ci: harden GitHub Actions workflows and add zizmor scan - #169
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Backport of IntelPython/dpctl#2374. - Narrow top-level `permissions: read-all` to `contents: read`. - Add `persist-credentials: false` to all actions/checkout steps. - Add a 7-day cooldown to the dependabot update entries. - Add a zizmor workflow that scans .github/ for supply-chain and privilege-escalation issues in GitHub Actions workflows. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
antonwolfy
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jharlow-intel,
ndgrigorian,
vlad-perevezentsev and
xaleryb
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September 3, 2026 10:47
zizmor's stale-action-refs audit flagged the styfle/cancel-workflow-action pins: the SHA is correct, but its tag is `0.13.1` (no `v` prefix), so the `# v0.13.1` comment resolved to an unknown ref. Drop the `v` to match the actual tag and let the zizmor scan pass.
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Backport of IntelPython/dpctl#2374 to
mkl_random.Introduces a CI job that runs the zizmor static analyzer over the workflow files in
.github/, and applies the hardening zizmor recommends across the existing workflows.Changes
permissions: read-allwith a scopedpermissions:\n contents: readinbuild-docs.yml,build-with-clang.yml,build-with-standard-clang.yml,build_pip.yml,conda-package.yml,conda-package-cf.yml,pre-commit.yml, andopenssf-scorecard.yml. Job-level permission blocks are left intact.persist-credentials: falseto everyactions/checkoutstep that lacked it, preventing the checkout token from lingering in the local git config.cooldownto both thegithub-actionsandpre-commitupdate entries.zizmor.ymlworkflow — runs the zizmor scanner on pushes tomasterand on pull requests, with empty top-level permissions and a scopedcontents: readjob permission.min-severity: medium, so low/informational template-injection notes from internally-defined values are surfaced as annotations but do not gate CI.Notes
The template-injection fix and the
mshick/add-pr-commentversion-comment fix from the upstream PR are not applicable here:mkl_randomhas no workflow interpolating user-controllable dispatch inputs into arun:block, and it does not usemshick/add-pr-comment.CI/configuration-only change; no library code, tests, or documentation are affected.