diff options
| -rw-r--r-- | ios/MullvadVPN/Logging/LogRotation.swift | 16 |
1 files changed, 2 insertions, 14 deletions
diff --git a/ios/MullvadVPN/Logging/LogRotation.swift b/ios/MullvadVPN/Logging/LogRotation.swift index 4775315b77..a4c3be01f5 100644 --- a/ios/MullvadVPN/Logging/LogRotation.swift +++ b/ios/MullvadVPN/Logging/LogRotation.swift @@ -33,27 +33,15 @@ enum LogRotation { } static func rotateLog(logsDirectory: URL, logFileName: String) throws { - let fileManager = FileManager.default let source = logsDirectory.appendingPathComponent(logFileName) let backup = source.deletingPathExtension().appendingPathExtension("old.log") do { - _ = try fileManager.replaceItemAt(backup, withItemAt: source) + _ = try FileManager.default.replaceItemAt(backup, withItemAt: source) } catch { // FileManager returns a very obscure error chain so we need to traverse it to find // the root cause of the error. - var errorCursor: Swift.Error? = error - let cocoaErrorIterator = AnyIterator { () -> CocoaError? in - if let cocoaError = errorCursor as? CocoaError { - errorCursor = cocoaError.underlying - return cocoaError - } else { - errorCursor = nil - return nil - } - } - - while let fileError = cocoaErrorIterator.next() { + for case let fileError as CocoaError in error.underlyingErrorChain { // .fileNoSuchFile is returned when both backup and source log files do not exist // .fileReadNoSuchFile is returned when backup exists but source log file does not if fileError.code == .fileNoSuchFile || fileError.code == .fileReadNoSuchFile, |