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tart clone: only reclaim unallocated bytes (#973)

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Nikolay Edigaryev 2024-12-13 02:41:26 +04:00 committed by GitHub
parent 31ab4218f7
commit 2d7615bdf8
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1 changed files with 7 additions and 3 deletions
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10
Sources/tart/Commands/Clone.swift
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@ -71,10 +71,14 @@ struct Clone: AsyncParsableCommand {
try lock.unlock()
// APFS is doing copy-on-write so the above cloning operation (just copying files on disk)
// APFS is doing copy-on-write, so the above cloning operation (just copying files on disk)
// is not actually claiming new space until the VM is started and it writes something to disk.
// So once we clone the VM let's try to claim a little bit of space for the VM to run.
try Prune.reclaimIfNeeded(UInt64(sourceVM.allocatedSizeBytes()), sourceVM)
//
// So, once we clone the VM let's try to claim the rest of space for the VM to run without errors.
let unallocatedBytes = try sourceVM.sizeBytes() - sourceVM.allocatedSizeBytes()
if unallocatedBytes > 0 {
try Prune.reclaimIfNeeded(UInt64(), sourceVM)
}
}, onCancel: {
try? FileManager.default.removeItem(at: tmpVMDir.baseURL)
})