ci: add zizmor security scanning for GitHub Actions workflows - #3053
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ci: add zizmor security scanning for GitHub Actions workflows#3053antonwolfy wants to merge 7 commits into
antonwolfy wants to merge 7 commits into
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Add a CI job that runs the zizmor static analyzer over the workflow files under .github/ to catch supply-chain and privilege-escalation weaknesses (unpinned actions, credential persistence, template injection, overly broad permissions). The job runs on pull requests and pushes to master with least-privilege permissions and reports findings as inline annotations.
Replace top-level 'permissions: read-all' with the minimal 'contents: read' in check-onemath, conda-package and conda-package-cf; jobs needing more (actions: write to cancel prior runs, pull-requests: write to comment) already declare their own job-level permissions.
Correct the version comments so they match the pinned commit SHAs (addresses zizmor's mismatched/missing version comment finding); the SHAs themselves are unchanged and already correct: - mshick/add-pr-comment: garbled 'v3.12.0.8.3.12.0' -> 'v3.12.0' in build-sphinx and conda-package. - oprypin/find-latest-tag: '1.1.3' -> 'v1.1.3' in cron-run-tests so the ref resolves.
Set 'cooldown: default-days: 7' on the github-actions, pip, conda and pre-commit update entries so Dependabot waits a week after a release before opening an update PR (Dependabot's implicit default is 3 days). Addresses zizmor's dependabot-cooldown finding and reduces exposure to freshly published malicious or broken versions.
Add 'persist-credentials: false' to the actions/checkout steps so the GITHUB_TOKEN is not persisted in .git/config for later steps (addresses zizmor's artipacked finding). The only credential-pushing steps use explicit tokens (a tokened remote in build-sphinx, the peter-evans/create-pull-request token input in bump-sycl-deps) rather than the persisted checkout credential, so they are unaffected.
Move the inputs.channels-list, inputs.recipe-dir and env.python-conda-spec expansions in the conda-build/rebuild steps into step-level env vars and reference them as shell variables (addresses zizmor's high-severity template-injection findings). CHANNELS_LIST stays unquoted so it splits into separate -c CHANNEL args, with a scoped shellcheck disable; RECIPE_DIR is quoted.
Set min-severity: medium on the zizmor action so the job fails only on medium and high findings. The remaining low/informational template-injection notes come from internally-defined env/matrix values (no external input), so they are still surfaced as annotations but do not block CI.
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Adds a CI job that runs the zizmor static analyzer over the workflow files under
.github/.zizmoraudits GitHub Actions workflows for supply-chain and privilege-escalation weaknesses — unpinned action references, credential persistence through the checkout token, template injection via${{ ... }}expansion inrun:blocks, and overly broadGITHUB_TOKENpermissions.This is a CI/configuration-only change; no library code, tests, or documentation are affected.