enboxorg / gitd / 22564068245

83%

push

github

fix: add per-repo mutex to serialize post-push sync operations (#162)

Concurrent pushes to the same repository could race on DWN record
updates (ref-sync, bundle-sync) or bundle restores, causing data
corruption. A lightweight promise-chain mutex keyed by did/repoName
now serializes these operations per repository while allowing different
repos to proceed concurrently.

- Add repo-mutex.ts with withRepoLock<T>(key, fn) API
- Wrap onPushComplete and onRepoNotFound in serve.ts with withRepoLock
- Export withRepoLock from git-server index
- Add 6 unit tests covering serialization, parallel keys, error
  propagation, and lock cleanup

Closes #113

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