Zanie Blue
908a7c11af
Fixes an regression from #18117 where executable permissions were not preserved on reflink. On Linux, the `FICLONE` ioctl only clones data blocks without preserving file metadata, so permissions must be copied separately. On macOS, `clonefile` already preserves permissions. This appears to be a well known issue: - https://github.com/pnpm/pnpm/issues/8546 - https://github.com/morelj/reflink/blob/53408edf3bf3c5090b1146923f72066c7f6e9200/cloneflags.go#L6-L22 - https://github.com/python/cpython/issues/81338 Closes https://github.com/astral-sh/uv/issues/18181