Add staging-cleanup and exercise it on the test packages - #10
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Add staging-cleanup and exercise it on the test packages#10alexadereyko wants to merge 4 commits into
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staging-cleanup is a reusable workflow that prunes aged staging packages: for each caller path, any index older than its retention window is removed through the index -- fetch it, delete its children by digest, then the index. It never deletes untagged versions, since the live children are untagged too. A repo points it at the paths it owns (e.g. its nightly channel) on a schedule. test-cleanup runs it against the throwaway test/* packages, starting as a dry-run.
Add org.opencontainers.image.created to the index annotations so a consumer can read each staging's age straight from the registry.
Find EOL enumerates each package's indexes with oras and reads their age from the org.opencontainers.image.created annotation, emitting the end-of-life digests (each stale index's children, then the index). Prune (ghcr) resolves those digests to GitHub Packages versions and deletes them over REST, since ghcr has no OCI manifest delete. Reading is registry-agnostic; only the prune step and the up-front guard are ghcr-specific. Retention sums days + hours + minutes + seconds. Exercise it end to end: publish real artifacts through staging-push, prune them with a 1-second retention, and assert the path is empty.
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staging-cleanup(reusable) — prunes indexes older than a per-path retention window, through the index.test-cleanupexercises it on the throwaway test/* packages, starting as a dry-run.