific commit SHAs across workflows and the composite action definition, while configuring Dependabot and Zizmor to manage and enforce those pinned versions automatically. ChangesGitHub Actions pinning and configuration
Estimated code review effort🎯 2 (Simple) | ⏱️ ~8 minutes Poem
🚥 Pre-merge checks | ✅ 5✅ Passed checks (5 passed)
✏️ Tip: You can configure your own custom pre-merge checks in the settings. ✨ Finishing Touches🧪 Generate unit tests (beta)
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Actionable comments posted: 2
🤖 Prompt for all review comments with AI agents
Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.
Inline comments:
In @.github/workflows/ci.yml:
- Line 20: Replace mutable refs for the two GitHub Actions so they use immutable
commit SHAs: locate the uses entries for
DeterminateSystems/flake-checker-action@main and
DeterminateSystems/flakehub-cache-action@main and change each `@main` to the
corresponding pinned SHA (the full 40-char commit hash for the exact release you
want to depend on), ensuring you update both occurrences (the
flake-checker-action line and the flakehub-cache-action line) so both actions
are pinned to immutable SHAs.
In @.github/workflows/update.yml:
- Line 21: The workflow step currently references the action as
DeterminateSystems/update-flake-lock@main; replace the unpinned ref with a
specific commit SHA (e.g., DeterminateSystems/update-flake-lock@<commit-sha>) so
the `update-flake-lock` step is immutable—locate the line containing "uses:
DeterminateSystems/update-flake-lock@main" and swap `@main` for the chosen
commit SHA, committing the updated workflow file.
🪄 Autofix (Beta)
Fix all unresolved CodeRabbit comments on this PR:
- Push a commit to this branch (recommended)
- Create a new PR with the fixes
ℹ️ Review info
⚙️ Run configuration
Configuration used: defaults
Review profile: CHILL
Plan: Pro
Run ID: 6ca8f761-64cd-4434-8482-977125c122de
📒 Files selected for processing (6)
.github/dependabot.yml.github/workflows/ci.yml.github/workflows/update.yml.github/workflows/validate.yml.github/zizmor.ymlaction.yml
| fetch-depth: 0 | ||
| persist-credentials: false | ||
| - name: Check Nixpkgs | ||
| uses: DeterminateSystems/flake-checker-action@main |
There was a problem hiding this comment.
Pin remaining @main actions to immutable SHAs.
DeterminateSystems/flake-checker-action@main and DeterminateSystems/flakehub-cache-action@main are still mutable refs. This leaves a supply-chain gap in an otherwise pinned workflow.
Suggested change
- - name: Check Nixpkgs
- uses: DeterminateSystems/flake-checker-action@main
+ - name: Check Nixpkgs
+ uses: DeterminateSystems/flake-checker-action@<commit-sha> # <version>
...
- - name: Enable FlakeHub Cache
- uses: DeterminateSystems/flakehub-cache-action@main
+ - name: Enable FlakeHub Cache
+ uses: DeterminateSystems/flakehub-cache-action@<commit-sha> # <version>Also applies to: 28-28
🤖 Prompt for AI Agents
Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.
In @.github/workflows/ci.yml at line 20, Replace mutable refs for the two GitHub
Actions so they use immutable commit SHAs: locate the uses entries for
DeterminateSystems/flake-checker-action@main and
DeterminateSystems/flakehub-cache-action@main and change each `@main` to the
corresponding pinned SHA (the full 40-char commit hash for the exact release you
want to depend on), ensuring you update both occurrences (the
flake-checker-action line and the flakehub-cache-action line) so both actions
are pinned to immutable SHAs.
| with: | ||
| persist-credentials: false | ||
| - uses: DeterminateSystems/determinate-nix-action@4eea0b33e3d1f02ecfe37cf16e7204c424009606 # v3.21.0 | ||
| - uses: DeterminateSystems/update-flake-lock@main |
There was a problem hiding this comment.
update-flake-lock step is still unpinned (@main).
This step should also use a commit SHA to keep the workflow fully immutable and consistent with the pinning objective.
Suggested change
- - uses: DeterminateSystems/update-flake-lock@main
+ - uses: DeterminateSystems/update-flake-lock@<commit-sha> # <version>🤖 Prompt for AI Agents
Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.
In @.github/workflows/update.yml at line 21, The workflow step currently
references the action as DeterminateSystems/update-flake-lock@main; replace the
unpinned ref with a specific commit SHA (e.g.,
DeterminateSystems/update-flake-lock@<commit-sha>) so the `update-flake-lock`
step is immutable—locate the line containing "uses:
DeterminateSystems/update-flake-lock@main" and swap `@main` for the chosen
commit SHA, committing the updated workflow file.
|
You are seeing this message because GitHub Code Scanning has recently been set up for this repository, or this pull request contains the workflow file for the Code Scanning tool. What Enabling Code Scanning Means:
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