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Fix pathHasMode() and only check for S_IFBLK (#800)

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This commit is contained in:
Nikolay Edigaryev
2024-04-23 11:12:35 -04:00
committed by GitHub
parent 3d46c4e6c2
commit 9f38441a42
1 changed files with 19 additions and 18 deletions
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Sources/tart/Commands/Run.swift
+19 -18
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@@ -441,6 +441,7 @@ struct Run: AsyncParsableCommand {
guard #available(macOS 14, *) else {
throw UnsupportedOSError("attaching Network Block Devices", "are")
}
let nbdAttachment = try VZNetworkBlockDeviceStorageDeviceAttachment(
url: diskURL!,
timeout: 30,
@@ -453,8 +454,7 @@ struct Run: AsyncParsableCommand {
let diskFileURL = URL(fileURLWithPath: diskPath)
// check if `diskPath` is a block device or a directory
if pathHasMode(diskPath, mode: S_IFBLK) || pathHasMode(diskPath, mode: S_IFDIR) {
if pathHasMode(diskPath, mode: S_IFBLK) {
guard #available(macOS 14, *) else {
throw UnsupportedOSError("attaching block devices", "are")
}
@@ -473,22 +473,23 @@ struct Run: AsyncParsableCommand {
}
}
let attachment = try VZDiskBlockDeviceStorageDeviceAttachment(fileHandle: FileHandle(fileDescriptor: fd, closeOnDealloc: true),
readOnly: diskReadOnly, synchronizationMode: .full)
result.append(VZVirtioBlockDeviceConfiguration(attachment: attachment))
} else {
// Error out if the disk is locked by the host (e.g. it was mounted in Finder),
// see https://github.com/cirruslabs/tart/issues/323 for more details.
if try !diskReadOnly && !FileLock(lockURL: diskFileURL).trylock() {
throw RuntimeError.DiskAlreadyInUse("disk \(diskFileURL.url.path) seems to be already in use, unmount it first in Finder")
}
let diskImageAttachment = try VZDiskImageStorageDeviceAttachment(
url: diskFileURL,
readOnly: diskReadOnly
)
result.append(VZVirtioBlockDeviceConfiguration(attachment: diskImageAttachment))
let blockAttachment = try VZDiskBlockDeviceStorageDeviceAttachment(fileHandle: FileHandle(fileDescriptor: fd, closeOnDealloc: true),
readOnly: diskReadOnly, synchronizationMode: .full)
result.append(VZVirtioBlockDeviceConfiguration(attachment: blockAttachment))
continue
}
// Error out if the disk is locked by the host (e.g. it was mounted in Finder),
// see https://github.com/cirruslabs/tart/issues/323 for more details.
if try !diskReadOnly && !FileLock(lockURL: diskFileURL).trylock() {
throw RuntimeError.DiskAlreadyInUse("disk \(diskFileURL.url.path) seems to be already in use, unmount it first in Finder")
}
let diskImageAttachment = try VZDiskImageStorageDeviceAttachment(
url: diskFileURL,
readOnly: diskReadOnly
)
result.append(VZVirtioBlockDeviceConfiguration(attachment: diskImageAttachment))
}
return result
@@ -849,5 +850,5 @@ func pathHasMode(_ path: String, mode: mode_t) -> Bool {
guard statRes != -1 else {
return false
}
return (Int32(st.st_mode) & Int32(mode)) == Int32(mode)
return (st.st_mode & S_IFMT) == mode
}