[Foundation] Implemented mkdtemp

Author: Bouke

Sources/POSIX/mkdtemp.swift

@@ -0,0 +1,34 @@
+/*
+ This source file is part of the Swift.org open source project
+
+ Copyright 2015 - 2016 Apple Inc. and the Swift project authors
+ Licensed under Apache License v2.0 with Runtime Library Exception
+
+ See http://swift.org/LICENSE.txt for license information
+ See http://swift.org/CONTRIBUTORS.txt for Swift project authors
+*/
+
+import Foundation
+
+/**
+ Creates a temporary directory for the duration of the provided closure.
+
+ - Note: the contents of the temporary directory is recursively removed.
+*/
+public func mkdtemp<T>(_ template: String, prefix: String! = nil, body: @noescape(String) throws -> T) throws -> T {
+
+    let dirname = "template.\(NSProcessInfo.processInfo().globallyUniqueString)"
+
+    #if os(OSX)
+        let path = NSURL(fileURLWithPath: NSTemporaryDirectory())
+            .appendingPathComponent(dirname, isDirectory: true)
+    #else
+        let path = NSURL(fileURLWithPath: NSTemporaryDirectory())
+            .URLByAppendingPathComponent(dirname, isDirectory: true)!
+    #endif
+
+    try NSFileManager.`default`().createDirectory(at: path, withIntermediateDirectories: true, attributes: [:])
+    defer { _ = try? NSFileManager.`default`().removeItem(at: path) }
+
+    return try body(path.path!)
+}

Sources/Utility/mkdtemp.swift

@@ -16,10 +16,10 @@ import func POSIX.getenv
 import func POSIX.popen
 import func Utility.realpath
 import enum POSIX.Error
-import func POSIX.mkdtemp
+import func Utility.mkdtemp
 
 #if os(OSX)
-import class Foundation.NSBundle
+    import class Foundation.NSBundle
 #endif
 
 
@@ -30,7 +30,7 @@ func fixture(name fixtureName: String, tags: [String] = [], file: StaticString =
     }
 
     do {
-        try POSIX.mkdtemp(gsub(fixtureName)) { prefix in
+        try Utility.mkdtemp(gsub(fixtureName)) { prefix in
             defer { _ = try? unlink(prefix) }
 
             let rootd = Path.join(#file, "../../../Fixtures", fixtureName).normpath
@@ -166,7 +166,7 @@ func executeSwiftBuild(_ chdir: String, configuration: Configuration = .Debug, p
 
 func mktmpdir(_ file: StaticString = #file, line: UInt = #line, body: @noescape(String) throws -> Void) {
     do {
-        try POSIX.mkdtemp("spm-tests") { dir in
+        try Utility.mkdtemp("spm-tests") { dir in
             defer { _ = try? unlink(dir) }
             try body(dir)
         }

Tests/Functional/Utilities.swift

@@ -9,7 +9,7 @@
  */
 
 import func Utility.realpath
-import func POSIX.mkdtemp
+import func Utility.mkdtemp
 import func POSIX.mkdir
 import func POSIX.symlink
 import func Utility.unlink

Tests/Utility/MiscTests.swift

@@ -14,7 +14,7 @@
 import XCTest
 import func POSIX.getenv
 import func POSIX.getcwd
-import func POSIX.mkdtemp
+import func Utility.mkdtemp
 import func Utility.unlink
 import func POSIX.symlink
 import func POSIX.mkdir

Tests/Utility/PathTests.swift

@@ -8,7 +8,7 @@
  See http://swift.org/CONTRIBUTORS.txt for Swift project authors
 */
 
-import func POSIX.mkdtemp
+import func Utility.mkdtemp
 import PackageType
 import Xcodeproj
 import Utility

Tests/Xcodeproj/FunctionalTests.swift

@@ -8,7 +8,6 @@
  See http://swift.org/CONTRIBUTORS.txt for Swift project authors
 */
 
-import func POSIX.mkdtemp
 import PackageType
 import Xcodeproj
 import Utility