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