feat(action): trust-check/verify-signatures - Verify commit signatures
@aRustyDev is already working on this.
Since Jan 27, 2026.
Assessment
This issue has not been assessed yet.
Description
Parent Epic
Part of #22 (Atomic Release Pipeline Actions)
Priority
P2 - Trust validation for secure release pipelines
Description
Create a composite action that verifies commit signatures in a range.
Inputs
| Input | Required | Default | Description |
|---|---|---|---|
commit-range |
No | HEAD~1..HEAD |
Commit range to verify |
require-all |
No | true |
Require all commits to be signed |
allowed-keys |
No | - | Allowed GPG key IDs (comma-separated) |
verify-github |
No | true |
Accept GitHub's web-flow signature |
Outputs
| Output | Description |
|---|---|
all-signed |
"true" if all commits are signed |
signed-count |
Number of signed commits |
unsigned-count |
Number of unsigned commits |
unsigned-commits |
Comma-separated list of unsigned commit SHAs |
Usage Example
- uses: arustydev/gha/actions/trust-check/verify-signatures@v1
id: signatures
with:
commit-range: "origin/main..HEAD"
require-all: true
- if: steps.signatures.outputs.all-signed != 'true'
run: |
echo "Unsigned commits: ${{ steps.signatures.outputs.unsigned-commits }}"
exit 1
Implementation Notes
- Uses
git verify-commitfor verification - Handles GitHub's web-flow GPG key
- Supports allowlist of specific GPG keys
- Reports detailed results per commit
Source Reference
helm-charts/.github/workflows/auto-merge-integration.yaml:
- Signature verification logic for trusted merges
- Dominant language
- Shell
- Stars
- 0
- Forks
- 0
- PR merge metrics
- No merged PRs in 30d
Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
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