Update deprecated actions/checkout v2 -> v4#3
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Pull request overview
Adds repository-level linting for GitHub Actions workflows using actionlint, aligning this repo with the org-wide rollout and updating the remaining actions/checkout usage to v4 to satisfy runner/tooling checks.
Changes:
- Introduces a new workflow to run
actionlinton pushes/PRs that modify workflow or actionlint config files. - Adds
.github/actionlint.yamlto define self-hosted runner labels and suppress ShellCheck info/style findings. - Updates
actions/checkoutfrom v2 → v4 in the Windows build/test workflow.
Reviewed changes
Copilot reviewed 3 out of 3 changed files in this pull request and generated 2 comments.
| File | Description |
|---|---|
| .github/workflows/lint-actions.yml | New CI workflow that runs actionlint on workflow/config changes. |
| .github/workflows/build-test.yml | Updates checkout action to v4. |
| .github/actionlint.yaml | Adds actionlint configuration (runner labels + ShellCheck ignore patterns). |
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| pull_request: | ||
| paths: ['.github/workflows/**', '.github/actionlint.yaml'] | ||
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| paths: | ||
| .github/workflows/**/*.yml: | ||
| ignore: &shellcheck-info-style | ||
| - 'shellcheck reported issue in this script: SC\d+:(info|style):' | ||
| .github/workflows/**/*.yaml: | ||
| ignore: *shellcheck-info-style |
- actions/checkout v2 -> v4 Found by an org-wide actionlint sweep; the lint tooling itself is staying in the core repos only, but these fixes stand on their own. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
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Found by an org-wide actionlint sweep. Per review feedback the lint tooling itself is staying in the core repos (compiler-explorer, infra, compiler-workflows) — this PR keeps just the fixes, which stand on their own:
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