v1.0

.gitmodules

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+[submodule "STPrivilegedTask"]
+	path = STPrivilegedTask
+	url = https://github.com/watr/STPrivilegedTask.git

Xcode-Selector/AppDelegate.h

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+
+#import <Cocoa/Cocoa.h>
+
+@interface AppDelegate : NSObject <NSApplicationDelegate, NSTableViewDelegate>
+
+@property (weak) IBOutlet NSWindow *window;
+
+@property (weak) IBOutlet NSButton *selectButton;
+
+@property (strong) IBOutlet NSArrayController *xcodeItemsController;
+
+- (IBAction)realoadAction:(id)sender;
+
+- (IBAction)selectAction:(id)sender;
+
+@end

Xcode-Selector/AppDelegate.m

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+
+#import "AppDelegate.h"
+#import "XcodeItem.h"
+#import "XcodeHelper.h"
+
+@interface AppDelegate ()
+
+- (void)reload;
+
+@end
+
+@implementation AppDelegate
+
+#pragma mark NSApplicationDelegate
+
+- (void)applicationDidFinishLaunching:(NSNotification *)aNotification
+{
+    [self reload];
+
+    [self.window center];
+    [self.window makeKeyAndOrderFront:self];
+}
+
+- (BOOL)applicationShouldTerminateAfterLastWindowClosed:(NSApplication *)sender
+{
+    return YES;
+}
+
+#pragma mark NSTableViewDelegate
+
+- (void)tableViewSelectionDidChange:(NSNotification *)notification
+{
+    [self.selectButton setEnabled:((self.xcodeItemsController.selectedObjects.count == 1) &&
+                                   (! ((XcodeItem *)self.xcodeItemsController.selectedObjects[0]).selected))];
+}
+
+#pragma mark -
+
+- (IBAction)realoadAction:(id)sender {
+    [self reload];
+}
+
+- (IBAction)selectAction:(id)sender {
+    XcodeItem *item =
+    self.xcodeItemsController.selectedObjects[0];
+
+    if (item) {
+        NSString *selectedXcodePath = [XcodeHelper selectedXcodePath];
+        if (! [selectedXcodePath isEqualToString:item.xcodeDeveloperPath]) {
+            BOOL result = [XcodeHelper selectXcodeDeveloperDirectoryPath:item.xcodeDeveloperPath];
+            (void)result;
+            [self reload];
+        }
+    }
+}
+
+#pragma mark class extension
+
+- (void)reload
+{
+    NSString *selectedXcodePath = [XcodeHelper selectedXcodePath];
+    __block BOOL currentSelectedXcodeNotFound = YES;
+
+    [self.xcodeItemsController removeObjectsAtArrangedObjectIndexes:[NSIndexSet indexSetWithIndexesInRange:NSMakeRange(0, [self.xcodeItemsController.arrangedObjects count])]];
+
+    [[XcodeHelper xcodeApplicationPathsExceptOtherVolumes:YES] enumerateObjectsUsingBlock:
+     ^(NSString *xcodeApplicationPath, NSUInteger idx, BOOL *stop) {
+         XcodeItem *item = [XcodeItem itemWithXcodeApplicationPath:xcodeApplicationPath];
+
+         BOOL isSelected = [selectedXcodePath hasPrefix:xcodeApplicationPath];
+         item.selected = isSelected;
+         [self.xcodeItemsController addObject:item];
+
+         if (isSelected) {
+             currentSelectedXcodeNotFound = NO;
+             [self.xcodeItemsController setSelectedObjects:@[item]];
+         }
+     }];
+
+    if (currentSelectedXcodeNotFound) {
+        XcodeItem *item = [XcodeItem itemWithXcodeApplicationPath:selectedXcodePath];
+        item.selected = YES;
+        [self.xcodeItemsController addObject:item];
+        [self.xcodeItemsController setSelectedObjects:@[item]];
+    }
+}
+
+@end

Xcode-Selector/Images.xcassets/AppIcon.appiconset/Contents.json

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+{
+  "images" : [
+    {
+      "idiom" : "mac",
+      "size" : "16x16",
+      "scale" : "1x"
+    },
+    {
+      "idiom" : "mac",
+      "size" : "16x16",
+      "scale" : "2x"
+    },
+    {
+      "idiom" : "mac",
+      "size" : "32x32",
+      "scale" : "1x"
+    },
+    {
+      "idiom" : "mac",
+      "size" : "32x32",
+      "scale" : "2x"
+    },
+    {
+      "idiom" : "mac",
+      "size" : "128x128",
+      "scale" : "1x"
+    },
+    {
+      "idiom" : "mac",
+      "size" : "128x128",
+      "scale" : "2x"
+    },
+    {
+      "idiom" : "mac",
+      "size" : "256x256",
+      "scale" : "1x"
+    },
+    {
+      "idiom" : "mac",
+      "size" : "256x256",
+      "scale" : "2x"
+    },
+    {
+      "size" : "512x512",
+      "idiom" : "mac",
+      "filename" : "appicon.png",
+      "scale" : "1x"
+    },
+    {
+      "size" : "512x512",
+      "idiom" : "mac",
+      "filename" : "appicon@2x.png",
+      "scale" : "2x"
+    }
+  ],
+  "info" : {
+    "version" : 1,
+    "author" : "xcode"
+  }
+}

Xcode-Selector/Xcode-Selector-Info.plist

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+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>CFBundleDevelopmentRegion</key>
+	<string>en</string>
+	<key>CFBundleExecutable</key>
+	<string>${EXECUTABLE_NAME}</string>
+	<key>CFBundleIconFile</key>
+	<string></string>
+	<key>CFBundleIdentifier</key>
+	<string>com.prancee.${PRODUCT_NAME:rfc1034identifier}</string>
+	<key>CFBundleInfoDictionaryVersion</key>
+	<string>6.0</string>
+	<key>CFBundleName</key>
+	<string>${PRODUCT_NAME}</string>
+	<key>CFBundlePackageType</key>
+	<string>APPL</string>
+	<key>CFBundleShortVersionString</key>
+	<string>1.0</string>
+	<key>CFBundleSignature</key>
+	<string>????</string>
+	<key>CFBundleVersion</key>
+	<string>1</string>
+	<key>LSApplicationCategoryType</key>
+	<string></string>
+	<key>LSMinimumSystemVersion</key>
+	<string>${MACOSX_DEPLOYMENT_TARGET}</string>
+	<key>LSUIElement</key>
+	<false/>
+	<key>NSHumanReadableCopyright</key>
+	<string>Copyright © 2014 prancee.com. All rights reserved.</string>
+	<key>NSMainNibFile</key>
+	<string>MainMenu</string>
+	<key>NSPrincipalClass</key>
+	<string>NSApplication</string>
+</dict>
+</plist>

Xcode-Selector/Xcode-Selector-Prefix.pch

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+//
+//  Prefix header
+//
+//  The contents of this file are implicitly included at the beginning of every source file.
+//
+
+#ifdef __OBJC__
+    #import <Cocoa/Cocoa.h>
+#endif

Xcode-Selector/XcodeHelper.h

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+
+#import <Foundation/Foundation.h>
+
+@interface XcodeHelper : NSObject
+
++ (NSArray *)xcodeApplicationPathsExceptOtherVolumes:(BOOL)except;
+
++ (NSString *)selectedXcodePath;
+
++ (NSString *)xcodeTitleWithApplicationPath:(NSString *)xcodeApplicaionPath;
+
++ (NSString *)xcodeDeveloperDirectoryPathCreateWithApplicationPath:(NSString *)xcodeApplicationPath;
+
++ (BOOL)selectXcodeDeveloperDirectoryPath:(NSString *)developerDirectoryPath;
+
+@end

Xcode-Selector/XcodeHelper.m

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+
+#import "XcodeHelper.h"
+#import "STPrivilegedTask.h"
+
+@implementation XcodeHelper
+
++ (NSString *)selectedXcodePath
+{
+    NSTask *task = [[NSTask alloc] init];
+    [task setLaunchPath:@"/usr/bin/xcode-select"];
+    [task setArguments:@[@"-p"]];
+    NSPipe *outPipe = [NSPipe pipe];
+    [task setStandardOutput:outPipe];
+
+    NSFileHandle *fileHandle = [outPipe fileHandleForReading];
+    [task launch];
+    [task waitUntilExit];
+
+    NSData *data = [fileHandle readDataToEndOfFile];
+    NSString *outString = [[[NSString alloc] initWithData:data
+                                                encoding:NSUTF8StringEncoding] stringByTrimmingCharactersInSet:[NSCharacterSet newlineCharacterSet]];
+
+    return outString;
+}
+
++ (NSArray *)xcodeApplicationPathsExceptOtherVolumes:(BOOL)except;
+{
+    NSMutableArray *xcodePaths = [@[] mutableCopy];
+    MDQueryRef query = MDQueryCreate(NULL,
+                                     (__bridge CFStringRef)(@"kMDItemKind == 'Application' &&"
+                                                            "kMDItemCFBundleIdentifier == 'com.apple.dt.Xcode"),
+                                     NULL,
+                                     NULL);
+    if (MDQueryExecute(query,
+                       kMDQuerySynchronous))
+    {
+        NSInteger resultCount = MDQueryGetResultCount(query);
+        for (NSInteger i = 0; i < resultCount; i++) {
+            MDItemRef const item = (MDItemRef const)MDQueryGetResultAtIndex(query,
+                                                     i);
+            NSString *path = (__bridge_transfer NSString *)MDItemCopyAttribute(item, kMDItemPath);
+            if (path &&
+                ((! except) ||
+                 (! [path hasPrefix:@"/Volumes/"])))
+            {
+                    [xcodePaths addObject:path];
+            }
+        }
+    }
+    return (xcodePaths.count > 0 ? [NSArray arrayWithArray:xcodePaths] : nil);
+}
+
++ (NSString *)xcodeTitleWithApplicationPath:(NSString *)xcodeApplicaionPath
+{
+    NSBundle *xcodeApplicationBundle = [NSBundle bundleWithPath:xcodeApplicaionPath];
+    __block NSString *title = nil;
+    if (xcodeApplicationBundle) {
+        NSDictionary *info = [xcodeApplicationBundle infoDictionary];
+        NSString *versionString = [info objectForKey:@"CFBundleShortVersionString"];
+
+        title = [NSString stringWithFormat:@"%@ (%@)", [[NSFileManager defaultManager] displayNameAtPath:xcodeApplicaionPath], versionString];
+    }
+    else {
+        [[xcodeApplicaionPath pathComponents] enumerateObjectsWithOptions:NSEnumerationReverse
+                                                               usingBlock:^(id obj, NSUInteger idx, BOOL *stop) {
+                                                                   NSString *component = (NSString *)obj;
+                                                                   if ([[component pathExtension] isEqualToString:@"app"]) {
+                                                                       title = component;
+                                                                       *stop = YES;
+                                                                   }
+                                                               }];
+    }
+    return title;
+}
+
++ (NSString *)xcodeDeveloperDirectoryPathCreateWithApplicationPath:(NSString *)xcodeApplicationPath
+{
+    return [[xcodeApplicationPath stringByAppendingPathComponent:@"Contents"] stringByAppendingPathComponent:@"Developer"];
+}
+
++ (BOOL)selectXcodeDeveloperDirectoryPath:(NSString *)developerDirectoryPath
+{
+    [STPrivilegedTask launchedPrivilegedTaskWithLaunchPath:@"/usr/bin/xcode-select"
+                                                 arguments:@[@"-s", developerDirectoryPath]];
+    BOOL succeeded = ({
+        NSString *selectedXcodePath = [XcodeHelper selectedXcodePath];
+        ([developerDirectoryPath isEqualToString:[XcodeHelper xcodeDeveloperDirectoryPathCreateWithApplicationPath:selectedXcodePath]]);
+    });
+    return succeeded;
+}
+
+
+@end

Xcode-Selector/XcodeItem.h

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+
+#import <Foundation/Foundation.h>
+
+@interface XcodeItem : NSObject
+
+@property (nonatomic, copy) NSString *title;
+
+@property (nonatomic, strong) NSImage *image;
+
+@property (nonatomic, copy) NSString *xcodeDeveloperPath;
+
+@property (nonatomic, assign) BOOL selected;
+
++ (XcodeItem *)itemWithXcodeApplicationPath:(NSString *)path;
+
+- (XcodeItem *)initWithXcodeApplicationPath:(NSString *)path;
+
+@end