Git - enable copy-on-write to worktree include files when the file system supports it #288376
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Tyriar
reviewed
Jan 16, 2026
| await fsPromises.cp(sourceFile, targetFile, { | ||
| force: true, | ||
| mode: fs.constants.COPYFILE_FICLONE, | ||
| recursive: false, |
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The fact that this is a queue and not recursive for large folders will be a big slowdown. The default should do a simple optimized recursive copy of node modules
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Pull request overview
This PR enables copy-on-write (CoW) optimization when copying worktree include files to improve performance on file systems that support it (like APFS, Btrfs, and ReFS).
Changes:
- Removed progress notification UI for file copying operations
- Added
mode: fs.constants.COPYFILE_FICLONEto enable copy-on-write when the file system supports it - Added logging with timing information for copy operations
- Increased limiter concurrency from 10 to 15
dmitrivMS
approved these changes
Jan 16, 2026
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