61 lines
2.0 KiB
Swift
61 lines
2.0 KiB
Swift
import Foundation
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public extension Path {
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/// - Note: If file is already locked, does nothing
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/// - Note: If file doesn’t exist, throws
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@discardableResult
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public func lock() throws -> Path {
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var attrs = try FileManager.default.attributesOfItem(atPath: string)
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let b = attrs[.immutable] as? Bool ?? false
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if !b {
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attrs[.immutable] = true
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try FileManager.default.setAttributes(attrs, ofItemAtPath: string)
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}
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return self
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}
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/// - Note: If file isn‘t locked, does nothing
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/// - Note: If file doesn’t exist, does nothing
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@discardableResult
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public func unlock() throws -> Path {
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var attrs: [FileAttributeKey: Any]
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do {
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attrs = try FileManager.default.attributesOfItem(atPath: string)
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} catch CocoaError.fileReadNoSuchFile {
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return self
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}
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let b = attrs[.immutable] as? Bool ?? false
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if b {
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attrs[.immutable] = false
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try FileManager.default.setAttributes(attrs, ofItemAtPath: string)
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}
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return self
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}
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/**
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Sets the file’s attributes using UNIX octal notation.
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Path.home.join("foo").chmod(0o555)
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*/
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@discardableResult
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public func chmod(_ octal: Int) throws -> Path {
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try FileManager.default.setAttributes([.posixPermissions: octal], ofItemAtPath: string)
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return self
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}
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/**
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Returns the modification-time.
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- Note: Returns the creation time if there is no modification time.
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- Note: Returns UNIX-time-zero if neither are available, though this *should* be impossible.
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*/
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public var mtime: Date {
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do {
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let attrs = try FileManager.default.attributesOfItem(atPath: string)
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return attrs[.modificationDate] as? Date ?? attrs[.creationDate] as? Date ?? Date(timeIntervalSince1970: 0)
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} catch {
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//TODO log error
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return Date(timeIntervalSince1970: 0)
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}
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}
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}
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