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ci: add zizmor workflow audit - #577

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phil-davis merged 3 commits into
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ci/zizmor
Oct 26, 2026
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phil-davis merged 3 commits into
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ci/zizmor

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@oc-tmueller

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Adds a zizmor audit of this repository's GitHub Actions workflows and Dependabot config, through the new reusable owncloud/reusable-workflows/.github/workflows/zizmor.yml (owncloud/reusable-workflows#104). It's part of an org-wide rollout. Once the repo PRs have landed, Zizmor / Zizmor becomes a required check through owncloud/admin.

  • Behaviour: any finding, at any severity, fails the check, with an annotation on the offending line. The check runs on every PR, on pushes to master and weekly, because online audits such as known-vulnerable actions can start failing without a code change.
  • Permissions: contents: read only, so it also works on fork PRs.
  • Config: owncloud/* references may stay on @main. Everything else must be SHA-pinned.

Existing findings fixed (separate commits)

  • dependabot-cooldown: composer updates wait 7 days, as github-actions already does.
  • excessive-permissions: lint-pr-title has least-privilege permissions (contents: read, pull-requests: read).
  • artipacked: the l10n-lint checkout does not persist credentials.

zizmor 1.31.1 reports no findings on this branch.

🤖 Generated with Claude Code

oc-tmueller and others added 3 commits October 26, 2026 10:18
Runs zizmor over this repository's workflows and Dependabot config on
every pull request, on pushes to the default branch and weekly, through
owncloud/reusable-workflows' zizmor.yml. Any finding fails the check.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Signed-off-by: Thomas Müller <323649642+oc-tmueller@users.noreply.github.com>
- dependabot-cooldown: composer updates wait 7 days too, as
  github-actions already does.
- excessive-permissions: lint-pr-title only reads the pull request.
- artipacked: the l10n-lint checkout does not persist credentials.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Signed-off-by: Thomas Müller <323649642+oc-tmueller@users.noreply.github.com>
Only pull request runs of the zizmor audit cancel each other now; a push
to master and the weekly run share a ref and used to cancel one another.
lint-pr-title's job-level permissions replace the workflow-level block,
so the job lists contents: read itself.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Signed-off-by: Thomas Müller <323649642+oc-tmueller@users.noreply.github.com>
@oc-tmueller
oc-tmueller requested a review from a team as a code owner October 26, 2026 12:03
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2 participants