mirror of https://github.com/garrytan/gstack.git
33f235dd62
Destination labels were derived from the manifest's attempt count before generation, so two concurrent runs could pick the same variant-iteration-<label> path and overwrite each other's variant. Claim each destination atomically with an exclusive create (open "wx"), advancing to the next label on EEXIST, and guard the round-manifest read-modify-write with a lock file plus a temp-file + rename so concurrent updates don't drop an entry. Add concurrency and failure/restart tests asserting distinct labels and that no variant is overwritten. |
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| prototype.ts | ||