mirror of https://github.com/sbt/sbt.git
840887820c
**Problem** Intermittent java.nio.file.FileAlreadyExistsException when publishing classes.sbtdir.zip during action-cache packaging under parallel tasks (#9043). Copying from a temp directory straight into the final path races on the fixed destination name. **Solution** Stage the built zip next to the destination with a unique temp file, then replace the final path via Files.move with REPLACE_EXISTING and ATOMIC_MOVE, falling back to a non-atomic move when needed. Add a concurrent packageDirectory test. Closes #9043 Generated-by: Cursor (AI-assisted) |
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