🔧 Fix octo-sts pull_request policy subject pattern#4310
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thomas-lebeau merged 1 commit intomainfrom Mar 11, 2026
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GitLab CI changed the subject format from `refs/heads/main` to `ref_type:branch:ref:main`. Update the pull_request policy to match, aligning it with the format already used by the release policy.
BenoitZugmeyer
approved these changes
Mar 11, 2026
thomas-lebeau
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Motivation
The
bump-chrome-versionCI job (and any other job usinggetGithubPullRequestToken()) has been failing for months due to a subject format change in GitLab CI. As a result, the Chrome version used in tests has been stuck at 139 for ~7 months.The error:
GitLab updated the default OIDC
subclaim format fromrefs/heads/maintoref_type:branch:ref:main(see GitLab OIDC docs).Changes
Update
.github/chainguard/self.gitlab.pull_request.sts.yamlto use the new subject format, aligning it with the format already used by thereleasepolicy.Checklist
Tested on stagingAdded unit tests for this change.Added e2e/integration tests for this change.Updated documentation and/or relevant AGENTS.md file