BrianHotoppandClaude Opus 4.8 5a8cc7c9c2 [2.x] fix: Keep file I/O out of cache-write serialization (#9496)
putBlobsIfNeeded reads each blob's hash and size once, up front, and
returns only plain HashedVirtualFileRef values, so serializing an ActionResult
(disk, in-memory, or remote store) performs no file I/O and nothing re-stats a
blob after its CAS entry is written: a file vanishing once stored no longer
prevents the write, and I/O errors on an output file surface upfront at blob
storage time rather than mid-serialization.

Fixes #9349

Co-authored-by: Claude Opus 4.8 (1M context) <[email protected]>
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sbt

sbt is a build tool for Scala, Java, and more.

For general documentation, see https://www.scala-sbt.org/.

sbt 2.x

This is the 2.x series of sbt. The source code of sbt is split across several GitHub repositories, including this one.

  • sbt/io hosts sbt.io module.
  • sbt/zinc hosts Zinc, an incremental compiler for Scala.
  • sbt/sbt, this repository hosts modules that implement the build tool.
  • Setup: Describes getting started with the latest binary release.
  • FAQ: Explains how to get help and more.
  • sbt/sbt-zero-seven: hosts sbt 0.7.7 and earlier versions

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If you're looking for an idea for a contribution, issues labeled with good first issue or help wanted might be good starting points.

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license

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