* Harden workflows with least-privilege permissions and zizmor
Apply GitHub Actions security best practices to the action's own
workflows and integrate zizmor to catch regressions.
- Add explicit least-privilege `permissions:` to every workflow
(contents: read for read-only workflows; default-deny `{}` with
job-scoped grants for codeql, publish-immutable-actions and
update-config-files).
- Set `persist-credentials: false` on all checkout steps that don't
need the GITHUB_TOKEN afterwards.
- Move `${{ ... }}` expansions out of `run:` blocks into `env:` vars
to avoid template injection.
- Pin the alpine container image (alpine:latest -> alpine:3.21).
- Add a zizmor CI workflow that uploads SARIF to code scanning, plus a
`.github/zizmor.yml` pinning policy (ref-pin for actions/* and
github/*, hash-pin for third-party actions).
zizmor now reports no findings (offline and online).
Co-authored-by: Copilot <[email protected]>
* Potential fix for pull request finding
Co-authored-by: Copilot Autofix powered by AI <[email protected]>
* Fix indentation of if: in zizmor SARIF upload step
The `if:` key on the "Upload SARIF results to code scanning" step had no
indentation, producing invalid YAML ("Nested mappings are not allowed in
compact mappings"). This broke `npm run format-check` (prettier) in Basic
validation.
Indent `if:` to 8 spaces so it nests under the step alongside uses/with.
Co-authored-by: Copilot <[email protected]>
---------
Co-authored-by: Copilot <[email protected]>
Co-authored-by: Copilot Autofix powered by AI <[email protected]>
This workflow file publishes new action releases to the immutable action package of the same name as this repo.
This is part of the Immutable Actions project which is not yet fully released to the public. First party actions like this one are part of our initial testing of this feature.
