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André Roth
2266eba019
Concurrent tasks were not properly locking their resources, leading to
inconsistent published indexes:
Task A: apiPublishUpdateSwitch loads published, reads source repo/snapshot
Request B: modifies same source repo or snapshot (add/remove packages, etc)
Task A: Update() + Publish() reads stale/modified source -> inconsistent
published index, or partial write if source deleted mid-task.
This changes introduces resource locking for publishing:
* SourceLocalRepo: iterate published.Sources (component -> source UUID), look up each local repo via localRepoCollection.ByUUID and append
string(repo.Key()) to resources
* SourceSnapshot: iterate b.Snapshots,look up each snapshot via snapshotCollection.ByName and append
string(snapshot.ResourceKey()) to resources.