🍩 pass the request path around

Replace the installer with an XPC version
Doesn’t read install requests from the file system, also makes the installer installable once rather than once per install request.
2014-09-02 17:08:50 +02:00 · 2014-09-01 22:28:31 +02:00 · 2014-09-01 22:23:13 +02:00 · 2014-08-05 21:46:50 +01:00 · 2014-08-05 21:20:47 +01:00 · 2014-08-05 21:17:50 +01:00
179 changed files with 1972 additions and 9130 deletions
@@ -1,22 +1,9 @@
+[submodule "External/ReactiveCocoa"]
+	path = External/ReactiveCocoa
+	url = https://github.com/ReactiveCocoa/ReactiveCocoa.git
+[submodule "External/Mantle"]
+	path = External/Mantle
+	url = https://github.com/MantleFramework/Mantle.git
 [submodule "External/OHHTTPStubs"]
 	path = External/OHHTTPStubs
 	url = https://github.com/github/OHHTTPStubs
-[submodule "Carthage.checkout/Nimble"]
-	path = Carthage/Checkouts/Nimble
-	url = https://github.com/Quick/Nimble.git
-[submodule "Carthage.checkout/ReactiveCocoa"]
-	path = Carthage/Checkouts/ReactiveCocoa
-	url = https://github.com/ReactiveCocoa/ReactiveCocoa.git
-[submodule "Carthage.checkout/Quick"]
-	path = Carthage/Checkouts/Quick
-	url = https://github.com/Quick/Quick.git
-[submodule "Carthage.checkout/xcconfigs"]
-	path = Carthage/Checkouts/xcconfigs
-	url = https://github.com/jspahrsummers/xcconfigs.git
-[submodule "Carthage.checkout/Mantle"]
-	path = Carthage/Checkouts/Mantle
-	url = https://github.com/Mantle/Mantle.git
-[submodule "Carthage/Checkouts/Nimble"]
-	url = https://github.com/Quick/Nimble.git
-[submodule "Carthage/Checkouts/Quick"]
-	url = https://github.com/Quick/Quick.git
@@ -1,10 +0,0 @@
-osx_image: xcode8.3
-language: objective-c
-
-install: script/bootstrap
-script: script/cibuild
-notifications:
-  email: false
-env:
-  global:
-    secure: L4C3hHzXc/sgL35dIz3kjqIzPWnXCHsFOgbOcz0f249zlnegeKHQdChm4HUDtfrbmKLMYQCIvVfcgPeLaHkCSeHqXUihXLT2LglK+0GX3MBbFzde9x1uln2O68hH1tTmBg2O2i4Dtc4D3e+2tVv3XmhQDZt0znIVO6n9YgevDqw=
@@ -1,2 +0,0 @@
-github "Mantle/Mantle" ~> 1.5.3
-github "ReactiveCocoa/ReactiveCocoa" ~> 2.4.3
@@ -1,3 +0,0 @@
-github "jspahrsummers/xcconfigs" ~> 0.8.1
-github "Quick/Quick" ~> 1.1.0
-github "Quick/Nimble" ~> 6.1.0
@@ -1,5 +0,0 @@
-github "Mantle/Mantle" "1.5.8"
-github "Quick/Nimble" "v6.1.0"
-github "Quick/Quick" "v1.1.0"
-github "ReactiveCocoa/ReactiveCocoa" "v2.5"
-github "jspahrsummers/xcconfigs" "0.8.1"
@@ -6,7 +6,6 @@ and transparent as updates to a website**.
 Instead of publishing a feed of versions from which your app must select,
 Squirrel updates to the version your server tells it to. This allows you to
 intelligently update your clients based on the request you give to Squirrel.
-The server can remotely drive behaviors like rolling back or phased rollouts.

 Your request can include authentication details, custom headers or a request
 body so that your server has the context it needs in order to supply the most
@@ -40,7 +39,7 @@ If you’re developing Squirrel on its own, then use `Squirrel.xcworkspace`.
 # Dependencies

 Squirrel depends on [ReactiveCocoa](http://github.com/ReactiveCocoa/ReactiveCocoa)
-and [Mantle](https://github.com/Mantle/Mantle).
+and [Mantle](https://github.com/MantleFramework/Mantle).

 If your application is already using ReactiveCocoa, ensure it is using the same
 version as Squirrel.
@@ -114,18 +113,12 @@ To know when an update is ready to be installed, you can subscribe to the
 }];
 ```

-## Installing Updates
+If you've been notified of an available update, and don't want to wait for it to
+be installed automatically, you can terminate the app to begin the installation
+process immediately.

-While downloaded updates are automatically installed when your application
-terminates, if don't want to wait you can manually terminate the app to begin
-the installation process immediately.
-
-Once an [update available notification](#update-available-notifications) has
-been received, you may want to present an interface informing the user about
-the update and offering the ability to install and relaunch.
-
-To explicitly install a downloaded update and automatically relaunch afterward,
-subscribe to the `relaunchToInstallUpdate` signal on `SQRLUpdater`:
+If you want to install a downloaded update and automatically relaunch afterward,
+`SQRLUpdater` can do that:

 ```objc
 [[self.updater relaunchToInstallUpdate] subscribeError:^(NSError *error) {
@@ -159,7 +152,7 @@ to the update request provided:
 	"url": "http://mycompany.com/myapp/releases/myrelease",
 	"name": "My Release Name",
 	"notes": "Theses are some release notes innit",
-	"pub_date": "2013-09-18T12:29:53+01:00"
+	"pub_date": "2013-09-18T12:29:53+01:00",
 }
 ```

@@ -176,4 +169,4 @@ appropriate format.

 Squirrel does not provide any GUI components for presenting updates. If you want
 to indicate updates to the user, make sure to [listen for downloaded
-updates](#update-available-notifications).
+updates](#update-notifications).
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "0830"
+   LastUpgradeVersion = "0510"
   version = "1.3">
   <BuildAction
      parallelizeBuildables = "YES"
@@ -15,50 +15,48 @@
            <BuildableReference
               BuildableIdentifier = "primary"
               BlueprintIdentifier = "D014AC0017B97885007D79D0"
-               BuildableName = "ShipIt"
-               BlueprintName = "ShipIt"
+               BuildableName = "shipit-installer"
+               BlueprintName = "ShipIt Installer"
               ReferencedContainer = "container:Squirrel.xcodeproj">
            </BuildableReference>
         </BuildActionEntry>
      </BuildActionEntries>
   </BuildAction>
   <TestAction
-      buildConfiguration = "Test"
      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
-      shouldUseLaunchSchemeArgsEnv = "YES">
+      shouldUseLaunchSchemeArgsEnv = "YES"
+      buildConfiguration = "Test">
      <Testables>
+         <TestableReference
+            skipped = "NO">
+            <BuildableReference
+               BuildableIdentifier = "primary"
+               BlueprintIdentifier = "D0C22BEE179CC00E00158214"
+               BuildableName = "SquirrelTests.xctest"
+               BlueprintName = "SquirrelTests"
+               ReferencedContainer = "container:Squirrel.xcodeproj">
+            </BuildableReference>
+         </TestableReference>
      </Testables>
-      <AdditionalOptions>
-      </AdditionalOptions>
   </TestAction>
   <LaunchAction
-      buildConfiguration = "Debug"
      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
      launchStyle = "0"
      useCustomWorkingDirectory = "NO"
+      buildConfiguration = "Debug"
      ignoresPersistentStateOnLaunch = "NO"
      debugDocumentVersioning = "YES"
-      debugServiceExtension = "internal"
      allowLocationSimulation = "YES">
-      <MacroExpansion>
-         <BuildableReference
-            BuildableIdentifier = "primary"
-            BlueprintIdentifier = "D014AC0017B97885007D79D0"
-            BuildableName = "ShipIt"
-            BlueprintName = "ShipIt"
-            ReferencedContainer = "container:Squirrel.xcodeproj">
-         </BuildableReference>
-      </MacroExpansion>
      <AdditionalOptions>
      </AdditionalOptions>
   </LaunchAction>
   <ProfileAction
-      buildConfiguration = "Release"
      shouldUseLaunchSchemeArgsEnv = "YES"
      savedToolIdentifier = ""
      useCustomWorkingDirectory = "NO"
+      buildConfiguration = "Release"
      debugDocumentVersioning = "YES">
   </ProfileAction>
   <AnalyzeAction
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "0830"
-   version = "2.0">
+   LastUpgradeVersion = "0510"
+   version = "1.3">
   <BuildAction
      parallelizeBuildables = "YES"
      buildImplicitDependencies = "YES">
@@ -22,10 +22,10 @@
         </BuildActionEntry>
         <BuildActionEntry
            buildForTesting = "YES"
-            buildForRunning = "NO"
+            buildForRunning = "YES"
            buildForProfiling = "NO"
            buildForArchiving = "NO"
-            buildForAnalyzing = "NO">
+            buildForAnalyzing = "YES">
            <BuildableReference
               BuildableIdentifier = "primary"
               BlueprintIdentifier = "D0C22BEE179CC00E00158214"
@@ -37,10 +37,10 @@
      </BuildActionEntries>
   </BuildAction>
   <TestAction
-      buildConfiguration = "Debug"
      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
-      shouldUseLaunchSchemeArgsEnv = "NO">
+      shouldUseLaunchSchemeArgsEnv = "YES"
+      buildConfiguration = "Test">
      <Testables>
         <TestableReference
            skipped = "NO">
@@ -53,45 +53,16 @@
            </BuildableReference>
         </TestableReference>
      </Testables>
-      <MacroExpansion>
-         <BuildableReference
-            BuildableIdentifier = "primary"
-            BlueprintIdentifier = "D0C22BD6179CC00E00158214"
-            BuildableName = "Squirrel.framework"
-            BlueprintName = "Squirrel"
-            ReferencedContainer = "container:Squirrel.xcodeproj">
-         </BuildableReference>
-      </MacroExpansion>
-      <EnvironmentVariables>
-         <EnvironmentVariable
-            key = "FORCE_APP_IDENTIFIER"
-            value = "com.github.Squirrel.SquirrelTests"
-            isEnabled = "YES">
-         </EnvironmentVariable>
-      </EnvironmentVariables>
-      <AdditionalOptions>
-      </AdditionalOptions>
   </TestAction>
   <LaunchAction
-      buildConfiguration = "Debug"
-      selectedDebuggerIdentifier = ""
-      selectedLauncherIdentifier = "Xcode.IDEFoundation.Launcher.PosixSpawn"
+      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
+      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
      launchStyle = "0"
      useCustomWorkingDirectory = "NO"
+      buildConfiguration = "Debug"
      ignoresPersistentStateOnLaunch = "NO"
      debugDocumentVersioning = "YES"
-      debugXPCServices = "NO"
-      debugServiceExtension = "internal"
      allowLocationSimulation = "YES">
-      <MacroExpansion>
-         <BuildableReference
-            BuildableIdentifier = "primary"
-            BlueprintIdentifier = "D0C22BD6179CC00E00158214"
-            BuildableName = "Squirrel.framework"
-            BlueprintName = "Squirrel"
-            ReferencedContainer = "container:Squirrel.xcodeproj">
-         </BuildableReference>
-      </MacroExpansion>
      <EnvironmentVariables>
         <EnvironmentVariable
            key = "SQRLUpdateFromURL"
@@ -103,20 +74,11 @@
      </AdditionalOptions>
   </LaunchAction>
   <ProfileAction
-      buildConfiguration = "Profile"
      shouldUseLaunchSchemeArgsEnv = "YES"
      savedToolIdentifier = ""
      useCustomWorkingDirectory = "NO"
+      buildConfiguration = "Profile"
      debugDocumentVersioning = "YES">
-      <MacroExpansion>
-         <BuildableReference
-            BuildableIdentifier = "primary"
-            BlueprintIdentifier = "D0C22BD6179CC00E00158214"
-            BuildableName = "Squirrel.framework"
-            BlueprintName = "Squirrel"
-            ReferencedContainer = "container:Squirrel.xcodeproj">
-         </BuildableReference>
-      </MacroExpansion>
   </ProfileAction>
   <AnalyzeAction
      buildConfiguration = "Debug">
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "0830"
+   LastUpgradeVersion = "0510"
   version = "1.3">
   <BuildAction
      parallelizeBuildables = "YES"
@@ -23,10 +23,10 @@
      </BuildActionEntries>
   </BuildAction>
   <TestAction
-      buildConfiguration = "Test"
      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
-      shouldUseLaunchSchemeArgsEnv = "YES">
+      shouldUseLaunchSchemeArgsEnv = "YES"
+      buildConfiguration = "Test">
      <Testables>
      </Testables>
      <MacroExpansion>
@@ -38,21 +38,17 @@
            ReferencedContainer = "container:Squirrel.xcodeproj">
         </BuildableReference>
      </MacroExpansion>
-      <AdditionalOptions>
-      </AdditionalOptions>
   </TestAction>
   <LaunchAction
-      buildConfiguration = "Debug"
      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
      launchStyle = "0"
      useCustomWorkingDirectory = "NO"
+      buildConfiguration = "Debug"
      ignoresPersistentStateOnLaunch = "NO"
      debugDocumentVersioning = "YES"
-      debugServiceExtension = "internal"
      allowLocationSimulation = "YES">
-      <BuildableProductRunnable
-         runnableDebuggingMode = "0">
+      <BuildableProductRunnable>
         <BuildableReference
            BuildableIdentifier = "primary"
            BlueprintIdentifier = "D08D4E0B17B451500012B22D"
@@ -65,13 +61,12 @@
      </AdditionalOptions>
   </LaunchAction>
   <ProfileAction
-      buildConfiguration = "Release"
      shouldUseLaunchSchemeArgsEnv = "YES"
      savedToolIdentifier = ""
      useCustomWorkingDirectory = "NO"
+      buildConfiguration = "Release"
      debugDocumentVersioning = "YES">
-      <BuildableProductRunnable
-         runnableDebuggingMode = "0">
+      <BuildableProductRunnable>
         <BuildableReference
            BuildableIdentifier = "primary"
            BlueprintIdentifier = "D08D4E0B17B451500012B22D"
@@ -5,18 +5,18 @@
      location = "group:Squirrel.xcodeproj">
   </FileRef>
   <FileRef
-      location = "group:Carthage/Checkouts/Mantle/Mantle.xcodeproj">
+      location = "group:External/Mantle/Mantle.xcodeproj">
   </FileRef>
   <FileRef
-      location = "group:Carthage/Checkouts/ReactiveCocoa/ReactiveCocoa.xcodeproj">
+      location = "group:External/ReactiveCocoa/ReactiveCocoaFramework/ReactiveCocoa.xcodeproj">
+   </FileRef>
+   <FileRef
+      location = "group:External/ReactiveCocoa/external/specta/Specta.xcodeproj">
+   </FileRef>
+   <FileRef
+      location = "group:External/ReactiveCocoa/external/expecta/Expecta.xcodeproj">
   </FileRef>
   <FileRef
      location = "group:External/OHHTTPStubs/OHHTTPStubs/OHHTTPStubs.xcodeproj">
   </FileRef>
-   <FileRef
-      location = "group:Carthage/Checkouts/Quick/Quick.xcodeproj">
-   </FileRef>
-   <FileRef
-      location = "group:Carthage/Checkouts/Nimble/Nimble.xcodeproj">
-   </FileRef>
 </Workspace>
@@ -14,7 +14,4 @@
 // Info.plist, or nil if the key is not present.
@property (nonatomic, copy, readonly) NSString *sqrl_bundleVersion;

-/// The value of the `kCFBundleExecutableKey` key.
-@property (nonatomic, copy, readonly) NSString *sqrl_executableName;
-
@end
@@ -14,8 +14,4 @@
 	return [self objectForInfoDictionaryKey:(id)kCFBundleVersionKey];
 }

- (NSString *)sqrl_executableName {
-	return [self objectForInfoDictionaryKey:(id)kCFBundleExecutableKey];
-}
-
@end
@@ -6,7 +6,7 @@
 //  Copyright (c) 2013 GitHub. All rights reserved.
 //

-#import <ReactiveCocoa/RACSignal.h>
+#import <ReactiveCocoa/ReactiveCocoa.h>

@interface RACSignal (SQRLTransactionExtensions)

@@ -7,8 +7,6 @@
 //

 #import "RACSignal+SQRLTransactionExtensions.h"
-
-#import <ReactiveCocoa/RACDisposable.h>
 #import <IOKit/pwr_mgt/IOPMLib.h>

 // How long before power assertions time out.
@@ -7,11 +7,8 @@
 //

 #import "SQRLCodeSignature.h"
-
-#import "EXTKeyPathCoding.h"
-#import "EXTScope.h"
-#import <ReactiveCocoa/RACSignal+Operations.h>
-#import <ReactiveCocoa/RACSubscriber.h>
+#import <ReactiveCocoa/EXTScope.h>
+#import <ReactiveCocoa/ReactiveCocoa.h>
 #import <Security/Security.h>

 NSString * const SQRLCodeSignatureErrorDomain = @"SQRLCodeSignatureErrorDomain";
@@ -6,7 +6,7 @@
 //  Copyright (c) 2013 GitHub. All rights reserved.
 //

-#import <Cocoa/Cocoa.h>
+#import <Foundation/Foundation.h>

@class RACSignal;

@@ -29,24 +29,14 @@
 //                 on-disk locations for. This must not be nil.
 - (instancetype)initWithApplicationIdentifier:(NSString *)appIdentifier;

-// Finds or creates a storage folder.
+// Finds or creates an Application Support folder.
 //
 // Returns a signal which synchronously sends a URL then completes, or errors.
- (RACSignal *)storageURL;
+- (RACSignal *)applicationSupportURL;

 // Determines where archived `SQRLShipItState` should be saved.
 //
 // Returns a signal which synchronously sends a URL then completes, or errors.
 - (RACSignal *)shipItStateURL;

-// Determines where ShipIt's stdout log should be saved.
-//
-// Returns a signal which synchronously sends a URL then completes, or errors.
- (RACSignal *)shipItStdoutURL;
-
-// Determines where ShipIt's stderr log should be saved.
-//
-// Returns a signal which synchronously sends a URL then completes, or errors.
- (RACSignal *)shipItStderrURL;
-
@end
@@ -7,8 +7,7 @@
 //

 #import "SQRLDirectoryManager.h"
-
-#import <ReactiveCocoa/RACSignal+Operations.h>
+#import <ReactiveCocoa/ReactiveCocoa.h>

@implementation SQRLDirectoryManager

@@ -24,7 +23,7 @@
 		// Should only fallback to when running under otest, where
 		// NSBundle.mainBundle doesn't return useful data.
 		if (identifier == nil) {
-			identifier = NSProcessInfo.processInfo.environment[@"FORCE_APP_IDENTIFIER"];
+			identifier = NSProcessInfo.processInfo.processName;
 		}

 		NSAssert(identifier != nil, @"Could not automatically determine the current application's identifier");
@@ -47,11 +46,11 @@

 #pragma mark Folder URLs

- (RACSignal *)storageURL {
+- (RACSignal *)applicationSupportURL {
 	return [[RACSignal
 		defer:^{
 			NSError *error = nil;
-			NSURL *folderURL = [NSFileManager.defaultManager URLForDirectory:NSCachesDirectory inDomain:NSUserDomainMask appropriateForURL:nil create:YES error:&error];
+			NSURL *folderURL = [NSFileManager.defaultManager URLForDirectory:NSApplicationSupportDirectory inDomain:NSUserDomainMask appropriateForURL:nil create:YES error:&error];
 			if (folderURL == nil) {
 				return [RACSignal error:error];
 			}
@@ -63,36 +62,18 @@

 			return [RACSignal return:folderURL];
 		}]
-		setNameWithFormat:@"%@ -storageURL", self];
+		setNameWithFormat:@"%@ -applicationSupportURL", self];
 }

 - (RACSignal *)shipItStateURL {
 	return [[[self
-		storageURL]
+		applicationSupportURL]
 		map:^(NSURL *folderURL) {
 			return [folderURL URLByAppendingPathComponent:@"ShipItState.plist"];
 		}]
 		setNameWithFormat:@"%@ -shipItStateURL", self];
 }

- (RACSignal *)shipItStdoutURL {
-	return [[[self
-		storageURL]
-		map:^(NSURL *folderURL) {
-			return [folderURL URLByAppendingPathComponent:@"ShipIt_stdout.log"];
-		}]
-		setNameWithFormat:@"%@ -shipItStdoutURL", self];
-}
-
- (RACSignal *)shipItStderrURL {
-	return [[[self
-		storageURL]
-		map:^(NSURL *folderURL) {
-			return [folderURL URLByAppendingPathComponent:@"ShipIt_stderr.log"];
-		}]
-		setNameWithFormat:@"%@ -shipItStderrURL", self];
-}
-
 #pragma mark NSObject

 - (NSString *)description {
@@ -40,9 +40,9 @@
 #pragma mark MTLJSONSerializing

 + (NSDictionary *)JSONKeyPathsByPropertyKey {
-	return @{
+	return [super.JSONKeyPathsByPropertyKey mtl_dictionaryByAddingEntriesFromDictionary:@{
 		@keypath(SQRLDownloadedUpdate.new, bundleURL): NSNull.null
-	};
+	}];
 }

@end
@@ -7,23 +7,16 @@
 //

 #import "SQRLInstaller.h"
-
-#import <libkern/OSAtomic.h>
-#import "EXTScope.h"
-#import <ReactiveCocoa/NSEnumerator+RACSequenceAdditions.h>
-#import <ReactiveCocoa/NSObject+RACPropertySubscribing.h>
-#import <ReactiveCocoa/RACCommand.h>
-#import <ReactiveCocoa/RACSequence.h>
-#import <ReactiveCocoa/RACSignal+Operations.h>
-#import <ReactiveCocoa/RACSubscriber.h>
-#import <sys/xattr.h>
-
 #import "NSBundle+SQRLVersionExtensions.h"
 #import "NSError+SQRLVerbosityExtensions.h"
 #import "RACSignal+SQRLTransactionExtensions.h"
 #import "SQRLCodeSignature.h"
+#import "SQRLDirectoryManager.h"
 #import "SQRLShipItRequest.h"
-#import "SQRLTerminationListener.h"
+#import <libkern/OSAtomic.h>
+#import <ReactiveCocoa/EXTScope.h>
+#import <ReactiveCocoa/ReactiveCocoa.h>
+#import <sys/xattr.h>
 #import "SQRLInstallerOwnedBundle.h"

 NSString * const SQRLInstallerErrorDomain = @"SQRLInstallerErrorDomain";
@@ -171,7 +164,7 @@ NSString * const SQRLInstallerOwnedBundleKey = @"SQRLInstallerOwnedBundle";

 		return [self abortInstall];
 	}];
-
+	
 	return self;
 }

@@ -261,49 +254,27 @@ NSString * const SQRLInstallerOwnedBundleKey = @"SQRLInstallerOwnedBundle";
 		setNameWithFormat:@"%@ -acquireTargetBundleURLForRequest: %@", self, request];
 }

- (RACSignal *)renameIfNeeded:(SQRLShipItRequest *)request updateBundleURL:(NSURL *)updateBundleURL {
-	if (!request.useUpdateBundleName) return [RACSignal return:request];
-
-	return [[self
-		renamedTargetIfNeededWithTargetURL:request.targetBundleURL sourceURL:updateBundleURL]
-		flattenMap:^(NSURL *newTargetURL) {
-			if ([newTargetURL isEqual:request.targetBundleURL]) return [RACSignal return:request];
-
-			SQRLShipItRequest *updatedRequest = [[SQRLShipItRequest alloc] initWithUpdateBundleURL:request.updateBundleURL targetBundleURL:newTargetURL bundleIdentifier:request.bundleIdentifier launchAfterInstallation:request.launchAfterInstallation useUpdateBundleName:request.useUpdateBundleName];
-			return [[self
-				installItemToURL:newTargetURL fromURL:request.targetBundleURL]
-				concat:[RACSignal return:updatedRequest]];
-		}];
-}
-
 - (RACSignal *)installRequest:(SQRLShipItRequest *)request {
 	NSParameterAssert(request != nil);

 	return [[[[self
 		prepareAndValidateUpdateBundleURLForRequest:request]
 		flattenMap:^(NSURL *updateBundleURL) {
-			return [[[[self
-				renameIfNeeded:request updateBundleURL:updateBundleURL]
-				flattenMap:^(SQRLShipItRequest *request) {
-					return [[self acquireTargetBundleURLForRequest:request] concat:[RACSignal return:request]];
-				}]
-				flattenMap:^(SQRLShipItRequest *request) {
-					return [[[[[[self
-						installItemToURL:request.targetBundleURL fromURL:updateBundleURL]
-						concat:[RACSignal return:request.updateBundleURL]]
-						concat:[RACSignal return:updateBundleURL]]
-						concat:[RACSignal defer:^{
-							return [RACSignal return:self.ownedBundle.temporaryURL];
-						}]]
-						flattenMap:^(NSURL *location) {
-							return [[[self
-								deleteOwnedBundleAtURL:location]
-								doError:^(NSError *error) {
-									NSLog(@"Couldn't remove owned bundle at location %@, error %@", location, error.sqrl_verboseDescription);
-								}]
-								catchTo:[RACSignal empty]];
+			return [[[[[[[self
+				acquireTargetBundleURLForRequest:request]
+				concat:[self installItemToURL:request.targetBundleURL fromURL:updateBundleURL]]
+				concat:[RACSignal return:request.updateBundleURL]]
+				concat:[RACSignal return:updateBundleURL]]
+				concat:[RACSignal defer:^{
+					return [RACSignal return:self.ownedBundle.temporaryURL];
+				}]]
+				flattenMap:^(NSURL *location) {
+					return [[[self
+						deleteOwnedBundleAtURL:location]
+						doError:^(NSError *error) {
+							NSLog(@"Couldn't remove owned bundle at location %@, error %@", location, error.sqrl_verboseDescription);
 						}]
-						concat:[RACSignal return:request]];
+						catchTo:[RACSignal empty]];
 				}]
 				doCompleted:^{
 					self.ownedBundle = nil;
@@ -401,20 +372,7 @@ NSString * const SQRLInstallerOwnedBundleKey = @"SQRLInstallerOwnedBundle";
 			if (rmdir(temporaryDirectoryURL.path.fileSystemRepresentation) == 0) {
 				return [RACSignal empty];
 			} else {
-				int code = errno;
-				NSMutableDictionary *userInfo = [NSMutableDictionary dictionary];
-
-				const char *desc = strerror(code);
-				if (desc != NULL) {
-					userInfo[NSLocalizedDescriptionKey] = @(desc);
-				} else {
-					userInfo[NSLocalizedDescriptionKey] = NSLocalizedString(@"Unknown POSIX error", @"");
-				}
-
-				userInfo[NSLocalizedFailureReasonErrorKey] = [NSString stringWithFormat:NSLocalizedString(@"Couldn't remove temp dir \"%@\"", @""), temporaryDirectoryURL.path];
-				userInfo[NSURLErrorKey] = temporaryDirectoryURL;
-
-				return [RACSignal error:[NSError errorWithDomain:NSPOSIXErrorDomain code:errno userInfo:userInfo]];
+				return [RACSignal error:[NSError errorWithDomain:NSPOSIXErrorDomain code:errno userInfo:nil]];
 			}
 		}]
 		setNameWithFormat:@"%@ -deleteOwnedBundleAtURL: %@", self, bundleURL];
@@ -447,36 +405,6 @@ NSString * const SQRLInstallerOwnedBundleKey = @"SQRLInstallerOwnedBundle";

 #pragma mark Installation

-/// Check if the target should be renamed and provide the renamed URL.
-///
-/// targetURL - The URL for the target. Cannot be nil.
-/// sourceURL - The URL for the source. Cannot be nil.
-///
-/// Returns a signal which will send the URL for the renamed target. If a rename
-/// isn't needed then it will send `targetURL`.
- (RACSignal *)renamedTargetIfNeededWithTargetURL:(NSURL *)targetURL sourceURL:(NSURL *)sourceURL {
-	return [RACSignal defer:^{
-		NSBundle *sourceBundle = [NSBundle bundleWithURL:sourceURL];
-		NSString *targetExecutableName = targetURL.lastPathComponent.stringByDeletingPathExtension;
-		NSString *sourceExecutableName = sourceBundle.sqrl_executableName;
-
-		// If they're already the same then we're good.
-		if ([targetExecutableName isEqual:sourceExecutableName]) {
-			return [RACSignal return:targetURL];
-		}
-
-		NSString *newAppName = [sourceExecutableName stringByAppendingPathExtension:@"app"];
-		NSURL *newTargetURL = [targetURL.URLByDeletingLastPathComponent URLByAppendingPathComponent:newAppName];
-
-		// If there's already something there then don't rename to it.
-		if ([NSFileManager.defaultManager fileExistsAtPath:newTargetURL.path]) {
-			return [RACSignal return:targetURL];
-		}
-
-		return [RACSignal return:newTargetURL];
-	}];
-}
-
 - (RACSignal *)installItemToURL:(NSURL *)targetURL fromURL:(NSURL *)sourceURL {
 	NSParameterAssert(targetURL != nil);
 	NSParameterAssert(sourceURL != nil);
@@ -489,7 +417,7 @@ NSString * const SQRLInstallerOwnedBundleKey = @"SQRLInstallerOwnedBundle";
 			} else {
 				int code = errno;
 				NSMutableDictionary *userInfo = [NSMutableDictionary dictionary];
-
+				
 				const char *desc = strerror(code);
 				if (desc != NULL) userInfo[NSLocalizedDescriptionKey] = @(desc);

@@ -541,16 +469,9 @@ NSString * const SQRLInstallerOwnedBundleKey = @"SQRLInstallerOwnedBundle";
 				// file to begin with.
 				if (code != ENOATTR) {
 					NSMutableDictionary *userInfo = [NSMutableDictionary dictionary];
-
+					
 					const char *desc = strerror(code);
-					if (desc != NULL) {
-						userInfo[NSLocalizedDescriptionKey] = @(desc);
-					} else {
-						userInfo[NSLocalizedDescriptionKey] = NSLocalizedString(@"Unknown POSIX error", @"");
-					}
-
-					userInfo[NSLocalizedFailureReasonErrorKey] = [NSString stringWithFormat:NSLocalizedString(@"Couldn't remove quarantine attribute from \"%@\". This most likely means the file is read-only.", @""), URL.path];
-					userInfo[NSURLErrorKey] = URL;
+					if (desc != NULL) userInfo[NSLocalizedDescriptionKey] = @(desc);

 					return [RACSignal error:[NSError errorWithDomain:NSPOSIXErrorDomain code:code userInfo:userInfo]];
 				}
@@ -604,9 +525,7 @@ NSString * const SQRLInstallerOwnedBundleKey = @"SQRLInstallerOwnedBundle";
 				return NO;
 			}];

-			return [[enumerator.rac_sequence.signal
-				startWith:directoryURL]
-				subscribe:subscriber];
+			return [enumerator.rac_sequence.signal subscribe:subscriber];
 		}]
 		flattenMap:^(NSURL *itemURL) {
 			return [[[self
@@ -8,7 +8,7 @@

 #import "SQRLInstallerOwnedBundle.h"

-#import "EXTKeyPathCoding.h"
+#import <ReactiveCocoa/EXTKeyPathCoding.h>

@implementation SQRLInstallerOwnedBundle

@@ -0,0 +1,81 @@
+//
+//  SQRLShipItConnection.h
+//  Squirrel
+//
+//  Created by Justin Spahr-Summers on 2013-08-12.
+//  Copyright (c) 2013 GitHub. All rights reserved.
+//
+
+#import <Foundation/Foundation.h>
+
+@class RACSignal;
+@class SQRLShipItRequest;
+
+// The domain for errors originating within SQRLShipItConnection.
+extern NSString * const SQRLShipItConnectionErrorDomain;
+
+// The ShipIt service could not be started.
+extern const NSInteger SQRLShipItConnectionErrorCouldNotStartService;
+
+// Installing an update requires the coordination of multiple processes,
+// `SQRLShipItConnection` is responsible for submitting the launchd jobs
+// required to perform an installation request.
+//
+// The multiprocess approach to waiting for termination and installing is
+// designed to keep uses of AppKit API (i.e. `NSRunningApplication`) out of the
+// installer process - which may be running in the root bootstrap context - and
+// put them in a process running in the user bootstrap context. These processes
+// can then communicate using the file system as a message bus.
+//
+// Frustratingly although LaunchServices is daemon and root safe since 10.5, the
+// LaunchServices API for querying the running applications isn't public
+// (internally `NSRunningApplication` uses this LaunchServices private API,
+// though of course this is subject to change and `NSRunningApplication` could
+// also do other non-root safe things).
+//
+// When a user application running Squirrel wants to install an update, Squirrel
+// submits two launchd jobs, one which will wait for application termination and
+// write an empty file to the given location when the criteria are met, and the
+// other which will wait for that file to appear and then perform the install as
+// before. The "wait for termination" job is always submitted to the user
+// domain, but the installer job is submitted to a domain based on whether the
+// install location is writable by the current user.
+//
+// To perform the relaunch when the install is complete, it is safe to use the
+// LaunchServices API from the installer process, the app will be launched in
+// the user's GUI session.
+//
+// From <https://developer.apple.com/library/mac/technotes/tn2083/>
+//
+// > If the EUID of the calling process is zero, the application is launched in
+// > the context of the currently active GUI login session. If there is no
+// > currently active GUI login session (no one is logged in, or a logged in
+// > user has fast user switched to the login window), the behavior is
+// > unspecified (r. 5321293).
+@interface SQRLShipItConnection : NSObject
+
+// Returns the label for the ShipIt launchd job.
+ (NSString *)shipItInstallerJobLabel;
+
+// Designated initialiser.
+//
+// privileged - Determines which launchd domain to launch the job in.
+//              If YES, ShipIt is launched in the root domain, otherwise it is
+//              launched in the current user’s domain.
+//
+// Returns an initialised connection which can be used to start an install.
+- (instancetype)initWithRootPrivileges:(BOOL)rootPrivileges;
+
+// Submits the request to the process network which will wait for termination
+// and then install.
+//
+// After sending the request, the update will be attempted when the sending
+// process terminates.
+//
+// request - The install parameters, target bundle, update bundle, whether to
+//           launch when install is complete etc. Must not be nil.
+//
+// Returns a signal which will complete, or error, on a background scheduler.
+- (RACSignal *)sendRequest:(SQRLShipItRequest *)request;
+
+@end
@@ -0,0 +1,203 @@
+//
+//  SQRLShipItConnection.m
+//  Squirrel
+//
+//  Created by Justin Spahr-Summers on 2013-08-12.
+//  Copyright (c) 2013 GitHub. All rights reserved.
+//
+
+#import "SQRLShipItConnection.h"
+#import "EXTScope.h"
+#import "SQRLDirectoryManager.h"
+#import <ReactiveCocoa/ReactiveCocoa.h>
+#import <Security/Security.h>
+#import <ServiceManagement/ServiceManagement.h>
+#import <launch.h>
+#import "SQRLAuthorization.h"
+#import "SQRLShipItRequest.h"
+
+NSString * const SQRLShipItConnectionErrorDomain = @"SQRLShipItConnectionErrorDomain";
+
+const NSInteger SQRLShipItConnectionErrorCouldNotStartService = 1;
+
+@interface SQRLShipItConnection ()
+@property (readonly, nonatomic, assign) BOOL privileged;
+@end
+
+@implementation SQRLShipItConnection
+
+ (NSString *)shipItInstallerJobLabel {
+	NSString *currentAppIdentifier = NSBundle.mainBundle.bundleIdentifier ?: [NSString stringWithFormat:@"%@:%d", NSProcessInfo.processInfo.processName, NSProcessInfo.processInfo.processIdentifier];
+	return [currentAppIdentifier stringByAppendingString:@".ShipIt"];
+}
+
+ (NSMutableDictionary *)jobDictionaryWithLabel:(NSString *)jobLabel executableName:(NSString *)executableName arguments:(NSArray *)arguments {
+	NSParameterAssert(jobLabel != nil);
+	NSParameterAssert(executableName != nil);
+	NSParameterAssert(arguments != nil);
+
+	NSMutableDictionary *jobDict = [NSMutableDictionary dictionary];
+	jobDict[@(LAUNCH_JOBKEY_LABEL)] = jobLabel;
+	jobDict[@(LAUNCH_JOBKEY_NICE)] = @(-1);
+	jobDict[@(LAUNCH_JOBKEY_ENABLETRANSACTIONS)] = @NO;
+	jobDict[@(LAUNCH_JOBKEY_THROTTLEINTERVAL)] = @2;
+
+	NSBundle *squirrelBundle = [NSBundle bundleForClass:self.class];
+	NSAssert(squirrelBundle != nil, @"Could not open Squirrel.framework bundle");
+
+	NSMutableArray *fullArguments = [NSMutableArray arrayWithObject:[squirrelBundle pathForResource:executableName ofType:nil]];
+	[fullArguments addObjectsFromArray:arguments];
+	jobDict[@(LAUNCH_JOBKEY_PROGRAMARGUMENTS)] = fullArguments;
+
+	return jobDict;
+}
+
+ (RACSignal *)shipItInstallerJobDictionary {
+	NSString *jobLabel = self.shipItInstallerJobLabel;
+
+	return [[[RACSignal
+		defer:^{
+			SQRLDirectoryManager *directoryManager = [[SQRLDirectoryManager alloc] initWithApplicationIdentifier:jobLabel];
+			return [directoryManager applicationSupportURL];
+		}]
+		map:^(NSURL *appSupportURL) {
+			NSMutableArray *arguments = [[NSMutableArray alloc] init];
+
+			// Pass in the service name so ShipIt knows how to broadcast itself.
+			[arguments addObject:jobLabel];
+
+			NSMutableDictionary *jobDict = [self jobDictionaryWithLabel:jobLabel executableName:@"shipit-installer" arguments:arguments];
+			jobDict[@(LAUNCH_JOBKEY_KEEPALIVE)] = @{
+				@(LAUNCH_JOBKEY_KEEPALIVE_SUCCESSFULEXIT): @NO
+			};
+
+			jobDict[@(LAUNCH_JOBKEY_STANDARDOUTPATH)] = [appSupportURL URLByAppendingPathComponent:@"ShipIt_stdout.log"].path;
+			jobDict[@(LAUNCH_JOBKEY_STANDARDERRORPATH)] = [appSupportURL URLByAppendingPathComponent:@"ShipIt_stderr.log"].path;
+			
+			return jobDict;
+		}]
+		setNameWithFormat:@"+shipItInstallerJobDictionary"];
+}
+
+ (RACSignal *)shipItAuthorization {
+	return [[RACSignal
+		createSignal:^ RACDisposable * (id<RACSubscriber> subscriber) {
+			AuthorizationItem rightItems[] = {
+				{
+					.name = kSMRightModifySystemDaemons,
+				},
+			};
+
+			AuthorizationRights rights = {
+				.count = sizeof(rightItems) / sizeof(*rightItems),
+				.items = rightItems,
+			};
+
+			NSString *prompt = NSLocalizedString(@"An update is ready to install.", @"SQRLShipItConnection, launch shipit, authorization prompt");
+
+			NSString *iconName = [NSBundle.mainBundle objectForInfoDictionaryKey:@"CFBundleIconFile"];
+			NSString *iconPath = (iconName == nil ? nil : [NSBundle.mainBundle pathForImageResource:iconName]);
+
+			AuthorizationItem environmentItems[] = {
+				{
+					.name = kAuthorizationEnvironmentPrompt,
+					.valueLength = strlen(prompt.UTF8String),
+					.value = (void *)prompt.UTF8String,
+				},
+				{
+					.name = kAuthorizationEnvironmentIcon,
+					.valueLength = (iconPath == nil ? 0 : strlen(iconPath.UTF8String)),
+					.value = (void *)iconPath.UTF8String,
+				},
+			};
+
+			AuthorizationEnvironment environment = {
+				.count = sizeof(environmentItems) / sizeof(*environmentItems),
+				.items = environmentItems,
+			};
+
+			AuthorizationRef authorization = NULL;
+			OSStatus authorizationError = AuthorizationCreate(&rights, &environment, kAuthorizationFlagInteractionAllowed | kAuthorizationFlagExtendRights, &authorization);
+
+			if (authorizationError == noErr) {
+				[subscriber sendNext:[[SQRLAuthorization alloc] initWithAuthorization:authorization]];
+				[subscriber sendCompleted];
+			} else {
+				[subscriber sendError:[NSError errorWithDomain:NSOSStatusErrorDomain code:authorizationError userInfo:nil]];
+			}
+
+			return nil;
+		}]
+		setNameWithFormat:@"+shipItAuthorization"];
+}
+
+- (instancetype)initWithRootPrivileges:(BOOL)rootPrivileges {
+	self = [self init];
+	if (self == nil) return nil;
+
+	_privileged = rootPrivileges;
+
+	return self;
+}
+
+- (RACSignal *)sendRequest:(SQRLShipItRequest *)request {
+	NSParameterAssert(request != nil);
+
+	return [[[self
+		submitInstallerJobForRequestIfNeeded:request]
+		concat:[RACSignal defer:^{
+
+		}]]
+		setNameWithFormat:@"%@ -sendRequest: %@", self, request];
+}
+
+- (RACSignal *)submitInstallerJobForRequestIfNeeded:(SQRLShipItRequest *)request {
+	// TODO implement lazy submission when the job is already loaded in launchd
+
+	CFStringRef domain = NULL; RACSignal *authorization;
+	if (self.privileged) {
+		domain = kSMDomainSystemLaunchd;
+		authorization = self.class.shipItAuthorization;
+	} else {
+		domain = kSMDomainUserLaunchd;
+		authorization = [RACSignal return:nil];
+	}
+
+	return [[[RACSignal
+		zip:@[
+			self.class.shipItInstallerJobDictionary,
+			authorization,
+		] reduce:^(NSDictionary *job, SQRLAuthorization *authorization) {
+			return [self submitJob:job domain:(__bridge id)domain authorization:authorization];
+		}]
+		flatten]
+		setNameWithFormat:@"%@ -submitInstallerJobForRequestIfNeeded: %@", self, request];
+}
+
+- (RACSignal *)submitJob:(NSDictionary *)job domain:(NSString *)domain authorization:(SQRLAuthorization *)authorizationValue {
+	return [[RACSignal
+		defer:^{
+			NSString *jobLabel = job[@(LAUNCH_JOBKEY_LABEL)];
+
+			AuthorizationRef authorization = authorizationValue.authorization;
+
+			CFErrorRef cfError;
+			if (!SMJobRemove((__bridge CFStringRef)domain, (__bridge CFStringRef)jobLabel, authorization, true, &cfError)) {
+				NSError *error = CFBridgingRelease(cfError);
+				cfError = NULL;
+
+				if (![error.domain isEqual:(__bridge id)kSMErrorDomainLaunchd] || error.code != kSMErrorJobNotFound) {
+					NSLog(@"Could not remove previous ShipIt job %@: %@", jobLabel, error);
+				}
+			}
+
+			if (!SMJobSubmit((__bridge CFStringRef)domain, (__bridge CFDictionaryRef)job, authorization, &cfError)) {
+				return [RACSignal error:CFBridgingRelease(cfError)];
+			}
+			
+			return [RACSignal empty];
+		}]
+		setNameWithFormat:@"%@ -submitJob: %@ domain: %@ authorization: %@", self, job, domain, authorizationValue];
+}
+
+@end
@@ -1,34 +0,0 @@
-//
-//  SQRLShipItLauncher.h
-//  Squirrel
-//
-//  Created by Justin Spahr-Summers on 2013-08-12.
-//  Copyright (c) 2013 GitHub. All rights reserved.
-//
-
-#import <Foundation/Foundation.h>
-
-@class RACSignal;
-
-// The domain for errors originating within SQRLShipItLauncher.
-extern NSString * const SQRLShipItLauncherErrorDomain;
-
-// The ShipIt service could not be started.
-extern const NSInteger SQRLShipItLauncherErrorCouldNotStartService;
-
-// Responsible for launching the ShipIt service to actually install an update.
-@interface SQRLShipItLauncher : NSObject
-
-// Returns the label for the ShipIt launchd job.
-+ (NSString *)shipItJobLabel;
-
-// Attempts to launch ShipIt.
-//
-// privileged - Determines which launchd domain to launch the job in.
-//              If YES, ShipIt is launched in the root domain, otherwise it is
-//              launched in the current user’s domain.
-//
-// Returns a signal which will complete, or error, on a background scheduler.
-+ (RACSignal *)launchPrivileged:(BOOL)privileged;
-
-@end
@@ -1,160 +0,0 @@
-//
-//  SQRLShipItLauncher.m
-//  Squirrel
-//
-//  Created by Justin Spahr-Summers on 2013-08-12.
-//  Copyright (c) 2013 GitHub. All rights reserved.
-//
-
-#import "SQRLShipItLauncher.h"
-#import "EXTScope.h"
-#import "SQRLDirectoryManager.h"
-#import <ReactiveCocoa/ReactiveCocoa.h>
-#import <Security/Security.h>
-#import <ServiceManagement/ServiceManagement.h>
-#import <launch.h>
-#import "SQRLAuthorization.h"
-
-NSString * const SQRLShipItLauncherErrorDomain = @"SQRLShipItLauncherErrorDomain";
-
-const NSInteger SQRLShipItLauncherErrorCouldNotStartService = 1;
-
-@implementation SQRLShipItLauncher
-
-+ (NSString *)shipItJobLabel {
-	return [SQRLDirectoryManager.currentApplicationManager.applicationIdentifier stringByAppendingString:@".ShipIt"];
-}
-
-+ (RACSignal *)shipItJobDictionary {
-	NSString *jobLabel = self.shipItJobLabel;
-
-	return [[[RACSignal
-		defer:^{
-			SQRLDirectoryManager *directoryManager = [[SQRLDirectoryManager alloc] initWithApplicationIdentifier:jobLabel];
-			return [RACSignal zip:@[
-				[directoryManager shipItStdoutURL],
-				[directoryManager shipItStderrURL],
-				[directoryManager shipItStateURL]
-			]];
-		}]
-		reduceEach:^(NSURL *stdoutURL, NSURL *stderrURL, NSURL *shipItStateURL) {
-			NSBundle *squirrelBundle = [NSBundle bundleForClass:self.class];
-			NSAssert(squirrelBundle != nil, @"Could not open Squirrel.framework bundle");
-
-			NSMutableDictionary *jobDict = [NSMutableDictionary dictionary];
-			jobDict[@(LAUNCH_JOBKEY_LABEL)] = jobLabel;
-			jobDict[@(LAUNCH_JOBKEY_NICE)] = @(-1);
-			jobDict[@(LAUNCH_JOBKEY_ENABLETRANSACTIONS)] = @NO;
-			jobDict[@(LAUNCH_JOBKEY_THROTTLEINTERVAL)] = @2;
-			jobDict[@(LAUNCH_JOBKEY_KEEPALIVE)] = @{
-				@(LAUNCH_JOBKEY_KEEPALIVE_SUCCESSFULEXIT): @NO
-			};
-
-			jobDict[@(LAUNCH_JOBKEY_MACHSERVICES)] = @{
-				jobLabel: @YES
-			};
-
-			NSMutableArray *arguments = [[NSMutableArray alloc] init];
-			[arguments addObject:[squirrelBundle URLForResource:@"ShipIt" withExtension:nil].path];
-
-			// Pass in the service name so ShipIt knows how to broadcast itself.
-			[arguments addObject:jobLabel];
-
-			// We need to pass the path to ShipIt rather than having ShipIt
-			// calculate the path itself. This is because ShipIt may run as a
-			// different user if it had to escalate to be able to replace the
-			// bundle.
-			[arguments addObject:shipItStateURL.path];
-
-			jobDict[@(LAUNCH_JOBKEY_PROGRAMARGUMENTS)] = arguments;
-			jobDict[@(LAUNCH_JOBKEY_STANDARDOUTPATH)] = stdoutURL.path;
-			jobDict[@(LAUNCH_JOBKEY_STANDARDERRORPATH)] = stderrURL.path;
-
-			return jobDict;
-		}]
-		setNameWithFormat:@"+shipItJobDictionary"];
-}
-
-+ (RACSignal *)shipItAuthorization {
-	return [[RACSignal
-		createSignal:^ RACDisposable * (id<RACSubscriber> subscriber) {
-			AuthorizationItem rightItems[] = {
-				{
-					.name = kSMRightModifySystemDaemons,
-				},
-			};
-
-			AuthorizationRights rights = {
-				.count = sizeof(rightItems) / sizeof(*rightItems),
-				.items = rightItems,
-			};
-
-			NSString *prompt = NSLocalizedString(@"An update is ready to install.", @"SQRLShipItLauncher, launch shipit, authorization prompt");
-
-			NSString *iconName = [NSBundle.mainBundle objectForInfoDictionaryKey:@"CFBundleIconFile"];
-			NSString *iconPath = (iconName == nil ? nil : [NSBundle.mainBundle.resourceURL URLByAppendingPathComponent:iconName].path);
-
-			AuthorizationItem environmentItems[] = {
-				{
-					.name = kAuthorizationEnvironmentPrompt,
-					.valueLength = strlen(prompt.UTF8String),
-					.value = (void *)prompt.UTF8String,
-				},
-				{
-					.name = kAuthorizationEnvironmentIcon,
-					.valueLength = iconPath == nil ? 0 : strlen(iconPath.UTF8String),
-					.value = (void *)iconPath.UTF8String,
-				},
-			};
-
-			AuthorizationEnvironment environment = {
-				.count = sizeof(environmentItems) / sizeof(*environmentItems),
-				.items = environmentItems,
-			};
-
-			AuthorizationRef authorization = NULL;
-			OSStatus authorizationError = AuthorizationCreate(&rights, &environment, kAuthorizationFlagInteractionAllowed | kAuthorizationFlagExtendRights, &authorization);
-
-			if (authorizationError == noErr) {
-				[subscriber sendNext:[[SQRLAuthorization alloc] initWithAuthorization:authorization]];
-				[subscriber sendCompleted];
-			} else {
-				[subscriber sendError:[NSError errorWithDomain:NSOSStatusErrorDomain code:authorizationError userInfo:nil]];
-			}
-
-			return nil;
-		}]
-		setNameWithFormat:@"+shipItAuthorization"];
-}
-
-+ (RACSignal *)launchPrivileged:(BOOL)privileged {
-	return [[[RACSignal
-		zip:@[
-			self.shipItJobDictionary,
-			(privileged ? self.shipItAuthorization : [RACSignal return:nil])
-		] reduce:^(NSDictionary *jobDictionary, SQRLAuthorization *authorizationValue) {
-			CFStringRef domain = (privileged ? kSMDomainSystemLaunchd : kSMDomainUserLaunchd);
-
-			AuthorizationRef authorization = authorizationValue.authorization;
-
-			CFErrorRef cfError;
-			if (!SMJobRemove(domain, (__bridge CFStringRef)self.shipItJobLabel, authorization, true, &cfError)) {
-				NSError *error = CFBridgingRelease(cfError);
-				cfError = NULL;
-
-				if (![error.domain isEqual:(__bridge id)kSMErrorDomainLaunchd] || error.code != kSMErrorJobNotFound) {
-					NSLog(@"Could not remove previous ShipIt job: %@", error);
-				}
-			}
-
-			if (!SMJobSubmit(domain, (__bridge CFDictionaryRef)jobDictionary, authorization, &cfError)) {
-				return [RACSignal error:CFBridgingRelease(cfError)];
-			}
-
-			return [RACSignal empty];
-		}]
-		flatten]
-		setNameWithFormat:@"+launchPrivileged: %i", (int)privileged];
-}
-
-@end
@@ -42,24 +42,21 @@ extern NSString * const SQRLShipItRequestPropertyErrorKey;
 // single update request from the client's perspective.
@interface SQRLShipItRequest : MTLModel

-// Reads a `SQRLShipItState` from disk, at the location specified by the given
-// URL signal.
+// Reads a `SQRLShipItState` from disk, at the location specified by the URL.
 //
-// URLSignal - Determines the file location to read from, the signal should send
-//             an `NSURL` object then complete, or error. This must not be nil.
+// URL - The file location to read from. This must not be nil.
 //
 // Returns a signal which will synchronously send a `SQRLShipItRequest` then
 // complete, or error.
-+ (RACSignal *)readUsingURL:(RACSignal *)URLSignal;
+ (RACSignal *)readFromURL:(NSURL *)URL;

-// Writes the receiver to disk, at the location specified by the given URL
-// signal.
+// Reads a `SQRLShipItState` from encoded data.
 //
-// URLSignal - Determines the file location to write to. The signal should send
-//             an `NSURL` object then complete, or error. This must not be nil.
+// data - Serialised request from `serialization`.
 //
-// Returns a signal which will synchronously complete or error.
- (RACSignal *)writeUsingURL:(RACSignal *)URLSignal;
+// Returns a signal which decodes the serialisation and sends a
+// `SQRLShipItRequest` then completes, or errors.
+ (RACSignal *)readFromData:(NSData *)data;

 // Designated initialiser.
 //
@@ -73,11 +70,10 @@ extern NSString * const SQRLShipItRequestPropertyErrorKey;
 //                           installing. Can be nil.
 // launchAfterInstallation - Whether the updated application should be launched
 //                           after installation.
-// useUpdateBundleName     - Should the target use the update bundle's name?
 //
 // Returns a request which can be written to disk for ShipIt to read and
 // perform.
- (instancetype)initWithUpdateBundleURL:(NSURL *)updateBundleURL targetBundleURL:(NSURL *)targetBundleURL bundleIdentifier:(NSString *)bundleIdentifier launchAfterInstallation:(BOOL)launchAfterInstallation useUpdateBundleName:(BOOL)useUpdateBundleName;
+- (instancetype)initWithUpdateBundleURL:(NSURL *)updateBundleURL targetBundleURL:(NSURL *)targetBundleURL bundleIdentifier:(NSString *)bundleIdentifier launchAfterInstallation:(BOOL)launchAfterInstallation;

 // The URL to the downloaded update's app bundle.
@property (nonatomic, copy, readonly) NSURL *updateBundleURL;
@@ -94,7 +90,17 @@ extern NSString * const SQRLShipItRequestPropertyErrorKey;
 // Whether to launch the application after an update is successfully installed.
@property (nonatomic, assign, readonly) BOOL launchAfterInstallation;

-// Whether the app should use the update bundle's name.
-@property (nonatomic, assign, readonly) BOOL useUpdateBundleName;
+// Writes the receiver's serialization to disk, at the location specified by the
+// URL.
+//
+// URL - The file location to write to. This must not be nil.
+//
+// Returns a signal which will synchronously complete or error.
+- (RACSignal *)writeToURL:(NSURL *)URL;
+
+// Encode the receiver for saving to disk or sending over IPC.
+//
+// Returns a signal which sends a `NSData` then completes, or errors.
+- (RACSignal *)serialization;

@end
@@ -8,8 +8,7 @@

 #import "SQRLShipItRequest.h"

-#import "EXTKeyPathCoding.h"
-#import <ReactiveCocoa/RACSignal+Operations.h>
+#import <ReactiveCocoa/ReactiveCocoa.h>

 NSString * const SQRLShipItRequestErrorDomain = @"SQRLShipItRequestErrorDomain";

@@ -47,13 +46,12 @@ NSString * const SQRLShipItRequestPropertyErrorKey = @"SQRLShipItRequestProperty
 	return self;
 }

- (instancetype)initWithUpdateBundleURL:(NSURL *)updateBundleURL targetBundleURL:(NSURL *)targetBundleURL bundleIdentifier:(NSString *)bundleIdentifier launchAfterInstallation:(BOOL)launchAfterInstallation useUpdateBundleName:(BOOL)useUpdateBundleName {
+- (instancetype)initWithUpdateBundleURL:(NSURL *)updateBundleURL targetBundleURL:(NSURL *)targetBundleURL bundleIdentifier:(NSString *)bundleIdentifier launchAfterInstallation:(BOOL)launchAfterInstallation {
 	return [self initWithDictionary:@{
 		@keypath(self.updateBundleURL): updateBundleURL,
 		@keypath(self.targetBundleURL): targetBundleURL,
 		@keypath(self.bundleIdentifier): bundleIdentifier ?: NSNull.null,
 		@keypath(self.launchAfterInstallation): @(launchAfterInstallation),
-		@keypath(self.useUpdateBundleName): @(useUpdateBundleName),
 	} error:NULL];
 }

@@ -71,13 +69,13 @@ NSString * const SQRLShipItRequestPropertyErrorKey = @"SQRLShipItRequestProperty
 	return [NSValueTransformer valueTransformerForName:MTLURLValueTransformerName];
 }

-+ (RACSignal *)readUsingURL:(RACSignal *)URL {
+ (RACSignal *)readFromURL:(NSURL *)URL {
 	NSParameterAssert(URL != nil);

-	return [[[[URL
-		flattenMap:^(NSURL *stateURL) {
+	return [[[[RACSignal
+		defer:^{
 			NSError *error;
-			NSData *data = [self readFromURL:stateURL error:&error];
+			NSData *data = [self readFromURL:URL error:&error];
 			if (data == nil) {
 				return [RACSignal error:error];
 			}
@@ -132,23 +130,20 @@ NSString * const SQRLShipItRequestPropertyErrorKey = @"SQRLShipItRequestProperty
 		setNameWithFormat:@"+readFromData: <NSData %p>", data];
 }

- (RACSignal *)writeUsingURL:(RACSignal *)URL {
+- (RACSignal *)writeToURL:(NSURL *)URL {
 	NSParameterAssert(URL != nil);

-	return [[[[RACSignal
-		zip:@[
-			URL,
-			[self serialization]
-		] reduce:^(NSURL *stateURL, NSData *data) {
+	return [[[[self
+		serialization]
+		flattenMap:^(NSData *data) {
 			NSError *error;
-			BOOL write = [self writeData:data toURL:stateURL error:&error];
+			BOOL write = [self writeData:data toURL:URL error:&error];
 			if (!write) {
 				return [RACSignal error:error];
 			}

 			return [RACSignal empty];
 		}]
-		flatten]
 		catch:^(NSError *error) {
 			NSDictionary *userInfo = @{
 				NSLocalizedDescriptionKey: NSLocalizedString(@"Could not write update request", nil),
@@ -1,32 +0,0 @@
-//
-//  SQRLTerminationListener.h
-//  Squirrel
-//
-//  Created by Justin Spahr-Summers on 2013-10-04.
-//  Copyright (c) 2013 GitHub. All rights reserved.
-//
-
-#import <Cocoa/Cocoa.h>
-
-@class RACSignal;
-
-// Waits for the termination of a GUI application.
-@interface SQRLTerminationListener : NSObject
-
-// Initializes the receiver to wait for termination of the app at the given
-// location.
-//
-// bundleURL - The URL to the application bundle to watch. This must not be nil.
-// bundleID  - The identifier of the application bundle to watch. This must not
-//             be nil.
- (id)initWithURL:(NSURL *)bundleURL bundleIdentifier:(NSString *)bundleID;
-
-// Lazily waits for termination of all instances of the application identified
-// at initialization.
-//
-// Returns a signal which send an `NSRunningApplication` for each instance of the
-// application that is being watched (before the instance terminates), then
-// completes on a background scheduler.
- (RACSignal *)waitForTermination;
-
-@end
@@ -1,95 +0,0 @@
-//
-//  SQRLTerminationListener.m
-//  Squirrel
-//
-//  Created by Justin Spahr-Summers on 2013-10-04.
-//  Copyright (c) 2013 GitHub. All rights reserved.
-//
-
-#import "SQRLTerminationListener.h"
-
-#import "EXTKeyPathCoding.h"
-#import <ReactiveCocoa/NSArray+RACSequenceAdditions.h>
-#import <ReactiveCocoa/RACDisposable.h>
-#import <ReactiveCocoa/RACScheduler.h>
-#import <ReactiveCocoa/RACSequence.h>
-#import <ReactiveCocoa/RACSignal+Operations.h>
-#import <ReactiveCocoa/RACSubscriber.h>
-
-@interface SQRLTerminationListener ()
-
-@property (nonatomic, copy, readonly) NSURL *bundleURL;
-@property (nonatomic, copy, readonly) NSString *bundleIdentifier;
-
-// Waits for the process identified by the given PID to terminate.
-//
-// Returns a signal which sends `processIdentifier` as soon as the process is
-// being monitored, then completes once it exits, all on a background thread. 
- (RACSignal *)waitForTerminationOfProcessIdentifier:(pid_t)processIdentifier;
-
-@end
-
-@implementation SQRLTerminationListener
-
-#pragma mark Lifecycle
-
- (id)initWithURL:(NSURL *)bundleURL bundleIdentifier:(NSString *)bundleID {
-	NSParameterAssert(bundleURL != nil);
-	NSParameterAssert(bundleID != nil);
-
-	self = [super init];
-	if (self == nil) return nil;
-
-	_bundleURL = bundleURL.URLByStandardizingPath;
-	_bundleIdentifier = [bundleID copy];
-
-	return self;
-}
-
-#pragma mark Termination Listening
-
- (RACSignal *)waitForTermination {
-	return [[[[RACSignal
-		defer:^{
-			NSArray *apps = [NSRunningApplication runningApplicationsWithBundleIdentifier:self.bundleIdentifier];
-			return [apps.rac_sequence signalWithScheduler:RACScheduler.immediateScheduler];
-		}]
-		filter:^(NSRunningApplication *application) {
-			return [application.bundleURL.URLByStandardizingPath isEqual:self.bundleURL];
-		}]
-		flattenMap:^(NSRunningApplication *application) {
-			return [[self
-				waitForTerminationOfProcessIdentifier:application.processIdentifier]
-				mapReplace:application];
-		}]
-		setNameWithFormat:@"%@ -waitForTermination", self];
-}
-
- (RACSignal *)waitForTerminationOfProcessIdentifier:(pid_t)processIdentifier {
-	return [[RACSignal
-		createSignal:^(id<RACSubscriber> subscriber) {
-			dispatch_source_t source = dispatch_source_create(DISPATCH_SOURCE_TYPE_PROC, processIdentifier, DISPATCH_PROC_EXIT, dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_HIGH, 0));
-
-			dispatch_source_set_registration_handler(source, ^{
-				[subscriber sendNext:@(processIdentifier)];
-			});
-
-			dispatch_source_set_event_handler(source, ^{
-				[subscriber sendCompleted];
-			});
-
-			dispatch_resume(source);
-			return [RACDisposable disposableWithBlock:^{
-				dispatch_source_cancel(source);
-			}];
-		}]
-		setNameWithFormat:@"%@ -waitForTerminationOfProcessIdentifier: %i", self, (int)processIdentifier];
-}
-
-#pragma mark NSObject
-
- (NSString *)description {
-	return [NSString stringWithFormat:@"<%@: %p>{ bundleURL: %@, bundleIdentifier: %@ }", self.class, self, self.bundleURL, self.bundleIdentifier];
-}
-
-@end
@@ -74,7 +74,7 @@ NSString * const SQRLUpdateJSONPublicationDateKey = @"pub_date";

 + (NSValueTransformer *)releaseDateJSONTransformer {
 	// ISO 8601 Time Zone with ':'
-	NSString * const ISO8601DateFormat = @"yyyy'-'MM'-'dd'T'HH':'mm':'ssZZZZZ";
+	NSString * const ISO8601DateFormat = @"yyyy'-'MM'-'DD'T'HH':'mm':'ssZZZZZ";

 	return [MTLValueTransformer reversibleTransformerWithForwardBlock:^ NSDate * (NSString *dateString) {
 		if (![dateString isKindOfClass:NSString.class]) return nil;
@@ -6,9 +6,6 @@
 //  Copyright (c) 2013 GitHub. All rights reserved.
 //

-#import <Foundation/Foundation.h>
-#import <ReactiveCocoa/ReactiveCocoa.h>
-
 // Represents the current state of the updater.
 //
 // SQRLUpdaterStateIdle              - Doing absolutely diddly squat.
@@ -23,9 +20,6 @@ typedef enum : NSUInteger {
       SQRLUpdaterStateAwaitingRelaunch,
 } SQRLUpdaterState;

-// Block for providing download requests given a download url
-typedef NSURLRequest * (^SQRLRequestForDownload)(NSURL *);
-
 // The domain for errors originating within SQRLUpdater.
 extern NSString * const SQRLUpdaterErrorDomain;

@@ -95,15 +89,6 @@ extern NSString * const SQRLUpdaterJSONObjectErrorKey;
 // This property must never be set to nil.
@property (atomic, copy) NSURLRequest *updateRequest;

-// The block used for fetching a given download request
-//
-// The default value is the argument that was originally passed to
-// -initWithUpdateRequest:requestForDownload:.
-//
-// If initialized with -initWithUpdateRequest: this block will
-// return a generic NSURLRequest with the provided url.
-@property (nonatomic, copy) SQRLRequestForDownload requestForDownload;
-
 // The `SQRLUpdate` subclass to instantiate with the server's response.
 //
 // By default, this is `SQRLUpdate` itself, but it can be set to a custom
@@ -123,18 +108,6 @@ extern NSString * const SQRLUpdaterJSONObjectErrorKey;
 // Returns the initialized `SQRLUpdater`.
 - (id)initWithUpdateRequest:(NSURLRequest *)updateRequest;

-// Initializes an updater that will send the given request to check for updates
-// and passes a block to provide requests for the update downloads.
-//
-// updateRequest - Same as with initWithUpdateRequest
-// requestForDownload - Once the update url is found for the update download, allow
-//                      providing custom requests that can be costomized as desired.
-//                      Useful for including `Authorization` headers just like the
-//                      updateRequest param.
-//
-// Returns the initialized `SQRLUpdater`.
- (id)initWithUpdateRequest:(NSURLRequest *)updateRequest requestForDownload:(SQRLRequestForDownload)requestForDownload;
-
 // Executes `checkForUpdatesCommand` (if enabled) every `interval` seconds.
 //
 // The first check will not occur until `interval` seconds have passed.
@@ -14,13 +14,13 @@
 #import "SQRLCodeSignature.h"
 #import "SQRLDirectoryManager.h"
 #import "SQRLDownloadedUpdate.h"
-#import "SQRLShipItLauncher.h"
+#import "SQRLShipItConnection.h"
+#import "SQRLShipItRequest.h"
 #import "SQRLUpdate.h"
 #import "SQRLZipArchiver.h"
 #import "SQRLShipItRequest.h"
 #import <ReactiveCocoa/EXTScope.h>
 #import <ReactiveCocoa/ReactiveCocoa.h>
-#import <sys/mount.h>

 NSString * const SQRLUpdaterErrorDomain = @"SQRLUpdaterErrorDomain";
 NSString * const SQRLUpdaterServerDataErrorKey = @"SQRLUpdaterServerDataErrorKey";
@@ -33,9 +33,6 @@ const NSInteger SQRLUpdaterErrorInvalidServerResponse = 5;
 const NSInteger SQRLUpdaterErrorInvalidJSON = 6;
 const NSInteger SQRLUpdaterErrorInvalidServerBody = 7;

-/// The application's being run on a read-only volume.
-const NSInteger SQRLUpdaterErrorReadOnlyVolume = 8;
-
 // The prefix used when creating temporary directories for updates. This will be
 // followed by a random string of characters.
 static NSString * const SQRLUpdaterUniqueTemporaryDirectoryPrefix = @"update.";
@@ -44,18 +41,22 @@ static NSString * const SQRLUpdaterUniqueTemporaryDirectoryPrefix = @"update.";

@property (atomic, readwrite) SQRLUpdaterState state;

-/// The etag of the currently downloaded update, nil if no update has been
-/// downloaded.
-@property (atomic, copy) NSString *etag;
-
 // The code signature for the running application, used to check updates before
 // sending them to ShipIt.
@property (nonatomic, strong, readonly) SQRLCodeSignature *signature;

-// Lazily launches ShipIt upon first subscription.
+// When executed with an `SQRLShipItState`, launches ShipIt.
+@property (nonatomic, strong, readonly) RACCommand *shipItLauncher;
+
+// Lazily removes outdated temporary directories (used for previous updates)
+// upon first subscription.
 //
-// Sends completed or error.
-@property (nonatomic, strong, readonly) RACSignal *shipItLauncher;
+// Pruning directories while an update is pending or in progress will result in
+// undefined behavior.
+//
+// Sends each removed directory then completes, or errors, on an unspecified
+// thread.
+@property (nonatomic, strong, readonly) RACSignal *prunedUpdateDirectories;

 // Parses an update model from downloaded data.
 //
@@ -144,19 +145,11 @@ static NSString * const SQRLUpdaterUniqueTemporaryDirectoryPrefix = @"update.";
 }

 - (id)initWithUpdateRequest:(NSURLRequest *)updateRequest {
-	return [self initWithUpdateRequest:updateRequest requestForDownload:^(NSURL *downloadURL) {
-		return [NSURLRequest requestWithURL:downloadURL];
-	}];
-}
-
- (id)initWithUpdateRequest:(NSURLRequest *)updateRequest requestForDownload:(SQRLRequestForDownload)requestForDownload {
 	NSParameterAssert(updateRequest != nil);
-	NSParameterAssert(requestForDownload != nil);

 	self = [super init];
 	if (self == nil) return nil;

-	_requestForDownload = [requestForDownload copy];
 	_updateRequest = [updateRequest copy];
 	_updateClass = SQRLUpdate.class;

@@ -175,6 +168,33 @@ static NSString * const SQRLUpdaterUniqueTemporaryDirectoryPrefix = @"update.";
 	BOOL updatesDisabled = (getenv("DISABLE_UPDATE_CHECK") != NULL);
 	@weakify(self);

+	_prunedUpdateDirectories = [[[[RACSignal
+		defer:^{
+			SQRLDirectoryManager *directoryManager = [[SQRLDirectoryManager alloc] initWithApplicationIdentifier:SQRLShipItConnection.shipItJobLabel];
+			return [directoryManager applicationSupportURL];
+		}]
+		flattenMap:^(NSURL *appSupportURL) {
+			NSFileManager *manager = [[NSFileManager alloc] init];
+			NSDirectoryEnumerator *enumerator = [manager enumeratorAtURL:appSupportURL includingPropertiesForKeys:nil options:NSDirectoryEnumerationSkipsSubdirectoryDescendants errorHandler:^(NSURL *URL, NSError *error) {
+				NSLog(@"Error enumerating item %@ within directory %@: %@", URL, appSupportURL, error);
+				return YES;
+			}];
+
+			return [[enumerator.rac_sequence.signal
+				filter:^(NSURL *enumeratedURL) {
+					NSString *name = enumeratedURL.lastPathComponent;
+					return [name hasPrefix:SQRLUpdaterUniqueTemporaryDirectoryPrefix];
+				}]
+				doNext:^(NSURL *directoryURL) {
+					NSError *error = nil;
+					if (![manager removeItemAtURL:directoryURL error:&error]) {
+						NSLog(@"Error removing old update directory at %@: %@", directoryURL, error.sqrl_verboseDescription);
+					}
+				}];
+		}]
+		replayLazily]
+		setNameWithFormat:@"%@ -prunedUpdateDirectories", self];
+
 	_checkForUpdatesCommand = [[RACCommand alloc] initWithEnabled:[RACSignal return:@(!updatesDisabled)] signalBlock:^(id _) {
 		@strongify(self);
 		NSParameterAssert(self.updateRequest != nil);
@@ -183,8 +203,12 @@ static NSString * const SQRLUpdaterUniqueTemporaryDirectoryPrefix = @"update.";
 		NSMutableURLRequest *request = [self.updateRequest mutableCopy];
 		[request setValue:@"application/json" forHTTPHeaderField:@"Accept"];

-		return [[[[[[[[self
-			performHousekeeping]
+		// Prune old updates before the first update check.
+		return [[[[[[[[self.prunedUpdateDirectories
+			catch:^(NSError *error) {
+				NSLog(@"Error pruning old updates: %@", error);
+				return [RACSignal empty];
+			}]
 			then:^{
 				self.state = SQRLUpdaterStateCheckingForUpdate;

@@ -206,16 +230,6 @@ static NSString * const SQRLUpdaterUniqueTemporaryDirectoryPrefix = @"update.";
 					if (httpResponse.statusCode == 204 /* No Content */) {
 						return [RACSignal empty];
 					}
-
-					BOOL readOnlyVolume = [self isRunningOnReadOnlyVolume];
-					if (readOnlyVolume) {
-						NSDictionary *errorInfo = @{
-						NSLocalizedDescriptionKey: NSLocalizedString(@"Cannot update while running on a read-only volume", nil),
-						NSLocalizedRecoverySuggestionErrorKey: NSLocalizedString(@"The application is on a read-only volume. Please move the application and try again. If you're on macOS Sierra or later, you'll need to move the application out of the Downloads directory. See https://github.com/Squirrel/Squirrel.Mac/issues/182 for more information.", nil),
-						};
-						NSError *error = [NSError errorWithDomain:SQRLUpdaterErrorDomain code:SQRLUpdaterErrorReadOnlyVolume userInfo:errorInfo];
-						return [RACSignal error:error];
-					}
 				}

 				return [RACSignal return:bodyData];
@@ -242,31 +256,23 @@ static NSString * const SQRLUpdaterUniqueTemporaryDirectoryPrefix = @"update.";
 			deliverOn:RACScheduler.mainThreadScheduler];
 	}];

-	_shipItLauncher = [[[RACSignal
-		defer:^{
-			@strongify(self);
+	_shipItLauncher = [[RACCommand alloc] initWithSignalBlock:^(SQRLShipItRequest *request) {
+		NSURL *targetURL = request.targetBundleURL;

-			NSURL *targetURL = NSRunningApplication.currentApplication.bundleURL;
+		NSNumber *targetWritable = nil;
+		NSError *targetWritableError = nil;
+		BOOL gotWritable = [targetURL getResourceValue:&targetWritable forKey:NSURLIsWritableKey error:&targetWritableError];

-			BOOL targetWritable = [self canWriteToURL:targetURL];
-			BOOL parentWritable = [self canWriteToURL:targetURL.URLByDeletingLastPathComponent];
-			return [SQRLShipItLauncher launchPrivileged:!targetWritable || !parentWritable];
-		}]
-		replayLazily]
-		setNameWithFormat:@"shipItLauncher"];
+		// If we can't determine whether it can be written, assume
+		// nonprivileged and wait for another, more canonical error.
+		SQRLShipItConnection *connection = [[SQRLShipItConnection alloc] initWithRootPrivileges:(gotWritable && !targetWritable.boolValue)];
+
+		return [connection sendRequest:request];
+	}];
 	
 	return self;
 }

- (BOOL)canWriteToURL:(NSURL *)fileURL {
-	NSNumber *writable = nil;
-	NSError *writableError = nil;
-	BOOL gotWritable = [fileURL getResourceValue:&writable forKey:NSURLIsWritableKey error:&writableError];
-	// If we can't determine whether it can be written, assume nonprivileged and
-	// wait for another, more canonical error.
-	return !gotWritable || writable.boolValue;
-}
-
 #pragma mark Checking for Updates

 - (RACDisposable *)startAutomaticChecksWithInterval:(NSTimeInterval)interval {
@@ -333,88 +339,36 @@ static NSString * const SQRLUpdaterUniqueTemporaryDirectoryPrefix = @"update.";
 	return [[[self
 		uniqueTemporaryDirectoryForUpdate]
 		flattenMap:^(NSURL *downloadDirectory) {
-			void (^cleanUp)(void) = ^{
-				NSError *error;
-				if (![NSFileManager.defaultManager removeItemAtURL:downloadDirectory error:&error]) {
-					NSLog(@"Error removing temporary download directory at %@: %@", downloadDirectory, error.sqrl_verboseDescription);
-				}
-			};
-
 			return [[[self
 				downloadBundleForUpdate:update intoDirectory:downloadDirectory]
 				flattenMap:^(NSBundle *updateBundle) {
-					// If the bundle is nil it means our conditional GET told us
-					// we already downloaded the update. So just clean up.
-					if (updateBundle == nil) {
-						cleanUp();
-						return [RACSignal empty];
-					}
-
 					return [self verifyAndPrepareUpdate:update fromBundle:updateBundle];
 				}]
 				doError:^(id _) {
-					cleanUp();
-				}];
-		}]
-		setNameWithFormat:@"%@ -downloadAndPrepareUpdate: %@", self, update];
-}
-
- (RACSignal *)unarchiveAndPrepareData:(NSData *)data withName:(NSString *)name intoDirectory:(NSURL *)downloadDirectory {
-	return [[[[[RACSignal
-		defer:^{
-			NSURL *zipOutputURL = [downloadDirectory URLByAppendingPathComponent:name];
-			NSError *error = nil;
-			if ([data writeToURL:zipOutputURL options:NSDataWritingAtomic error:&error]) {
-				return [RACSignal return:zipOutputURL];
-			} else {
-				return [RACSignal error:error];
-			}
-		}]
-		doNext:^(NSURL *zipOutputURL) {
-			NSLog(@"Download completed to: %@", zipOutputURL);
-		}]
-		flattenMap:^(NSURL *zipOutputURL) {
-			return [[[[SQRLZipArchiver
-				unzipArchiveAtURL:zipOutputURL intoDirectoryAtURL:downloadDirectory]
-				ignoreValues]
-				concat:[RACSignal return:zipOutputURL]]
-				doCompleted:^{
 					NSError *error = nil;
-					if (![NSFileManager.defaultManager removeItemAtURL:zipOutputURL error:&error]) {
-						NSLog(@"Error removing downloaded archive at %@: %@", zipOutputURL, error.sqrl_verboseDescription);
+					if (![NSFileManager.defaultManager removeItemAtURL:downloadDirectory error:&error]) {
+						NSLog(@"Error removing temporary download directory at %@: %@", downloadDirectory, error.sqrl_verboseDescription);
 					}
 				}];
 		}]
-		flattenMap:^(NSURL *zipOutputURL) {
-			return [self updateBundleMatchingCurrentApplicationInDirectory:downloadDirectory];
-		}]
-		setNameWithFormat:@"%@ -unarchiveAndPrepareData:withName: %@ intoDirectory: %@", self, name, downloadDirectory];
+		setNameWithFormat:@"%@ -downloadAndPrepareUpdate: %@", self, update];
 }

 - (RACSignal *)downloadBundleForUpdate:(SQRLUpdate *)update intoDirectory:(NSURL *)downloadDirectory {
 	NSParameterAssert(update != nil);
 	NSParameterAssert(downloadDirectory != nil);

-	return [[RACSignal
+	return [[[[[RACSignal
 		defer:^{
 			NSURL *zipDownloadURL = update.updateURL;
-			NSMutableURLRequest *zipDownloadRequest = [self.requestForDownload(zipDownloadURL) mutableCopy];
-
+			NSMutableURLRequest *zipDownloadRequest = [NSMutableURLRequest requestWithURL:zipDownloadURL];
 			[zipDownloadRequest setValue:@"application/zip" forHTTPHeaderField:@"Accept"];
-			if (self.etag != nil) {
-				[zipDownloadRequest setValue:self.etag forHTTPHeaderField:@"If-None-Match"];
-			}

-			return [[[NSURLConnection
+			return [[[[NSURLConnection
 				rac_sendAsynchronousRequest:zipDownloadRequest]
 				reduceEach:^(NSURLResponse *response, NSData *bodyData) {
 					if ([response isKindOfClass:NSHTTPURLResponse.class]) {
 						NSHTTPURLResponse *httpResponse = (id)response;
-
-						if (httpResponse.statusCode == 304 /* Not Modified */) {
-							return [RACSignal return:nil];
-						}
-
 						if (!(httpResponse.statusCode >= 200 && httpResponse.statusCode <= 299)) {
 							NSDictionary *errorInfo = @{
 								NSLocalizedDescriptionKey: NSLocalizedString(@"Update download failed", nil),
@@ -424,13 +378,37 @@ static NSString * const SQRLUpdaterUniqueTemporaryDirectoryPrefix = @"update.";
 							NSError *error = [NSError errorWithDomain:SQRLUpdaterErrorDomain code:SQRLUpdaterErrorInvalidServerResponse userInfo:errorInfo];
 							return [RACSignal error:error];
 						}
-
-						self.etag = httpResponse.allHeaderFields[@"ETag"];
 					}

-					return [self unarchiveAndPrepareData:bodyData withName:zipDownloadURL.lastPathComponent intoDirectory:downloadDirectory];
+					return [RACSignal return:bodyData];
 				}]
-				flatten];
+				flatten]
+				flattenMap:^(NSData *data) {
+					NSURL *zipOutputURL = [downloadDirectory URLByAppendingPathComponent:zipDownloadURL.lastPathComponent];
+
+					NSError *error = nil; 
+					if ([data writeToURL:zipOutputURL options:NSDataWritingAtomic error:&error]) {
+						return [RACSignal return:zipOutputURL];
+					} else {
+						return [RACSignal error:error];
+					}
+				}];
+		}]
+		doNext:^(NSURL *zipOutputURL) {
+			NSLog(@"Download completed to: %@", zipOutputURL);
+		}]
+		flattenMap:^(NSURL *zipOutputURL) {
+			return [[SQRLZipArchiver
+				unzipArchiveAtURL:zipOutputURL intoDirectoryAtURL:downloadDirectory]
+				doCompleted:^{
+					NSError *error = nil;
+					if (![NSFileManager.defaultManager removeItemAtURL:zipOutputURL error:&error]) {
+						NSLog(@"Error removing downloaded archive at %@: %@", zipOutputURL, error.sqrl_verboseDescription);
+					}
+				}];
+		}]
+		then:^{
+			return [self updateBundleMatchingCurrentApplicationInDirectory:downloadDirectory];
 		}]
 		setNameWithFormat:@"%@ -downloadBundleForUpdate: %@ intoDirectory: %@", self, update, downloadDirectory];
 }
@@ -440,11 +418,11 @@ static NSString * const SQRLUpdaterUniqueTemporaryDirectoryPrefix = @"update.";
 - (RACSignal *)uniqueTemporaryDirectoryForUpdate {
 	return [[[RACSignal
 		defer:^{
-			SQRLDirectoryManager *directoryManager = [[SQRLDirectoryManager alloc] initWithApplicationIdentifier:SQRLShipItLauncher.shipItJobLabel];
-			return [directoryManager storageURL];
+			SQRLDirectoryManager *directoryManager = [[SQRLDirectoryManager alloc] initWithApplicationIdentifier:SQRLShipItConnection.shipItJobLabel];
+			return [directoryManager applicationSupportURL];
 		}]
-		flattenMap:^(NSURL *storageURL) {
-			NSURL *updateDirectoryTemplate = [storageURL URLByAppendingPathComponent:[SQRLUpdaterUniqueTemporaryDirectoryPrefix stringByAppendingString:@"XXXXXXX"]];
+		flattenMap:^(NSURL *appSupportURL) {
+			NSURL *updateDirectoryTemplate = [appSupportURL URLByAppendingPathComponent:[SQRLUpdaterUniqueTemporaryDirectoryPrefix stringByAppendingString:@"XXXXXXX"]];
 			char *updateDirectoryCString = strdup(updateDirectoryTemplate.path.fileSystemRepresentation);
 			@onExit {
 				free(updateDirectoryCString);
@@ -514,106 +492,8 @@ static NSString * const SQRLUpdaterUniqueTemporaryDirectoryPrefix = @"update.";
 }

 - (RACSignal *)shipItStateURL {
-	return [[RACSignal
-		defer:^{
-			SQRLDirectoryManager *directoryManager = [[SQRLDirectoryManager alloc] initWithApplicationIdentifier:SQRLShipItLauncher.shipItJobLabel];
-			return directoryManager.shipItStateURL;
-		}]
-		setNameWithFormat:@"%@ -shipItStateURL", self];
-}
-
-/// Is the host app running on a read-only volume?
- (BOOL)isRunningOnReadOnlyVolume {
-	struct statfs statfsInfo;
-	NSURL *bundleURL = NSRunningApplication.currentApplication.bundleURL;
-	int result = statfs(bundleURL.fileSystemRepresentation, &statfsInfo);
-	if (result == 0) {
-		return (statfsInfo.f_flags & MNT_RDONLY) != 0;
-	} else {
-		// If we can't even check if the volume is read-only, assume it is.
-		return true;
-	}
-}
-
- (RACSignal *)performHousekeeping {
-	return [[RACSignal
-		merge:@[ [self pruneUpdateDirectories], [self truncateLogs] ]]
-		catch:^(NSError *error) {
-			NSLog(@"Error doing housekeeping: %@", error);
-			return [RACSignal empty];
-		}];
-}
-
-/// Lazily removes outdated temporary directories (used for previous updates)
-/// upon subscription.
-///
-/// Pruning directories while an update is pending or in progress will result in
-/// undefined behavior.
-///
-/// Sends each removed directory then completes, or errors, on an unspecified
-/// thread.
- (RACSignal *)pruneUpdateDirectories {
-	return [[[RACSignal
-		defer:^{
-			// If we already have updates downloaded we don't wanna prune them.
-			if (self.state == SQRLUpdaterStateAwaitingRelaunch) return [RACSignal empty];
-
-			SQRLDirectoryManager *directoryManager = [[SQRLDirectoryManager alloc] initWithApplicationIdentifier:SQRLShipItLauncher.shipItJobLabel];
-			return [directoryManager storageURL];
-		}]
-		flattenMap:^(NSURL *storageURL) {
-			NSFileManager *manager = [[NSFileManager alloc] init];
-			NSDirectoryEnumerator *enumerator = [manager enumeratorAtURL:storageURL includingPropertiesForKeys:nil options:NSDirectoryEnumerationSkipsSubdirectoryDescendants errorHandler:^(NSURL *URL, NSError *error) {
-				NSLog(@"Error enumerating item %@ within directory %@: %@", URL, storageURL, error);
-				return YES;
-			}];
-
-			return [[enumerator.rac_sequence.signal
-				filter:^(NSURL *enumeratedURL) {
-					NSString *name = enumeratedURL.lastPathComponent;
-					return [name hasPrefix:SQRLUpdaterUniqueTemporaryDirectoryPrefix];
-				}]
-				doNext:^(NSURL *directoryURL) {
-					NSError *error = nil;
-					if (![manager removeItemAtURL:directoryURL error:&error]) {
-						NSLog(@"Error removing old update directory at %@: %@", directoryURL, error.sqrl_verboseDescription);
-					}
-				}];
-		}]
-		setNameWithFormat:@"%@ -prunedUpdateDirectories", self];
-}
-
-
-// Like truncation, but backwards.
- (RACSignal *)backwardTruncateFile:(NSURL *)fileURL {
-	return [RACSignal defer:^{
-		static const NSInteger MAX_LENGTH = 1024 * 1024 * 8;
-
-		NSError *error;
-		NSFileHandle *handle = [NSFileHandle fileHandleForWritingToURL:fileURL error:&error];
-		if (handle == nil) return [RACSignal error:error];
-
-		unsigned long long fileLength = [handle seekToEndOfFile];
-		if (fileLength <= MAX_LENGTH) return [RACSignal empty];
-
-		[handle seekToFileOffset:fileLength - MAX_LENGTH];
-		NSData *mostRecentData = [handle readDataToEndOfFile];
-		[handle truncateFileAtOffset:0];
-		[handle writeData:mostRecentData];
-
-		return [RACSignal empty];
-	}];
-}
-
- (RACSignal *)truncateLogs {
-	return [[RACSignal
-		defer:^{
-			SQRLDirectoryManager *directoryManager = [[SQRLDirectoryManager alloc] initWithApplicationIdentifier:SQRLShipItLauncher.shipItJobLabel];
-			return [RACSignal zip:@[ [directoryManager shipItStdoutURL], [directoryManager shipItStderrURL] ]];
-		}]
-		reduceEach:^(NSURL *stdoutURL, NSURL *stderrURL) {
-			return [RACSignal merge:@[ [self backwardTruncateFile:stdoutURL], [self backwardTruncateFile:stderrURL] ]];
-		}];
+	SQRLDirectoryManager *directoryManager = [[SQRLDirectoryManager alloc] initWithApplicationIdentifier:SQRLShipItConnection.shipItJobLabel];
+	return directoryManager.shipItStateURL;
 }

 #pragma mark Installing Updates
@@ -642,30 +522,32 @@ static NSString * const SQRLUpdaterUniqueTemporaryDirectoryPrefix = @"update.";
 	return [[[[RACSignal
 		defer:^{
 			NSRunningApplication *currentApplication = NSRunningApplication.currentApplication;
-			NSBundle *appBundle = [NSBundle bundleWithURL:currentApplication.bundleURL];
-			// Only use the update bundle's name if the user hasn't renamed the
-			// app themselves.
-			BOOL useUpdateBundleName = [appBundle.sqrl_executableName isEqual:currentApplication.bundleURL.lastPathComponent.stringByDeletingPathExtension];
+			SQRLShipItRequest *request = [[SQRLShipItRequest alloc] initWithUpdateBundleURL:update.bundle.bundleURL targetBundleURL:currentApplication.bundleURL bundleIdentifier:currentApplication.bundleIdentifier launchAfterInstallation:NO];

-			SQRLShipItRequest *request = [[SQRLShipItRequest alloc] initWithUpdateBundleURL:update.bundle.bundleURL targetBundleURL:currentApplication.bundleURL bundleIdentifier:currentApplication.bundleIdentifier launchAfterInstallation:NO useUpdateBundleName:useUpdateBundleName];
-			return [request writeUsingURL:self.shipItStateURL];
+			return [[self.shipItStateURL
+				flattenMap:^(NSURL *location) {
+					return [request writeToURL:location];
+				}]
+				concat:[RACSignal return:request]];
 		}]
-		then:^{
-			return self.shipItLauncher;
+		flattenMap:^(SQRLShipItRequest *request) {
+			return [self.shipItLauncher execute:request];
 		}]
 		sqrl_addTransactionWithName:NSLocalizedString(@"Preparing update", nil) description:NSLocalizedString(@"An update for %@ is being prepared. Interrupting the process could corrupt the application.", nil), NSRunningApplication.currentApplication.bundleIdentifier]
 		setNameWithFormat:@"%@ -prepareUpdateForInstallation: %@", self, update];
 }

 - (RACSignal *)relaunchToInstallUpdate {
-	return [[[[[[[[SQRLShipItRequest
-		readUsingURL:self.shipItStateURL]
-		map:^(SQRLShipItRequest *request) {
-			return [[SQRLShipItRequest alloc] initWithUpdateBundleURL:request.updateBundleURL targetBundleURL:request.targetBundleURL bundleIdentifier:request.bundleIdentifier launchAfterInstallation:YES useUpdateBundleName:request.useUpdateBundleName];
-		}]
-		flattenMap:^(SQRLShipItRequest *request) {
-			return [[request
-				writeUsingURL:self.shipItStateURL]
+	return [[[[[[self.shipItStateURL
+		flattenMap:^(NSURL *location) {
+			return [[[[SQRLShipItRequest
+				readFromURL:location]
+				map:^(SQRLShipItRequest *request) {
+					return [[SQRLShipItRequest alloc] initWithUpdateBundleURL:request.updateBundleURL targetBundleURL:request.targetBundleURL bundleIdentifier:request.bundleIdentifier launchAfterInstallation:YES];
+				}]
+				flattenMap:^(SQRLShipItRequest *request) {
+					return [request writeToURL:location];
+				}]
 				sqrl_addTransactionWithName:NSLocalizedString(@"Preparing to relaunch", nil) description:NSLocalizedString(@"%@ is preparing to relaunch to install an update. Interrupting the process could corrupt the application.", nil), NSRunningApplication.currentApplication.bundleIdentifier];
 		}]
 		deliverOn:RACScheduler.mainThreadScheduler]
@@ -1,162 +0,0 @@
-//
-//  main.m
-//  shipit
-//
-//  Created by Alan Rogers on 29/07/2013.
-//  Copyright (c) 2013 GitHub. All rights reserved.
-//
-
-#import <Foundation/Foundation.h>
-
-#import "EXTScope.h"
-#import <ReactiveCocoa/RACCommand.h>
-#import <ReactiveCocoa/RACSignal+Operations.h>
-#import <ReactiveCocoa/RACScheduler.h>
-
-#import "NSError+SQRLVerbosityExtensions.h"
-#import "RACSignal+SQRLTransactionExtensions.h"
-#import "SQRLInstaller.h"
-#import "SQRLInstaller+Private.h"
-#import "SQRLTerminationListener.h"
-#import "SQRLShipItRequest.h"
-
-// The maximum number of times ShipIt should run the same installation state, in
-// an attempt to update.
-//
-// If ShipIt is launched in the same state more than this number of times,
-// updating will abort.
-static const NSUInteger SQRLShipItMaximumInstallationAttempts = 3;
-
-// The domain for errors generated here.
-static NSString * const SQRLShipItErrorDomain = @"SQRLShipItErrorDomain";
-
-static NSUInteger installationAttempts(NSString *applicationIdentifier) {
-	return CFPreferencesGetAppIntegerValue((__bridge CFStringRef)SQRLShipItInstallationAttemptsKey, (__bridge CFStringRef)applicationIdentifier, NULL);
-}
-
-static BOOL setInstallationAttempts(NSString *applicationIdentifier, NSUInteger attempts) {
-	CFPreferencesSetValue((__bridge CFStringRef)SQRLShipItInstallationAttemptsKey, (__bridge CFPropertyListRef)@(attempts), (__bridge CFStringRef)applicationIdentifier, kCFPreferencesCurrentUser, kCFPreferencesCurrentHost);
-	return CFPreferencesSynchronize((__bridge CFStringRef)applicationIdentifier, kCFPreferencesCurrentUser, kCFPreferencesCurrentHost);
-}
-
-static BOOL clearInstallationAttempts(NSString *applicationIdentifier) {
-	CFPreferencesSetValue((__bridge CFStringRef)SQRLShipItInstallationAttemptsKey, NULL, (__bridge CFStringRef)applicationIdentifier, kCFPreferencesCurrentUser, kCFPreferencesCurrentHost);
-	return CFPreferencesSynchronize((__bridge CFStringRef)applicationIdentifier, kCFPreferencesCurrentUser, kCFPreferencesCurrentHost);
-}
-
-// Waits for all instances of the target application (as described in the
-// `request`) to exit, then sends completed.
-static RACSignal *waitForTerminationIfNecessary(SQRLShipItRequest *request) {
-	return [[RACSignal
-		defer:^{
-			if (request.bundleIdentifier == nil) return [RACSignal empty];
-
-			SQRLTerminationListener *listener = [[SQRLTerminationListener alloc] initWithURL:request.targetBundleURL bundleIdentifier:request.bundleIdentifier];
-			return [listener waitForTermination];
-		}]
-		setNameWithFormat:@"waitForTerminationIfNecessary"];
-}
-
-static void installRequest(RACSignal *readRequestSignal, NSString *applicationIdentifier) {
-	[[[[[readRequestSignal
-		flattenMap:^(SQRLShipItRequest *request) {
-			return waitForTerminationIfNecessary(request);
-		}]
-		ignoreValues]
-		concat:readRequestSignal]
-		flattenMap:^(SQRLShipItRequest *request) {
-			SQRLInstaller *installer = [[SQRLInstaller alloc] initWithApplicationIdentifier:applicationIdentifier];
-
-			NSUInteger attempt = installationAttempts(applicationIdentifier) + 1;
-			setInstallationAttempts(applicationIdentifier, attempt);
-
-			RACSignal *action;
-			if (attempt > SQRLShipItMaximumInstallationAttempts) {
-				action = [[[[installer.abortInstallationCommand
-					execute:request]
-					initially:^{
-						NSLog(@"Too many attempts to install, aborting update");
-					}]
-					catch:^(NSError *error) {
-						NSLog(@"Error aborting installation: %@", error);
-
-						// Exit successfully so launchd doesn't restart us
-						// again.
-						return [RACSignal empty];
-					}]
-					concat:[RACSignal return:request]];
-			} else {
-				action = [[[[installer.installUpdateCommand
-					execute:request]
-					initially:^{
-						BOOL freshInstall = (attempt == 1);
-						if (freshInstall) {
-							NSLog(@"Beginning installation");
-						} else {
-							NSLog(@"Resuming installation attempt %i", (int)attempt);
-						}
-					}]
-					doCompleted:^{
-						NSLog(@"Installation completed successfully");
-					}]
-					sqrl_addTransactionWithName:NSLocalizedString(@"Updating", nil) description:NSLocalizedString(@"%@ is being updated, and interrupting the process could corrupt the application", nil), request.targetBundleURL.path];
-			}
-
-			// Clear the installation attempts for a successful abort or
-			// install.
-			action = [action doCompleted:^{
-				clearInstallationAttempts(applicationIdentifier);
-			}];
-
-			if (request.launchAfterInstallation) {
-				// Launch regardless of whether installation succeeds or fails.
-				action = [[action
-					deliverOn:RACScheduler.mainThreadScheduler]
-					doNext:^(SQRLShipItRequest *finalRequest) {
-						NSURL *bundleURL = finalRequest.targetBundleURL;
-						if (bundleURL == nil) {
-							NSLog(@"Missing target bundle URL, cannot launch application");
-							return;
-						}
-
-						NSError *error;
-						if (![NSWorkspace.sharedWorkspace launchApplicationAtURL:bundleURL options:NSWorkspaceLaunchDefault configuration:@{} error:&error]) {
-							NSLog(@"Could not launch application at %@: %@", bundleURL, error);
-							return;
-						}
-
-						NSLog(@"Application launched at %@", bundleURL);
-					}];
-			}
-
-			return action;
-		}]
-		subscribeError:^(NSError *error) {
-			NSLog(@"Installation error: %@", error);
-			exit(EXIT_FAILURE);
-		} completed:^{
-			exit(EXIT_SUCCESS);
-		}];
-}
-
-int main(int argc, const char * argv[]) {
-	@autoreleasepool {
-		atexit_b(^{
-			NSLog(@"ShipIt quitting");
-		});
-
-		if (argc < 3) {
-			NSLog(@"Missing launchd job label or state path for ShipIt");
-			return EXIT_FAILURE;
-		}
-
-		char const *jobLabel = argv[1];
-		const char *statePath = argv[2];
-		NSURL *shipItStateURL = [NSURL fileURLWithPath:@(statePath)];
-		installRequest([SQRLShipItRequest readUsingURL:[RACSignal return:shipItStateURL]], @(jobLabel));
-
-		dispatch_main();
-	}
-
-	return EXIT_SUCCESS;
-}
@@ -0,0 +1,170 @@
+//
+//  main.m
+//  shipit
+//
+//  Created by Alan Rogers on 29/07/2013.
+//  Copyright (c) 2013 GitHub. All rights reserved.
+//
+
+#import <Foundation/Foundation.h>
+#import <ReactiveCocoa/EXTScope.h>
+#import <ReactiveCocoa/ReactiveCocoa.h>
+#import "NSError+SQRLVerbosityExtensions.h"
+#import "RACSignal+SQRLTransactionExtensions.h"
+#import "SQRLDirectoryManager.h"
+#import "SQRLInstaller.h"
+#import "SQRLInstaller+Private.h"
+#import "SQRLShipItRequest.h"
+
+// The domain for errors generated here.
+static NSString * const SQRLShipItErrorDomain = @"SQRLShipItErrorDomain";
+
+typedef NS_ENUM(NSInteger, SQRLShipItError) {
+	SQRLShipItErrorUnknownAction,
+	SQRLShipItErrorMissingRequestData,
+};
+
+static void reply(xpc_object_t response) {
+	xpc_connection_t connection = xpc_dictionary_get_remote_connection(response);
+	xpc_connection_send_message(connection, response);
+}
+
+static void replyWithError(xpc_object_t response, NSError *error) {
+	xpc_dictionary_set_bool(response, "success", false);
+
+	if (error != nil) {
+		xpc_object_t errorDictionary = xpc_dictionary_create(NULL, NULL, 0);
+		xpc_dictionary_set_string(errorDictionary, "domain", error.domain.UTF8String);
+		xpc_dictionary_set_int64(errorDictionary, "code", error.code);
+		xpc_dictionary_set_string(errorDictionary, "description", error.localizedDescription.UTF8String);
+		xpc_dictionary_set_string(errorDictionary, "failureReason", error.localizedFailureReason.UTF8String);
+		xpc_dictionary_set_string(errorDictionary, "recoverySuggestion", error.localizedRecoverySuggestion.UTF8String);
+		xpc_dictionary_set_value(response, "error", errorDictionary);
+		xpc_release(errorDictionary);
+	}
+
+	reply(response);
+}
+
+static void replyWithSuccess(xpc_object_t response) {
+	xpc_dictionary_set_bool(response, "success", true);
+	reply(response);
+}
+
+// Client requests from peer connections.
+//
+// applicationIdentifier - Current process reverse DNS identifier.
+// request               - XPC dictionary request object.
+//
+// Returns nothing.
+static void handleRequest(NSString *applicationIdentifier, xpc_object_t request) {
+	xpc_object_t response = xpc_dictionary_create_reply(request);
+
+	SQRLInstaller *installer = [[SQRLInstaller alloc] initWithApplicationIdentifier:applicationIdentifier];
+
+	char const *action = xpc_dictionary_get_string(request, "action");
+	if (strcmp(action, "install") != 0) {
+		NSDictionary *errorInfo = @{
+			NSLocalizedDescriptionKey: [NSString stringWithFormat:@"Cannot process \"%s\" requests", action],
+		};
+		replyWithError(response, [NSError errorWithDomain:SQRLShipItErrorDomain code:SQRLShipItErrorUnknownAction userInfo:errorInfo]);
+		return;
+	}
+
+	size_t length;
+	void const *requestBytes = xpc_dictionary_get_data(request, "request", &length);
+	if (requestBytes == NULL) {
+		NSDictionary *errorInfo = @{
+			NSLocalizedDescriptionKey: [NSString stringWithFormat:@"Cannot process \"%s\" requests without \"request\" data", action],
+		};
+		replyWithError(response, [NSError errorWithDomain:SQRLShipItErrorDomain code:SQRLShipItErrorUnknownAction userInfo:errorInfo]);
+		return;
+	}
+
+	[[[SQRLShipItRequest
+		readFromData:[NSData dataWithBytes:requestBytes length:length] ]
+		flattenMap:^(SQRLShipItRequest *request) {
+			return [[installer.installUpdateCommand
+				execute:request]
+				catch:^(NSError *error) {
+					return [[[installer.abortInstallationCommand
+						execute:nil]
+						doCompleted:^{
+							NSLog(@"Abort completed successfully");
+						}]
+						concat:[RACSignal error:error]];
+					}];
+		}]
+		subscribeError:^(NSError *error){
+			NSLog(@"Installation failed with error: %@ %@", error, error.userInfo);
+			replyWithError(response, error);
+		} completed:^{
+			NSLog(@"Installation completed successfully");
+			replyWithSuccess(response);
+		}];
+}
+
+// Peer connections from the listener connection.
+//
+// applicationIdentifier - Current process reverse DNS identifier.
+// newConnection         - The newly accepted connection from the listener.
+//
+// Returns nothing.
+static void handleConnection(NSString *applicationIdentifier, xpc_connection_t newConnection) {
+	xpc_connection_set_event_handler(newConnection, ^(xpc_object_t object) {
+		xpc_type_t type = xpc_get_type(object);
+		if (type == XPC_TYPE_ERROR) {
+			char *description = xpc_copy_description(object);
+			NSLog(@"XPC peer error: %s", description);
+			free(description);
+			return;
+		}
+
+		if (type != XPC_TYPE_DICTIONARY) {
+			NSLog(@"XPC peer expected dictionary");
+			return;
+		}
+
+		handleRequest(applicationIdentifier, object);
+	});
+	xpc_connection_resume(newConnection);
+}
+
+// Listens for XPC messages from clients.
+//
+// Arguments are expected in the following order:
+//
+// jobLabel - The launchd job label for this task.
+//
+// Returns 0 on successful termination, non 0 otherwise.
+int main(int argc, const char * argv[]) {
+	@autoreleasepool {
+		atexit_b(^{
+			NSLog(@"ShipIt quitting");
+		});
+
+		if (argc < 2) {
+			NSLog(@"Missing launchd job label for ShipIt");
+			return EXIT_FAILURE;
+		}
+		char const *jobLabel = argv[1];
+		NSString *applicationIdentifier = @(jobLabel);
+
+		xpc_connection_t server = xpc_connection_create_mach_service(jobLabel, NULL, XPC_CONNECTION_MACH_SERVICE_LISTENER);
+		xpc_connection_set_event_handler(server, ^(xpc_object_t object) {
+			xpc_type_t type = xpc_get_type(object);
+			if (type == XPC_TYPE_ERROR) {
+				char *description = xpc_copy_description(object);
+				NSLog(@"XPC listener error: %s", description);
+				free(description);
+			} else if (type == XPC_TYPE_CONNECTION) {
+				handleConnection(applicationIdentifier, object);
+			}
+		});
+		xpc_connection_resume(server);
+
+		dispatch_main();
+	}
+
+	return EXIT_SUCCESS;
+}
@@ -9,7 +9,7 @@
 	<key>CFBundleIconFile</key>
 	<string></string>
 	<key>CFBundleIdentifier</key>
-	<string>$(PRODUCT_BUNDLE_IDENTIFIER)</string>
+	<string>com.github.${PRODUCT_NAME:rfc1034identifier}</string>
 	<key>CFBundleInfoDictionaryVersion</key>
 	<string>6.0</string>
 	<key>CFBundleName</key>
@@ -0,0 +1,8 @@
+//
+// Prefix header for all source files of the 'Squirrel' target in the 'Squirrel' project
+//
+
+#ifdef __OBJC__
+	#import <Cocoa/Cocoa.h>
+    #import <SystemConfiguration/SystemConfiguration.h>
+#endif
@@ -6,14 +6,6 @@
 //  Copyright (c) 2013 GitHub. All rights reserved.
 //

-#import <Foundation/Foundation.h>
-
-//! Project version number for Squirrel.
-FOUNDATION_EXPORT double SquirrelVersionNumber;
-
-//! Project version string for Squirrel.
-FOUNDATION_EXPORT const unsigned char SquirrelVersionString[];
-
 #import <Squirrel/NSBundle+SQRLVersionExtensions.h>
 #import <Squirrel/NSProcessInfo+SQRLVersionExtensions.h>
 #import <Squirrel/SQRLDownloadedUpdate.h>
@@ -0,0 +1,2 @@
+/* Localized versions of Info.plist keys */
+
@@ -6,35 +6,30 @@
 //  Copyright (c) 2013 GitHub. All rights reserved.
 //

-#import <Nimble/Nimble.h>
-#import <Quick/Quick.h>
-#import <ReactiveCocoa/ReactiveCocoa.h>
-#import <Squirrel/Squirrel.h>
-
-QuickSpecBegin(NSProcessInfoExtensions)
+SpecBegin(NSProcessInfoExtensions)

 describe(@"-sqrl_operatingSystemShortVersionString", ^{
 	__block NSString *versionString;

 	beforeEach(^{
 		versionString = NSProcessInfo.processInfo.sqrl_operatingSystemShortVersionString;
-		expect(versionString).notTo(beNil());
+		expect(versionString).notTo.beNil();
 	});

 	it(@"should follow major.minor.patch format", ^{
 		NSError *error = nil;
 		NSRegularExpression *regex = [NSRegularExpression regularExpressionWithPattern:@"^[0-9]+(\\.[0-9]+)*$" options:0 error:&error];
-		expect(regex).notTo(beNil());
-		expect(error).to(beNil());
+		expect(regex).notTo.beNil();
+		expect(error).to.beNil();

 		NSRange fullRange = NSMakeRange(0, versionString.length);
 		NSRange matchRange = [regex rangeOfFirstMatchInString:versionString options:0 range:fullRange];
-		expect(@(NSEqualRanges(matchRange, fullRange))).to(beTruthy());
+		expect(NSEqualRanges(matchRange, fullRange)).to.beTruthy();
 	});

 	it(@"should be numerically comparable", ^{
-		expect(@([@"10.6.9" compare:versionString options:NSNumericSearch])).to(equal(@(NSOrderedAscending)));
+		expect([@"10.6.9" compare:versionString options:NSNumericSearch]).to.equal(NSOrderedAscending);
 	});
 });

-QuickSpecEnd
+SpecEnd
@@ -6,16 +6,9 @@
 //  Copyright (c) 2013 GitHub. All rights reserved.
 //

-#import <Nimble/Nimble.h>
-#import <Quick/Quick.h>
-#import <ReactiveCocoa/ReactiveCocoa.h>
-#import <Squirrel/Squirrel.h>
-
 #import "SQRLCodeSignature.h"

-#import "QuickSpec+SQRLFixtures.h"
-
-QuickSpecBegin(SQRLCodeSignatureSpec)
+SpecBegin(SQRLCodeSignature)

 __block NSBundle *bundle;
 __block void (^corruptURL)(NSURL *URL);
@@ -24,26 +17,26 @@ beforeEach(^{
 	bundle = self.testApplicationBundle;

 	corruptURL = ^(NSURL *URL) {
-		expect(@([@"this bundle is corrupted, yo" writeToURL:bundle.executableURL atomically:YES encoding:NSUTF8StringEncoding error:NULL])).to(beTruthy());
+		expect([@"this bundle is corrupted, yo" writeToURL:bundle.executableURL atomically:YES encoding:NSUTF8StringEncoding error:NULL]).to.beTruthy();
 	};
 });

 it(@"should verify a valid bundle", ^{
 	NSError *error = nil;
 	BOOL success = [[self.testApplicationSignature verifyBundleAtURL:bundle.bundleURL] waitUntilCompleted:&error];
-	expect(@(success)).to(beTruthy());
-	expect(error).to(beNil());
+	expect(success).to.beTruthy();
+	expect(error).to.beNil();
 });

 it(@"should fail to verify with different code signing requirements", ^{
 	NSError *error = nil;
 	SQRLCodeSignature *signature = [SQRLCodeSignature currentApplicationSignature:&error];
-	expect(signature).notTo(beNil());
-	expect(error).to(beNil());
+	expect(signature).notTo.beNil();
+	expect(error).to.beNil();

 	BOOL success = [[signature verifyBundleAtURL:bundle.bundleURL] waitUntilCompleted:&error];
-	expect(@(success)).to(beFalsy());
-	expect(error).notTo(beNil());
+	expect(success).to.beFalsy();
+	expect(error).notTo.beNil();
 });

 describe(@"code signature changes", ^{
@@ -54,15 +47,15 @@ describe(@"code signature changes", ^{
 	});

 	it(@"should fail to verify a bundle with a missing code signature", ^{
-		expect(@([NSFileManager.defaultManager removeItemAtURL:codeSignatureURL error:NULL])).to(beTruthy());
+		expect([NSFileManager.defaultManager removeItemAtURL:codeSignatureURL error:NULL]).to.beTruthy();

 		NSError *error = nil;
 		BOOL success = [[self.testApplicationSignature verifyBundleAtURL:bundle.bundleURL] waitUntilCompleted:&error];
-		expect(@(success)).to(beFalsy());
+		expect(success).to.beFalsy();

-		expect(error).notTo(beNil());
-		expect(error.domain).to(equal(SQRLCodeSignatureErrorDomain));
-		expect(@(error.code)).to(equal(@(SQRLCodeSignatureErrorDidNotPass)));
+		expect(error).notTo.beNil();
+		expect(error.domain).to.equal(SQRLCodeSignatureErrorDomain);
+		expect(error.code).to.equal(SQRLCodeSignatureErrorDidNotPass);
 	});

 	it(@"should fail to verify a bundle with a corrupt code signature", ^{
@@ -70,25 +63,25 @@ describe(@"code signature changes", ^{

 		NSError *error = nil;
 		BOOL success = [[self.testApplicationSignature verifyBundleAtURL:bundle.bundleURL] waitUntilCompleted:&error];
-		expect(@(success)).to(beFalsy());
+		expect(success).to.beFalsy();

-		expect(error).notTo(beNil());
-		expect(error.domain).to(equal(SQRLCodeSignatureErrorDomain));
-		expect(@(error.code)).to(equal(@(SQRLCodeSignatureErrorDidNotPass)));
+		expect(error).notTo.beNil();
+		expect(error.domain).to.equal(SQRLCodeSignatureErrorDomain);
+		expect(error.code).to.equal(SQRLCodeSignatureErrorDidNotPass);
 	});
 });

 describe(@"main executable changes", ^{
 	it(@"should fail to verify a bundle with a missing executable", ^{
-		expect(@([NSFileManager.defaultManager removeItemAtURL:bundle.executableURL error:NULL])).to(beTruthy());
+		expect([NSFileManager.defaultManager removeItemAtURL:bundle.executableURL error:NULL]).to.beTruthy();

 		NSError *error = nil;
 		BOOL success = [[self.testApplicationSignature verifyBundleAtURL:bundle.bundleURL] waitUntilCompleted:&error];
-		expect(@(success)).to(beFalsy());
+		expect(success).to.beFalsy();

-		expect(error).notTo(beNil());
-		expect(error.domain).to(equal(SQRLCodeSignatureErrorDomain));
-		expect(@(error.code)).to(equal(@(SQRLCodeSignatureErrorDidNotPass)));
+		expect(error).notTo.beNil();
+		expect(error.domain).to.equal(SQRLCodeSignatureErrorDomain);
+		expect(error.code).to.equal(SQRLCodeSignatureErrorCouldNotCreateStaticCode);
 	});

 	it(@"should fail to verify a bundle with a corrupt executable", ^{
@@ -96,11 +89,11 @@ describe(@"main executable changes", ^{

 		NSError *error = nil;
 		BOOL success = [[self.testApplicationSignature verifyBundleAtURL:bundle.bundleURL] waitUntilCompleted:&error];
-		expect(@(success)).to(beFalsy());
+		expect(success).to.beFalsy();

-		expect(error).notTo(beNil());
-		expect(error.domain).to(equal(SQRLCodeSignatureErrorDomain));
-		expect(@(error.code)).to(equal(@(SQRLCodeSignatureErrorDidNotPass)));
+		expect(error).notTo.beNil();
+		expect(error.domain).to.equal(SQRLCodeSignatureErrorDomain);
+		expect(error.code).to.equal(SQRLCodeSignatureErrorDidNotPass);
 	});
 });

@@ -109,19 +102,19 @@ describe(@"helper executable changes", ^{

 	beforeEach(^{
 		helperURL = [bundle URLForAuxiliaryExecutable:@"unused-helper"];
-		expect(helperURL).notTo(beNil());
+		expect(helperURL).notTo.beNil();
 	});

 	it(@"should fail to verify a bundle with a missing helper", ^{
-		expect(@([NSFileManager.defaultManager removeItemAtURL:helperURL error:NULL])).to(beTruthy());
+		expect([NSFileManager.defaultManager removeItemAtURL:helperURL error:NULL]).to.beTruthy();

 		NSError *error = nil;
 		BOOL success = [[self.testApplicationSignature verifyBundleAtURL:bundle.bundleURL] waitUntilCompleted:&error];
-		expect(@(success)).to(beFalsy());
+		expect(success).to.beFalsy();

-		expect(error).notTo(beNil());
-		expect(error.domain).to(equal(SQRLCodeSignatureErrorDomain));
-		expect(@(error.code)).to(equal(@(SQRLCodeSignatureErrorDidNotPass)));
+		expect(error).notTo.beNil();
+		expect(error.domain).to.equal(SQRLCodeSignatureErrorDomain);
+		expect(error.code).to.equal(SQRLCodeSignatureErrorDidNotPass);
 	});

 	it(@"should fail to verify a bundle with a corrupt helper", ^{
@@ -129,11 +122,11 @@ describe(@"helper executable changes", ^{

 		NSError *error = nil;
 		BOOL success = [[self.testApplicationSignature verifyBundleAtURL:bundle.bundleURL] waitUntilCompleted:&error];
-		expect(@(success)).to(beFalsy());
+		expect(success).to.beFalsy();

-		expect(error).notTo(beNil());
-		expect(error.domain).to(equal(SQRLCodeSignatureErrorDomain));
-		expect(@(error.code)).to(equal(@(SQRLCodeSignatureErrorDidNotPass)));
+		expect(error).notTo.beNil();
+		expect(error.domain).to.equal(SQRLCodeSignatureErrorDomain);
+		expect(error.code).to.equal(SQRLCodeSignatureErrorDidNotPass);
 	});
 });

@@ -142,19 +135,19 @@ describe(@"resource changes", ^{

 	beforeEach(^{
 		resourceURL = [bundle URLForResource:@"MainMenu" withExtension:@"nib"];
-		expect(resourceURL).notTo(beNil());
+		expect(resourceURL).notTo.beNil();
 	});

 	it(@"should fail to verify a bundle with a missing resource", ^{
-		expect(@([NSFileManager.defaultManager removeItemAtURL:resourceURL error:NULL])).to(beTruthy());
+		expect([NSFileManager.defaultManager removeItemAtURL:resourceURL error:NULL]).to.beTruthy();

 		NSError *error = nil;
 		BOOL success = [[self.testApplicationSignature verifyBundleAtURL:bundle.bundleURL] waitUntilCompleted:&error];
-		expect(@(success)).to(beFalsy());
+		expect(success).to.beFalsy();

-		expect(error).notTo(beNil());
-		expect(error.domain).to(equal(SQRLCodeSignatureErrorDomain));
-		expect(@(error.code)).to(equal(@(SQRLCodeSignatureErrorDidNotPass)));
+		expect(error).notTo.beNil();
+		expect(error.domain).to.equal(SQRLCodeSignatureErrorDomain);
+		expect(error.code).to.equal(SQRLCodeSignatureErrorDidNotPass);
 	});

 	it(@"should fail to verify a bundle with a corrupt resource", ^{
@@ -162,11 +155,11 @@ describe(@"resource changes", ^{

 		NSError *error = nil;
 		BOOL success = [[self.testApplicationSignature verifyBundleAtURL:bundle.bundleURL] waitUntilCompleted:&error];
-		expect(@(success)).to(beFalsy());
+		expect(success).to.beFalsy();

-		expect(error).notTo(beNil());
-		expect(error.domain).to(equal(SQRLCodeSignatureErrorDomain));
-		expect(@(error.code)).to(equal(@(SQRLCodeSignatureErrorDidNotPass)));
+		expect(error).notTo.beNil();
+		expect(error.domain).to.equal(SQRLCodeSignatureErrorDomain);
+		expect(error.code).to.equal(SQRLCodeSignatureErrorDidNotPass);
 	});
 });

@@ -178,15 +171,15 @@ describe(@"framework changes", ^{
 	});

 	it(@"should fail to verify a bundle with a missing framework", ^{
-		expect(@([NSFileManager.defaultManager removeItemAtURL:frameworkURL error:NULL])).to(beTruthy());
+		expect([NSFileManager.defaultManager removeItemAtURL:frameworkURL error:NULL]).to.beTruthy();

 		NSError *error = nil;
 		BOOL success = [[self.testApplicationSignature verifyBundleAtURL:bundle.bundleURL] waitUntilCompleted:&error];
-		expect(@(success)).to(beFalsy());
+		expect(success).to.beFalsy();

-		expect(error).notTo(beNil());
-		expect(error.domain).to(equal(SQRLCodeSignatureErrorDomain));
-		expect(@(error.code)).to(equal(@(SQRLCodeSignatureErrorDidNotPass)));
+		expect(error).notTo.beNil();
+		expect(error.domain).to.equal(SQRLCodeSignatureErrorDomain);
+		expect(error.code).to.equal(SQRLCodeSignatureErrorDidNotPass);
 	});

 	it(@"should fail to verify a bundle with a corrupt framework", ^{
@@ -194,12 +187,12 @@ describe(@"framework changes", ^{

 		NSError *error = nil;
 		BOOL success = [[self.testApplicationSignature verifyBundleAtURL:bundle.bundleURL] waitUntilCompleted:&error];
-		expect(@(success)).to(beFalsy());
+		expect(success).to.beFalsy();

-		expect(error).notTo(beNil());
-		expect(error.domain).to(equal(SQRLCodeSignatureErrorDomain));
-		expect(@(error.code)).to(equal(@(SQRLCodeSignatureErrorDidNotPass)));
+		expect(error).notTo.beNil();
+		expect(error.domain).to.equal(SQRLCodeSignatureErrorDomain);
+		expect(error.code).to.equal(SQRLCodeSignatureErrorDidNotPass);
 	});
 });

-QuickSpecEnd
+SpecEnd
@@ -0,0 +1,119 @@
+//
+//  SQRLDeepCodesignSpec.m
+//  Squirrel
+//
+//  Created by Keith Duncan on 2013-09-05.
+//  Copyright (c) 2013 GitHub. All rights reserved.
+//
+
+SpecBegin(SQRLDeepCodesign)
+
+NSMutableDictionary * (^environmentSuitableForChildProcess)(void) = ^ {
+	// Remove environment variables that configure the Obj-C runtime
+	// Specifically OBJC_DISABLE_GC so that child processes aren't forced to
+	// adopt the GC preference of the test suite
+	NSMutableDictionary *environment = [NSProcessInfo.processInfo.environment mutableCopy];
+	NSSet *objcEnvironmentVariables = [environment keysOfEntriesPassingTest:^(NSString *variable, id obj, BOOL *stop) {
+		return [variable hasPrefix:@"OBJC"];
+	}];
+	[environment removeObjectsForKeys:objcEnvironmentVariables.allObjects];
+	return environment;
+};
+
+NSTask * (^codesignTaskWithArguments)(NSArray *) = ^ (NSArray *arguments) {
+	NSTask *task = [[NSTask alloc] init];
+	task.launchPath = @"/usr/bin/xcrun";
+	task.arguments = [@[ @"codesign" ] arrayByAddingObjectsFromArray:arguments];
+	task.environment = environmentSuitableForChildProcess();
+	return task;
+};
+
+void (^resignTestApplicationPreserveEverythingButTheRequirements)(void) = ^{
+	NSURL *testApplicationLocation = self.testApplicationURL;
+
+	NSTask *resignCodesignTask = codesignTaskWithArguments(@[
+		@"--sign", @"-",
+		@"--force",
+		@"--verbose=4",
+		@"--preserve-metadata=identifier,entitlements,resource-rules",
+		testApplicationLocation.path,
+	]);
+
+	[resignCodesignTask launch];
+	[resignCodesignTask waitUntilExit];
+
+	expect(resignCodesignTask.terminationStatus).to.equal(0);
+};
+
+void (^deepCodesignTestApplication)(void) = ^{
+	NSURL *testApplicationLocation = self.testApplicationURL;
+
+	NSBundle *testsBundle = [NSBundle bundleForClass:self.class];
+	NSURL *deepCodesignLocation = [testsBundle URLForResource:@"deep-codesign" withExtension:nil];
+
+	NSNumber *executable = nil;
+	NSError *executableError = nil;
+	BOOL getExecutable = [deepCodesignLocation getResourceValue:&executable forKey:NSURLIsExecutableKey error:&executableError];
+	expect(getExecutable).to.beTruthy();
+	expect(executable.boolValue).to.beTruthy();
+	expect(executableError).to.beNil();
+
+	NSTask *deepCodesignTask = [[NSTask alloc] init];
+	deepCodesignTask.launchPath = deepCodesignLocation.path;
+	deepCodesignTask.standardError = [NSPipe pipe];
+	deepCodesignTask.standardOutput = [NSPipe pipe];
+
+	NSMutableDictionary *environment = environmentSuitableForChildProcess();
+	[environment addEntriesFromDictionary:@{
+		@"CODE_SIGN_IDENTITY": @"-",
+		@"CONFIGURATION_BUILD_DIR": testApplicationLocation.URLByDeletingLastPathComponent.path,
+		@"FULL_PRODUCT_NAME": testApplicationLocation.lastPathComponent,
+	}];
+
+	deepCodesignTask.environment = environment;
+
+	[deepCodesignTask launch];
+	[deepCodesignTask waitUntilExit];
+
+	expect(deepCodesignTask.terminationStatus).to.equal(0);
+
+	/*
+		By signing test application's contents, which are covered by test
+		application's ResourceRules it's signature becomes invalid. Usually,
+		Xcode would sign the application after deep-codesign has run so the
+		signature would include the _signed_ child resources which are covered
+		by test application's ResourceRules
+
+		test application is already signed, so we need to manually resign it
+
+		deep-codesign preserves the requirements, we can't use it to resign the
+		root target, the new signing identity wouldn't verify against the
+		original designated requirement
+	 */
+	resignTestApplicationPreserveEverythingButTheRequirements();
+};
+
+BOOL (^deepVerify)(void) = ^ BOOL {
+	NSTask *deepVerifyTask = codesignTaskWithArguments(@[
+		@"--deep-verify",
+		@"--verbose=4",
+		self.testApplicationURL.path
+	]);
+
+	[deepVerifyTask launch];
+	[deepVerifyTask waitUntilExit];
+
+	return deepVerifyTask.terminationStatus == 0;
+};
+
+it(@"should deep sign the test application", ^{
+	deepCodesignTestApplication();
+});
+
+xit(@"should deep verify after signing", ^{
+	expect(deepVerify()).to.beFalsy();
+	deepCodesignTestApplication();
+	expect(deepVerify()).to.beTruthy();
+});
+
+SpecEnd
@@ -6,44 +6,39 @@
 //  Copyright (c) 2013 GitHub. All rights reserved.
 //

-#import <Nimble/Nimble.h>
-#import <Quick/Quick.h>
-#import <ReactiveCocoa/ReactiveCocoa.h>
-#import <Squirrel/Squirrel.h>
-
 #import "SQRLDirectoryManager.h"

-QuickSpecBegin(SQRLDirectoryManagerSpec)
+SpecBegin(SQRLDirectoryManager)

 __block NSString *otestIdentifier;

 beforeEach(^{
-	otestIdentifier = NSProcessInfo.processInfo.environment[@"FORCE_APP_IDENTIFIER"];
-	expect(otestIdentifier).notTo(beNil());
+	otestIdentifier = NSRunningApplication.currentApplication.localizedName;
+	expect(otestIdentifier).notTo.beNil();
 });

 it(@"should initialize", ^{
 	SQRLDirectoryManager *manager = [[SQRLDirectoryManager alloc] initWithApplicationIdentifier:otestIdentifier];
-	expect(manager).notTo(beNil());
+	expect(manager).notTo.beNil();
 });

 it(@"should create a manager for the current app", ^{
 	SQRLDirectoryManager *manager = SQRLDirectoryManager.currentApplicationManager;
-	expect(manager).notTo(beNil());
-	expect(manager).to(equal([[SQRLDirectoryManager alloc] initWithApplicationIdentifier:otestIdentifier]));
+	expect(manager).notTo.beNil();
+	expect(manager).to.equal([[SQRLDirectoryManager alloc] initWithApplicationIdentifier:otestIdentifier]);
 });

 it(@"should send an Application Support URL", ^{
 	SQRLDirectoryManager *manager = SQRLDirectoryManager.currentApplicationManager;

 	NSError *error = nil;
-	NSURL *appSupportURL = [[manager storageURL] firstOrDefault:nil success:NULL error:&error];
-	expect(appSupportURL).notTo(beNil());
-	expect(error).to(beNil());
+	NSURL *appSupportURL = [[manager applicationSupportURL] firstOrDefault:nil success:NULL error:&error];
+	expect(appSupportURL).notTo.beNil();
+	expect(error).to.beNil();

 	__block BOOL directory = NO;
-	expect(@([NSFileManager.defaultManager fileExistsAtPath:appSupportURL.path isDirectory:&directory])).to(beTruthy());
-	expect(@(directory)).to(beTruthy());
+	expect([NSFileManager.defaultManager fileExistsAtPath:appSupportURL.path isDirectory:&directory]).to.beTruthy();
+	expect(directory).to.beTruthy();
 });

 it(@"should send a ShipIt state URL", ^{
@@ -51,8 +46,8 @@ it(@"should send a ShipIt state URL", ^{

 	NSError *error = nil;
 	NSURL *stateURL = [[manager shipItStateURL] firstOrDefault:nil success:NULL error:&error];
-	expect(stateURL).notTo(beNil());
-	expect(error).to(beNil());
+	expect(stateURL).notTo.beNil();
+	expect(error).to.beNil();
 });

-QuickSpecEnd
+SpecEnd
@@ -6,29 +6,24 @@
 //  Copyright (c) 2013 GitHub. All rights reserved.
 //

-#import <Nimble/Nimble.h>
-#import <Quick/Quick.h>
-#import <ReactiveCocoa/ReactiveCocoa.h>
-#import <Squirrel/Squirrel.h>
-
 #import "SQRLCodeSignature.h"
 #import "SQRLDirectoryManager.h"
+#import "SQRLInstaller.h"
 #import "SQRLInstaller+Private.h"
-#import "SQRLInstallerOwnedBundle.h"
+#import "SQRLShipItConnection.h"
 #import "SQRLShipItRequest.h"
+#import "SQRLInstallerOwnedBundle.h"

-#import "QuickSpec+SQRLFixtures.h"
-
-QuickSpecBegin(SQRLInstallerSpec)
+SpecBegin(SQRLInstaller)

 mode_t (^modeOfURL)(NSURL *) = ^ mode_t (NSURL *fileURL) {
 	NSFileSecurity *fileSecurity = nil;
 	BOOL success = [fileURL getResourceValue:&fileSecurity forKey:NSURLFileSecurityKey error:NULL];
-	expect(@(success)).to(beTruthy());
-	expect(fileSecurity).notTo(beNil());
+	expect(success).to.beTruthy();
+	expect(fileSecurity).notTo.beNil();

 	__block mode_t mode;
-	expect(@(CFFileSecurityGetMode((__bridge CFFileSecurityRef)fileSecurity, &mode))).to(beTruthy());
+	expect(CFFileSecurityGetMode((__bridge CFFileSecurityRef)fileSecurity, &mode)).to.beTruthy();

 	return mode & (S_IRWXU | S_IRWXG | S_IRWXO);
 };
@@ -40,71 +35,75 @@ beforeEach(^{
 });

 it(@"should install an update using ShipIt", ^{
-	SQRLShipItRequest *request = [[SQRLShipItRequest alloc] initWithUpdateBundleURL:updateURL targetBundleURL:self.testApplicationURL bundleIdentifier:nil launchAfterInstallation:NO useUpdateBundleName:NO];
+	SQRLShipItRequest *request = [[SQRLShipItRequest alloc] initWithUpdateBundleURL:updateURL targetBundleURL:self.testApplicationURL bundleIdentifier:nil launchAfterInstallation:NO];

 	[self installWithRequest:request remote:YES];

-	expect(self.testApplicationBundleVersion).toEventually(equal(SQRLTestApplicationUpdatedShortVersionString));
+	expect(self.testApplicationBundleVersion).will.equal(SQRLTestApplicationUpdatedShortVersionString);
 });

 it(@"should install an update in process", ^{
-	SQRLShipItRequest *request = [[SQRLShipItRequest alloc] initWithUpdateBundleURL:updateURL targetBundleURL:self.testApplicationURL bundleIdentifier:nil launchAfterInstallation:NO useUpdateBundleName:NO];
+	SQRLShipItRequest *request = [[SQRLShipItRequest alloc] initWithUpdateBundleURL:updateURL targetBundleURL:self.testApplicationURL bundleIdentifier:nil launchAfterInstallation:NO];

 	[self installWithRequest:request remote:NO];

-	expect(self.testApplicationBundleVersion).toEventually(equal(SQRLTestApplicationUpdatedShortVersionString));
+	expect(self.testApplicationBundleVersion).will.equal(SQRLTestApplicationUpdatedShortVersionString);
 });

 it(@"should install an update and relaunch", ^{
 	NSString *bundleIdentifier = @"com.github.Squirrel.TestApplication";
 	NSArray *apps = [NSRunningApplication runningApplicationsWithBundleIdentifier:bundleIdentifier];
-	expect(@(apps.count)).to(equal(@0));
+	expect(apps.count).to.equal(0);

-	SQRLShipItRequest *request = [[SQRLShipItRequest alloc] initWithUpdateBundleURL:updateURL targetBundleURL:self.testApplicationURL bundleIdentifier:nil launchAfterInstallation:YES useUpdateBundleName:NO];
+	SQRLShipItRequest *request = [[SQRLShipItRequest alloc] initWithUpdateBundleURL:updateURL targetBundleURL:self.testApplicationURL bundleIdentifier:nil launchAfterInstallation:YES];

 	[self installWithRequest:request remote:YES];

-	expect(self.testApplicationBundleVersion).toEventually(equal(SQRLTestApplicationUpdatedShortVersionString));
-	expect(@([NSRunningApplication runningApplicationsWithBundleIdentifier:bundleIdentifier].count)).toEventually(equal(@1));
+	expect(self.testApplicationBundleVersion).will.equal(SQRLTestApplicationUpdatedShortVersionString);
+	expect([NSRunningApplication runningApplicationsWithBundleIdentifier:bundleIdentifier].count).will.equal(1);
 });

 it(@"should install an update from another volume", ^{
 	NSURL *diskImageURL = [self createAndMountDiskImageNamed:@"TestApplication 2.1" fromDirectory:updateURL.URLByDeletingLastPathComponent];
 	updateURL = [diskImageURL URLByAppendingPathComponent:updateURL.lastPathComponent];

-	SQRLShipItRequest *request = [[SQRLShipItRequest alloc] initWithUpdateBundleURL:updateURL targetBundleURL:self.testApplicationURL bundleIdentifier:nil launchAfterInstallation:NO useUpdateBundleName:NO];
+	SQRLShipItRequest *request = [[SQRLShipItRequest alloc] initWithUpdateBundleURL:updateURL targetBundleURL:self.testApplicationURL bundleIdentifier:nil launchAfterInstallation:NO];

 	[self installWithRequest:request remote:YES];

-	expect(self.testApplicationBundleVersion).toEventually(equal(SQRLTestApplicationUpdatedShortVersionString));
+	expect(self.testApplicationBundleVersion).will.equal(SQRLTestApplicationUpdatedShortVersionString);
 });

 it(@"should install an update to another volume", ^{
 	NSURL *diskImageURL = [self createAndMountDiskImageNamed:@"TestApplication" fromDirectory:self.testApplicationURL.URLByDeletingLastPathComponent];
 	NSURL *targetURL = [diskImageURL URLByAppendingPathComponent:self.testApplicationURL.lastPathComponent];

-	SQRLShipItRequest *request = [[SQRLShipItRequest alloc] initWithUpdateBundleURL:updateURL targetBundleURL:targetURL bundleIdentifier:nil launchAfterInstallation:NO useUpdateBundleName:NO];
+	SQRLShipItRequest *request = [[SQRLShipItRequest alloc] initWithUpdateBundleURL:updateURL targetBundleURL:targetURL bundleIdentifier:nil launchAfterInstallation:NO];

 	[self installWithRequest:request remote:YES];

 	NSURL *plistURL = [targetURL URLByAppendingPathComponent:@"Contents/Info.plist"];
-	expect([NSDictionary dictionaryWithContentsOfURL:plistURL][SQRLBundleShortVersionStringKey]).withTimeout(SQRLLongTimeout).toEventually(equal(SQRLTestApplicationUpdatedShortVersionString));
+	expect([NSDictionary dictionaryWithContentsOfURL:plistURL][SQRLBundleShortVersionStringKey]).will.equal(SQRLTestApplicationUpdatedShortVersionString);
 });

 describe(@"with backup restoration", ^{
 	__block NSURL *targetURL;

+	__block SQRLShipItRequest *request;
+
 	beforeEach(^{
 		targetURL = self.testApplicationURL;

+		request = [[SQRLShipItRequest alloc] initWithUpdateBundleURL:updateURL targetBundleURL:targetURL bundleIdentifier:nil launchAfterInstallation:NO];
+
 		NSURL *copiedTargetURL = [self.temporaryDirectoryURL URLByAppendingPathComponent:@"TestApplication Target.app"];
-		expect(@([NSFileManager.defaultManager moveItemAtURL:targetURL toURL:copiedTargetURL error:NULL])).to(beTruthy());
+		expect([NSFileManager.defaultManager moveItemAtURL:targetURL toURL:copiedTargetURL error:NULL]).to.beTruthy();

 		SQRLCodeSignature *codeSignature = self.testApplicationSignature;

 		SQRLInstallerOwnedBundle *ownedBundle = [[SQRLInstallerOwnedBundle alloc] initWithOriginalURL:targetURL temporaryURL:copiedTargetURL codeSignature:codeSignature];
 		NSData *ownedBundleArchive = [NSKeyedArchiver archivedDataWithRootObject:ownedBundle];
-		expect(ownedBundleArchive).notTo(beNil());
+		expect(ownedBundleArchive).notTo.beNil();

 		// Set up ShipIt's preferences like it paused in the middle of an
 		// installation.
@@ -114,71 +113,56 @@ describe(@"with backup restoration", ^{
 		CFPreferencesSetValue((__bridge CFStringRef)SQRLInstallerOwnedBundleKey, (__bridge CFDataRef)ownedBundleArchive, (__bridge CFStringRef)applicationIdentifier, kCFPreferencesCurrentUser, kCFPreferencesCurrentHost);

 		BOOL synchronized = CFPreferencesSynchronize((__bridge CFStringRef)applicationIdentifier, kCFPreferencesCurrentUser, kCFPreferencesCurrentHost);
-		expect(@(synchronized)).to(beTruthy());
+		expect(synchronized).to.beTruthy();
+	});
+
+	afterEach(^{
+		__block NSError *error;
+		expect([[self.testApplicationSignature verifyBundleAtURL:targetURL] waitUntilCompleted:&error]).will.beTruthy();
+		expect(error).to.beNil();
+
+		expect(self.testApplicationBundleVersion).to.equal(SQRLTestApplicationOriginalShortVersionString);
 	});

 	it(@"should not install an update after too many attempts", ^{
-		SQRLShipItRequest *request = [[SQRLShipItRequest alloc] initWithUpdateBundleURL:updateURL targetBundleURL:targetURL bundleIdentifier:nil launchAfterInstallation:NO useUpdateBundleName:NO];
 		[self installWithRequest:request remote:YES];
-
-		__block NSError *error;
-		expect(@([[self.testApplicationSignature verifyBundleAtURL:targetURL] waitUntilCompleted:&error])).toEventually(beTruthy());
-		expect(error).to(beNil());
-
-		expect(self.testApplicationBundleVersion).to(equal(SQRLTestApplicationOriginalShortVersionString));
 	});

 	it(@"should relaunch even after failing to install an update", ^{
-		SQRLShipItRequest *request = [[SQRLShipItRequest alloc] initWithUpdateBundleURL:updateURL targetBundleURL:targetURL bundleIdentifier:nil launchAfterInstallation:YES useUpdateBundleName:NO];
+		request = [[SQRLShipItRequest alloc] initWithUpdateBundleURL:updateURL targetBundleURL:targetURL bundleIdentifier:nil launchAfterInstallation:YES];
+
 		[self installWithRequest:request remote:YES];

-		expect(@([NSRunningApplication runningApplicationsWithBundleIdentifier:@"com.github.Squirrel.TestApplication"].count)).toEventually(equal(@1));
-
-		__block NSError *error;
-		expect(@([[self.testApplicationSignature verifyBundleAtURL:targetURL] waitUntilCompleted:&error])).to(beTruthy());
-		expect(error).to(beNil());
-
-		expect(self.testApplicationBundleVersion).to(equal(SQRLTestApplicationOriginalShortVersionString));
+		expect([NSRunningApplication runningApplicationsWithBundleIdentifier:@"com.github.Squirrel.TestApplication"].count).will.equal(1);
 	});
 });

 it(@"should disallow writing the updated application except by the owner", ^{
 	NSString *command = [NSString stringWithFormat:@"chmod -R 0777 '%@'", updateURL.path];
-	expect(@(system(command.UTF8String))).to(equal(@0));
+	expect(system(command.UTF8String)).to.equal(0);

-	expect(@(modeOfURL(updateURL))).to(equal(@0777));
-	expect(@(modeOfURL([updateURL URLByAppendingPathComponent:@"Contents/MacOS/TestApplication"]))).to(equal(@0777));
+	expect(modeOfURL(updateURL)).to.equal(0777);
+	expect(modeOfURL([updateURL URLByAppendingPathComponent:@"Contents/MacOS/TestApplication"])).to.equal(0777);

-	SQRLShipItRequest *request = [[SQRLShipItRequest alloc] initWithUpdateBundleURL:updateURL targetBundleURL:self.testApplicationURL bundleIdentifier:nil launchAfterInstallation:NO useUpdateBundleName:NO];
+	SQRLShipItRequest *request = [[SQRLShipItRequest alloc] initWithUpdateBundleURL:updateURL targetBundleURL:self.testApplicationURL bundleIdentifier:nil launchAfterInstallation:NO];

 	[self installWithRequest:request remote:YES];

-	expect(self.testApplicationBundleVersion).toEventually(equal(SQRLTestApplicationUpdatedShortVersionString));
+	expect(self.testApplicationBundleVersion).will.equal(SQRLTestApplicationUpdatedShortVersionString);

-	expect(@(modeOfURL(self.testApplicationURL))).to(equal(@0755));
-	expect(@(modeOfURL([self.testApplicationURL URLByAppendingPathComponent:@"Contents/MacOS/TestApplication"]))).to(equal(@0755));
+	expect(modeOfURL(self.testApplicationURL)).to.equal(0755);
+	expect(modeOfURL([self.testApplicationURL URLByAppendingPathComponent:@"Contents/MacOS/TestApplication"])).to.equal(0755);
 });

 describe(@"signal handling", ^{
 	__block NSURL *targetURL;

-	void (^verifyUpdate)(void) = ^{
-		// Wait up to the launchd throttle interval, then verify that ShipIt
-		// relaunched and finished installing the update.
-		expect(self.testApplicationBundleVersion).withTimeout(SQRLLongTimeout).toEventually(equal(SQRLTestApplicationUpdatedShortVersionString));
-
-		NSError *error;
-		BOOL success = [[self.testApplicationSignature verifyBundleAtURL:targetURL] waitUntilCompleted:&error];
-		expect(@(success)).to(beTruthy());
-		expect(error).to(beNil());
-	};
-
 	beforeEach(^{
 		// Copied so that we don't recreate the TestApplication bundle by
 		// accessing the property.
 		targetURL = self.testApplicationURL;

-		SQRLShipItRequest *request = [[SQRLShipItRequest alloc] initWithUpdateBundleURL:updateURL targetBundleURL:self.testApplicationURL bundleIdentifier:nil launchAfterInstallation:NO useUpdateBundleName:NO];
+		SQRLShipItRequest *request = [[SQRLShipItRequest alloc] initWithUpdateBundleURL:updateURL targetBundleURL:self.testApplicationURL bundleIdentifier:nil launchAfterInstallation:NO];

 		[self installWithRequest:request remote:YES];

@@ -188,24 +172,32 @@ describe(@"signal handling", ^{
 		[NSThread sleepForTimeInterval:delay];
 	});

+	afterEach(^{
+		// Wait up to the launchd throttle interval, then verify that ShipIt
+		// relaunched and finished installing the update.
+		Expecta.asynchronousTestTimeout = 5;
+		expect(self.testApplicationBundleVersion).will.equal(SQRLTestApplicationUpdatedShortVersionString);
+
+		NSError *error;
+		BOOL success = [[self.testApplicationSignature verifyBundleAtURL:targetURL] waitUntilCompleted:&error];
+		expect(success).to.beTruthy();
+		expect(error).to.beNil();
+	});
+
 	it(@"should handle SIGHUP", ^{
-		system("killall -HUP ShipIt");
-		verifyUpdate();
+		system("killall -HUP shipit-installer");
 	});

 	it(@"should handle SIGTERM", ^{
-		system("killall -TERM ShipIt");
-		verifyUpdate();
+		system("killall -TERM shipit-installer");
 	});

 	it(@"should handle SIGINT", ^{
-		system("killall -INT ShipIt");
-		verifyUpdate();
+		system("killall -INT shipit-installer");
 	});

 	it(@"should handle SIGQUIT", ^{
-		system("killall -QUIT ShipIt");
-		verifyUpdate();
+		system("killall -QUIT shipit-installer");
 	});

 	it(@"should handle SIGKILL", ^{
@@ -214,16 +206,14 @@ describe(@"signal handling", ^{
 		//
 		// Two SIGKILL signals means that it'll be launched three times (which
 		// matches the maximum number of attempts per state).
-		for (int i = 0; i < 2; i++) {
-			system("killall -KILL ShipIt");
+		for (int i = 0; i < 3; i++) {
+			system("killall -KILL shipit-installer");

 			// Wait at least for the launchd throttle interval.
 			NSTimeInterval delay = 2 + (arc4random_uniform(100) / 1000.0);
 			[NSThread sleepForTimeInterval:delay];
 		}
-
-		verifyUpdate();
 	});
 });

-QuickSpecEnd
+SpecEnd
@@ -6,17 +6,10 @@
 //  Copyright (c) 2013 GitHub. All rights reserved.
 //

-#import <Nimble/Nimble.h>
-#import <Quick/Quick.h>
-#import <ReactiveCocoa/ReactiveCocoa.h>
-#import <Squirrel/Squirrel.h>
-
 #import "SQRLDirectoryManager.h"
 #import "SQRLShipItRequest.h"

-#import "QuickSpec+SQRLFixtures.h"
-
-QuickSpecBegin(SQRLShipItRequestSpec)
+SpecBegin(SQRLShipItRequest)

 __block SQRLDirectoryManager *directoryManager;
 __block SQRLShipItRequest *request;
@@ -25,46 +18,46 @@ beforeEach(^{
 	directoryManager = SQRLDirectoryManager.currentApplicationManager;

 	NSURL *updateURL = [self createTestApplicationUpdate];
-	request = [[SQRLShipItRequest alloc] initWithUpdateBundleURL:updateURL targetBundleURL:self.testApplicationURL bundleIdentifier:nil launchAfterInstallation:NO useUpdateBundleName:NO];
-	expect(request).notTo(beNil());
+	request = [[SQRLShipItRequest alloc] initWithUpdateBundleURL:updateURL targetBundleURL:self.testApplicationURL bundleIdentifier:nil launchAfterInstallation:NO];
+	expect(request).notTo.beNil();

-	expect(request.targetBundleURL).to(equal(self.testApplicationURL));
-	expect(request.updateBundleURL).to(equal(updateURL));
-	expect(request.bundleIdentifier).to(beNil());
-	expect(@(request.launchAfterInstallation)).to(beFalsy());
+	expect(request.targetBundleURL).to.equal(self.testApplicationURL);
+	expect(request.updateBundleURL).to.equal(updateURL);
+	expect(request.bundleIdentifier).to.beNil();
+	expect(request.launchAfterInstallation).to.beFalsy();
 });

 afterEach(^{
 	NSURL *stateURL = [[directoryManager shipItStateURL] first];
-	expect(stateURL).notTo(beNil());
-
+	expect(stateURL).notTo.beNil();
+	
 	[NSFileManager.defaultManager removeItemAtURL:stateURL error:NULL];
 });

 it(@"should copy", ^{
 	SQRLShipItRequest *requestCopy = [request copy];
-	expect(requestCopy).to(equal(request));
-	expect(requestCopy).notTo(beIdenticalTo(request));
+	expect(requestCopy).to.equal(request);
+	expect(requestCopy).notTo.beIdenticalTo(request);
 });

-it(@"should fail to read state when no file exists yet", ^{
+it(@"should fail to read when no file exists yet", ^{
 	NSError *error;
-	BOOL success = [[SQRLShipItRequest readUsingURL:directoryManager.shipItStateURL] waitUntilCompleted:&error];
-	expect(@(success)).to(beFalsy());
-	expect(error).notTo(beNil());
+	BOOL success = [[SQRLShipItRequest readFromURL:[directoryManager.shipItStateURL first]] waitUntilCompleted:&error];
+	expect(success).to.beFalsy();
+	expect(error).notTo.beNil();
 });

-it(@"should write and read state to disk", ^{
+it(@"should write and read to disk", ^{
 	NSError *error;
-	BOOL success = [[request writeUsingURL:directoryManager.shipItStateURL] waitUntilCompleted:&error];
-	expect(@(success)).to(beTruthy());
-	expect(error).to(beNil());
+	BOOL success = [[request writeToURL:[directoryManager.shipItStateURL first]] waitUntilCompleted:&error];
+	expect(success).to.beTruthy();
+	expect(error).to.beNil();

-	SQRLShipItRequest *readRequest = [[SQRLShipItRequest readUsingURL:directoryManager.shipItStateURL] firstOrDefault:nil success:&success error:&error];
-	expect(@(success)).to(beTruthy());
-	expect(error).to(beNil());
+	SQRLShipItRequest *readRequest = [[SQRLShipItRequest readFromURL:[directoryManager.shipItStateURL first]] firstOrDefault:nil success:&success error:&error];
+	expect(success).to.beTruthy();
+	expect(error).to.beNil();

-	expect(readRequest).to(equal(request));
+	expect(readRequest).to.equal(request);
 });

 it(@"should fail gracefully with archives encoding a different class", ^{
@@ -72,15 +65,15 @@ it(@"should fail gracefully with archives encoding a different class", ^{

 	NSError *error;
 	BOOL write = [[NSKeyedArchiver archivedDataWithRootObject:@"rogue object"] writeToURL:archiveLocation atomically:YES];
-	expect(@(write)).to(beTruthy());
-	expect(error).to(beNil());
+	expect(write).to.beTruthy();
+	expect(error).to.beNil();

 	BOOL success = NO;
-	SQRLShipItRequest *request = [[SQRLShipItRequest readUsingURL:[RACSignal return:archiveLocation]] firstOrDefault:nil success:&success error:&error];
-	expect(request).to(beNil());
-	expect(@(success)).to(beFalsy());
-	expect(error.domain).to(equal(SQRLShipItRequestErrorDomain));
-	expect(@(error.code)).to(equal(@(SQRLShipItRequestErrorUnarchiving)));
+	SQRLShipItRequest *request = [[SQRLShipItRequest readFromURL:archiveLocation] firstOrDefault:nil success:&success error:&error];
+	expect(request).to.beNil();
+	expect(success).to.beFalsy();
+	expect(error.domain).to.equal(SQRLShipItRequestErrorDomain);
+	expect(error.code).to.equal(SQRLShipItRequestErrorUnarchiving);
 });

-QuickSpecEnd
+SpecEnd
@@ -1,79 +0,0 @@
-//
-//  SQRLTerminationListenerSpec.m
-//  Squirrel
-//
-//  Created by Justin Spahr-Summers on 2013-10-07.
-//  Copyright (c) 2013 GitHub. All rights reserved.
-//
-
-#import <Nimble/Nimble.h>
-#import <Quick/Quick.h>
-#import <ReactiveCocoa/ReactiveCocoa.h>
-#import <Squirrel/Squirrel.h>
-
-#import "SQRLTerminationListener.h"
-
-#import "QuickSpec+SQRLFixtures.h"
-
-QuickSpecBegin(SQRLTerminationListenerSpec)
-
-__block SQRLTerminationListener *listener;
-
-beforeEach(^{
-	listener = [[SQRLTerminationListener alloc] initWithURL:self.testApplicationURL bundleIdentifier:self.testApplicationBundle.bundleIdentifier];
-	expect(listener).notTo(beNil());
-});
-
-it(@"should complete immediately when the app is not running", ^{
-	__block BOOL completed = NO;
-	[[listener waitForTermination] subscribeCompleted:^{
-		completed = YES;
-	}];
-
-	expect(@(completed)).to(beTruthy());
-});
-
-it(@"should wait until one instance terminates", ^{
-	SKIP_IF_RUNNING_ON_TRAVIS
-
-	NSRunningApplication *app = [self launchTestApplicationWithEnvironment:nil];
-
-	__block NSRunningApplication *observedApp = nil;
-	__block BOOL completed = NO;
-	[[listener waitForTermination] subscribeNext:^(id x) {
-		observedApp = x;
-	} completed:^{
-		completed = YES;
-	}];
-
-	expect(observedApp).toEventually(equal(app));
-	expect(@(completed)).to(beFalsy());
-
-	[app forceTerminate];
-	expect(@(app.terminated)).toEventually(beTruthy());
-	expect(@(completed)).toEventually(beTruthy());
-});
-
-it(@"should wait until multiple instances terminate", ^{
-	SKIP_IF_RUNNING_ON_TRAVIS
-
-	NSRunningApplication *app1 = [self launchTestApplicationWithEnvironment:nil];
-	NSRunningApplication *app2 = [self launchTestApplicationWithEnvironment:nil];
-
-	__block BOOL completed = NO;
-	[[listener waitForTermination] subscribeCompleted:^{
-		completed = YES;
-	}];
-
-	expect(@(completed)).to(beFalsy());
-
-	[app1 forceTerminate];
-	expect(@(app1.terminated)).toEventually(beTruthy());
-	expect(@(completed)).to(beFalsy());
-
-	[app2 forceTerminate];
-	expect(@(app2.terminated)).toEventually(beTruthy());
-	expect(@(completed)).toEventually(beTruthy());
-});
-
-QuickSpecEnd
@@ -1,19 +1,11 @@
 //
-//  QuickSpec+SQRLFixtures.h
+//  SQRLTestCase.h
 //  Squirrel
 //
 //  Created by Justin Spahr-Summers on 2013-08-06.
 //  Copyright (c) 2013 GitHub. All rights reserved.
 //

-#import <Nimble/Nimble.h>
-#import <Quick/Quick.h>
-#import <ReactiveCocoa/ReactiveCocoa.h>
-#import <Squirrel/Squirrel.h>
-
-/// See https://github.com/Squirrel/Squirrel.Mac/pull/154#issuecomment-151287744
-#define SKIP_IF_RUNNING_ON_TRAVIS if (self.runningOnTravis) return;
-
 // The short version string for the `testApplicationBundle`.
 extern NSString * const SQRLTestApplicationOriginalShortVersionString;

@@ -24,15 +16,11 @@ extern NSString * const SQRLTestApplicationUpdatedShortVersionString;
 // The Info.plist key associated with a bundle's short version string.
 extern NSString * const SQRLBundleShortVersionStringKey;

-/// The longer timeout we should use for things that take a long time. This is
-/// especially needed on slower machines (e.g., Travis CI).
-extern const NSTimeInterval SQRLLongTimeout;
-
@class SQRLCodeSignature;
@class SQRLDirectoryManager;
@class SQRLShipItRequest;

-@interface QuickSpec (SQRLFixtures)
+@interface SQRLTestCase : SPTXCTestCase

 // A URL to a temporary directory tests can use.
 //
@@ -61,9 +49,6 @@ extern const NSTimeInterval SQRLLongTimeout;
 // A directory manager for finding URLs that apply to ShipIt.
@property (nonatomic, strong, readonly) SQRLDirectoryManager *shipItDirectoryManager;

-/// Are the tests currently being run on Travis?
-@property (nonatomic, readonly, assign, getter = isRunningOnTravis) BOOL runningOnTravis;
-
 // Launches a new copy of TestApplication.app from the `testApplicationBundle`.
 //
 // Invoking this method multiple times will result in multiple running instances
@@ -87,6 +72,8 @@ extern const NSTimeInterval SQRLLongTimeout;
 - (NSURL *)createTestApplicationUpdate;

 // Runs the installer in process or submits ShipIt's launchd job to start it up.
+//
+// request - The install to send to ShipIt.
 - (void)installWithRequest:(SQRLShipItRequest *)request remote:(BOOL)remote;

 // Creates a disk image, then mounts it.
@@ -1,20 +1,20 @@
 //
-//  QuickSpec+SQRLFixtures.m
+//  SQRLTestCase.m
 //  Squirrel
 //
 //  Created by Justin Spahr-Summers on 2013-08-06.
 //  Copyright (c) 2013 GitHub. All rights reserved.
 //

-#import "QuickSpec+SQRLFixtures.h"
+#import "SQRLTestCase.h"

 #import "SQRLCodeSignature.h"
 #import "SQRLDirectoryManager.h"
+#import "SQRLShipItConnection.h"
 #import "SQRLInstaller.h"
-#import "SQRLShipItLauncher.h"
 #import "SQRLShipItRequest.h"
+#import "SQRLTestHelper.h"
 #import <ServiceManagement/ServiceManagement.h>
-#import <objc/runtime.h>

 #pragma clang diagnostic push
 #pragma clang diagnostic ignored "-Warc-retain-cycles"
@@ -23,8 +23,6 @@ NSString * const SQRLTestApplicationOriginalShortVersionString = @"1.0";
 NSString * const SQRLTestApplicationUpdatedShortVersionString = @"2.1";
 NSString * const SQRLBundleShortVersionStringKey = @"CFBundleShortVersionString";

-const NSTimeInterval SQRLLongTimeout = 20;
-
 static void SQRLKillAllTestApplications(void) {
 	// Forcibly kill all copies of the TestApplication that may be running.
 	NSArray *apps = [NSRunningApplication runningApplicationsWithBundleIdentifier:@"com.github.Squirrel.TestApplication"];
@@ -45,25 +43,40 @@ static void SQRLSignalHandler(int sig) {
 	abort();
 }

-static NSBundle *SQRLTestBundle(void) {
-	return [NSBundle bundleWithIdentifier:@"com.github.SquirrelTests"];
-}
+@interface SQRLTestCase ()

-static NSMutableArray *cleanupBlocks = nil;
+// An array of dispatch_block_t values, for performing cleanup after the current
+// example finishes.
+//
+// This array will be emptied between each example.
+@property (nonatomic, strong, readonly) NSMutableArray *exampleCleanupBlocks;

 // The URL to the temporary directory which contains `temporaryDirectoryURL` and
 // all copied test data.
-static NSURL *baseTemporaryDirectoryURL = nil;
+@property (nonatomic, copy, readonly) NSURL *baseTemporaryDirectoryURL;

-QuickConfigurationBegin(Fixtures)
+// Returns an _unlaunched_ task that will follow log files at the given paths,
+// then pipe that output through this process.
+ (NSTask *)tailTaskWithPaths:(RACSequence *)paths;

-+ (void)configure:(Configuration *)configuration {
+@end
+
+@implementation SQRLTestCase
+
+#pragma mark Properties
+
+@synthesize baseTemporaryDirectoryURL = _baseTemporaryDirectoryURL;
+
+#pragma mark Lifecycle
+
+ (void)load {
 	NSURL *appSupportURL = [NSFileManager.defaultManager URLForDirectory:NSApplicationSupportDirectory inDomain:NSUserDomainMask appropriateForURL:nil create:YES error:NULL];
 	NSAssert(appSupportURL != nil, @"Could not find Application Support folder");

 	NSArray *folders = @[
 		@"com.github.Squirrel.TestApplication.ShipIt",
-		@"com.github.Squirrel.SquirrelTests.ShipIt",
+		@"otest.ShipIt",
+		@"otest-x86_64.ShipIt",
 	];

 	RACSequence *URLs = [folders.rac_sequence flattenMap:^(NSString *folder) {
@@ -74,69 +87,79 @@ QuickConfigurationBegin(Fixtures)
 		].rac_sequence;
 	}];

-	[configuration beforeSuite:^{
-		signal(SIGILL, &SQRLSignalHandler);
-		NSSetUncaughtExceptionHandler(&SQRLUncaughtExceptionHandler);
+	for (NSURL *URL in URLs) {
+		[[NSData data] writeToURL:URL atomically:YES];
+	}

-		cleanupBlocks = [NSMutableArray array];
-
-		for (NSURL *URL in URLs) {
-			[NSFileManager.defaultManager createDirectoryAtURL:URL.URLByDeletingLastPathComponent withIntermediateDirectories:YES attributes:nil error:NULL];
-			if (![[NSData data] writeToURL:URL atomically:YES]) {
-				NSLog(@"Could not touch log file at %@", URL);
-			}
-		}
+	RACSequence *paths = [URLs map:^(NSURL *URL) {
+		return URL.path;
 	}];

-	// We want to run any enqueued cleanup blocks after _and before_ each spec,
-	// in case beforeSuites (for example) use the fixtures.
-	void (^runCleanupBlocks)(void) = ^{
-		// Enumerate backwards, so later resources are cleaned up first.
-		for (dispatch_block_t block in cleanupBlocks.reverseObjectEnumerator) {
-			block();
-		}
+	NSTask *readShipIt = [self tailTaskWithPaths:paths];
+	[readShipIt launch];

-		[cleanupBlocks removeAllObjects];
-	};
+	NSAssert([readShipIt isRunning], @"Could not start task %@", readShipIt);

-	[configuration beforeEach:^{
-		runCleanupBlocks();
-	}];
-
-	[configuration afterEach:^{
-		runCleanupBlocks();
-		SQRLKillAllTestApplications();
-	}];
+	atexit_b(^{
+		[readShipIt terminate];
+	});
 }

-QuickConfigurationEnd
+- (void)setUp {
+	[super setUp];

-@implementation QuickSpec (SQRLFixtures)
+	signal(SIGILL, &SQRLSignalHandler);
+	NSSetUncaughtExceptionHandler(&SQRLUncaughtExceptionHandler);

-#pragma mark Lifecycle
+	Expecta.asynchronousTestTimeout = 3;
+}
+
+- (void)tearDown {
+	[super tearDown];
+
+	SQRLKillAllTestApplications();
+}

 - (void)addCleanupBlock:(dispatch_block_t)block {
-	[cleanupBlocks addObject:[block copy]];
+	[SQRLTestHelper addCleanupBlock:block];
+}
+
+#pragma mark Logging
+
+ (NSTask *)tailTaskWithPaths:(RACSequence *)paths {
+	NSPipe *outputPipe = [NSPipe pipe];
+	NSFileHandle *outputHandle = outputPipe.fileHandleForReading;
+
+	outputHandle.readabilityHandler = ^(NSFileHandle *handle) {
+		NSString *output = [[NSString alloc] initWithData:handle.availableData encoding:NSUTF8StringEncoding];
+		NSLog(@"\n%@", output);
+	};
+
+	NSTask *task = [[NSTask alloc] init];
+	task.launchPath = @"/usr/bin/tail";
+	task.standardOutput = outputPipe;
+	task.arguments = [[paths startWith:@"-f"] array];
+	return task;
 }

 #pragma mark Temporary Directory

 - (NSURL *)baseTemporaryDirectoryURL {
-	if (baseTemporaryDirectoryURL == nil) {
+	if (_baseTemporaryDirectoryURL == nil) {
 		NSURL *globalTemporaryDirectory = [NSURL fileURLWithPath:NSTemporaryDirectory() isDirectory:YES];
-		baseTemporaryDirectoryURL = [[globalTemporaryDirectory URLByAppendingPathComponent:@"com.github.SquirrelTests"] URLByAppendingPathComponent:[NSProcessInfo.processInfo globallyUniqueString]];
+		_baseTemporaryDirectoryURL = [[globalTemporaryDirectory URLByAppendingPathComponent:@"com.github.SquirrelTests"] URLByAppendingPathComponent:[NSProcessInfo.processInfo globallyUniqueString]];

 		NSError *error = nil;
-		BOOL success = [NSFileManager.defaultManager createDirectoryAtURL:baseTemporaryDirectoryURL withIntermediateDirectories:YES attributes:nil error:&error];
-		XCTAssertTrue(success, @"Couldn't create temporary directory at %@: %@", baseTemporaryDirectoryURL, error);
+		BOOL success = [NSFileManager.defaultManager createDirectoryAtURL:_baseTemporaryDirectoryURL withIntermediateDirectories:YES attributes:nil error:&error];
+		XCTAssertTrue(success, @"Couldn't create temporary directory at %@: %@", _baseTemporaryDirectoryURL, error);

 		[self addCleanupBlock:^{
-			[NSFileManager.defaultManager removeItemAtURL:baseTemporaryDirectoryURL error:NULL];
-			baseTemporaryDirectoryURL = nil;
+			[NSFileManager.defaultManager removeItemAtURL:_baseTemporaryDirectoryURL error:NULL];
+			_baseTemporaryDirectoryURL = nil;
 		}];
 	}

-	return baseTemporaryDirectoryURL;
+	return _baseTemporaryDirectoryURL;
 }

 - (NSURL *)temporaryDirectoryURL {
@@ -154,7 +177,7 @@ QuickConfigurationEnd
 - (NSURL *)testApplicationURL {
 	NSURL *fixtureURL = [self.temporaryDirectoryURL URLByAppendingPathComponent:@"TestApplication.app" isDirectory:YES];
 	if (![NSFileManager.defaultManager fileExistsAtPath:fixtureURL.path]) {
-		NSURL *bundleURL = [SQRLTestBundle() URLForResource:@"TestApplication" withExtension:@"app"];
+		NSURL *bundleURL = [[NSBundle bundleForClass:self.class] URLForResource:@"TestApplication" withExtension:@"app"];
 		XCTAssertNotNil(bundleURL, @"Couldn't find TestApplication.app in test bundle");

 		NSError *error = nil;
@@ -163,6 +186,15 @@ QuickConfigurationEnd

 		NSURL *testAppLog = [fixtureURL.URLByDeletingLastPathComponent URLByAppendingPathComponent:@"TestApplication.log"];
 		[[NSData data] writeToURL:testAppLog atomically:YES];
+
+		NSTask *readTestApp = [self.class tailTaskWithPaths:[RACSequence return:testAppLog.path]];
+		[readTestApp launch];
+
+		XCTAssertTrue([readTestApp isRunning], @"Could not start task %@ to read %@", readTestApp, testAppLog);
+
+		[self addCleanupBlock:^{
+			[readTestApp terminate];
+		}];
 	}

 	return fixtureURL;
@@ -211,7 +243,7 @@ QuickConfigurationEnd
 }

 - (NSURL *)createTestApplicationUpdate {
-	NSURL *originalURL = [SQRLTestBundle() URLForResource:@"TestApplication 2.1" withExtension:@"app"];
+	NSURL *originalURL = [[NSBundle bundleForClass:self.class] URLForResource:@"TestApplication 2.1" withExtension:@"app"];
 	XCTAssertNotNil(originalURL, @"Couldn't find TestApplication update in test bundle");

 	NSError *error = nil;
@@ -230,7 +262,7 @@ QuickConfigurationEnd
 }

 - (id)performWithTestApplicationRequirement:(id (^)(SecRequirementRef requirement))block {
-	NSURL *bundleURL = [SQRLTestBundle() URLForResource:@"TestApplication" withExtension:@"app"];
+	NSURL *bundleURL = [[NSBundle bundleForClass:self.class] URLForResource:@"TestApplication" withExtension:@"app"];
 	XCTAssertNotNil(bundleURL, @"Couldn't find TestApplication.app in test bundle");

 	SecStaticCodeRef staticCode = NULL;
@@ -253,7 +285,7 @@ QuickConfigurationEnd
 }

 - (SQRLCodeSignature *)testApplicationSignature {
-	NSURL *bundleURL = [SQRLTestBundle() URLForResource:@"TestApplication" withExtension:@"app"];
+	NSURL *bundleURL = [[NSBundle bundleForClass:self.class] URLForResource:@"TestApplication" withExtension:@"app"];
 	XCTAssertNotNil(bundleURL, @"Couldn't find TestApplication.app in test bundle");

 	NSError *error = nil;
@@ -264,7 +296,7 @@ QuickConfigurationEnd
 }

 - (SQRLDirectoryManager *)shipItDirectoryManager {
-	NSString *identifier = SQRLShipItLauncher.shipItJobLabel;
+	NSString *identifier = SQRLShipItConnection.shipItJobLabel;
 	SQRLDirectoryManager *manager = [[SQRLDirectoryManager alloc] initWithApplicationIdentifier:identifier];
 	XCTAssertNotNil(manager, @"Could not create directory manager for %@", identifier);

@@ -273,31 +305,31 @@ QuickConfigurationEnd

 - (void)installWithRequest:(SQRLShipItRequest *)request remote:(BOOL)remote {
 	if (remote) {
-		expect(@([[request writeUsingURL:self.shipItDirectoryManager.shipItStateURL] waitUntilCompleted:NULL])).to(beTruthy());
+		SQRLShipItConnection *connection = [[SQRLShipItConnection alloc] initWithRootPrivileges:NO];

 		__block NSError *error = nil;
-		expect(@([[SQRLShipItLauncher launchPrivileged:NO] waitUntilCompleted:&error])).to(beTruthy());
-		expect(error).to(beNil());
+		expect([[connection sendRequest:request] waitUntilCompleted:&error]).to.beTruthy();
+		expect(error).to.beNil();

 		[self addCleanupBlock:^{
 			// Remove ShipIt's launchd job so it doesn't relaunch itself.
-			SMJobRemove(kSMDomainUserLaunchd, (__bridge CFStringRef)SQRLShipItLauncher.shipItJobLabel, NULL, true, NULL);
+			SMJobRemove(kSMDomainUserLaunchd, (__bridge CFStringRef)SQRLShipItConnection.shipItJobLabel, NULL, true, NULL);

 			NSError *lookupError;
 			NSURL *stateURL = [[self.shipItDirectoryManager shipItStateURL] firstOrDefault:nil success:NULL error:&lookupError];
-			expect(stateURL).notTo(beNil());
-			expect(lookupError).to(beNil());
+			expect(stateURL).notTo.beNil();
+			expect(lookupError).to.beNil();

 			[NSFileManager.defaultManager removeItemAtURL:stateURL error:NULL];
 		}];
 	} else {
 		SQRLInstaller *installer = [[SQRLInstaller alloc] initWithApplicationIdentifier:self.shipItDirectoryManager.applicationIdentifier];
-		expect(installer).notTo(beNil());
+		expect(installer).notTo.beNil();

 		NSError *installedError = nil;
 		BOOL installed = [[installer.installUpdateCommand execute:request] asynchronouslyWaitUntilCompleted:&installedError];
-		expect(@(installed)).to(beTruthy());
-		expect(installedError).to(beNil());
+		expect(installed).to.beTruthy();
+		expect(installedError).to.beNil();
 	}
 }

@@ -312,24 +344,20 @@ QuickConfigurationEnd
 		createInvocation = [NSString stringWithFormat:@"hdiutil create '%@' -fs 'HFS+' -volname '%@' -format UDSP -size 10m -srcfolder '%@' -quiet", destinationURL.path, name, directoryURL.path];
 	}

-	expect(@(system(createInvocation.UTF8String))).to(equal(@0));
+	expect(system(createInvocation.UTF8String)).to.equal(0);

 	NSString *mountInvocation = [NSString stringWithFormat:@"hdiutil attach '%@.sparseimage' -noverify -noautofsck -readwrite -quiet", destinationURL.path];
-	expect(@(system(mountInvocation.UTF8String))).to(equal(@0));
+	expect(system(mountInvocation.UTF8String)).to.equal(0);

 	NSString *path = [NSString stringWithFormat:@"/Volumes/%@", name];
 	[self addCleanupBlock:^{
 		NSString *detachInvocation = [NSString stringWithFormat:@"hdiutil detach '%@' -force -quiet", path];
-		expect(@(system(detachInvocation.UTF8String))).to(equal(@0));
+		expect(system(detachInvocation.UTF8String)).to.equal(0);
 	}];

 	return [NSURL fileURLWithPath:path isDirectory:YES];
 }

- (BOOL)isRunningOnTravis {
-	return NSProcessInfo.processInfo.environment[@"TRAVIS"] != nil;
-}
-
@end

 #pragma clang diagnostic pop
@@ -0,0 +1,17 @@
+//
+//  SQRLTestHelper.h
+//  Squirrel
+//
+//  Created by Matt Diephouse on 7/7/14.
+//  Copyright (c) 2014 GitHub. All rights reserved.
+//
+
+#import <Foundation/Foundation.h>
+
+/// A test helper class that will run cleanup blocks after each test finishes.
+@interface SQRLTestHelper : NSObject
+
+/// Adds a cleanup block that will run after the next test completes.
+ (void)addCleanupBlock:(dispatch_block_t)block;
+
+@end
@@ -0,0 +1,42 @@
+//
+//  SQRLTestHelper.m
+//  Squirrel
+//
+//  Created by Matt Diephouse on 7/7/14.
+//  Copyright (c) 2014 GitHub. All rights reserved.
+//
+
+#import "SQRLTestHelper.h"
+
+#import <objc/runtime.h>
+
+@implementation SQRLTestHelper
+
+#pragma mark - Specta Methods
+
+ (void)afterEach {
+	// Enumerate backwards, so later resources are cleaned up first.
+	for (dispatch_block_t block in self.cleanupBlocks.reverseObjectEnumerator) {
+		block();
+	}
+	[self.cleanupBlocks removeAllObjects];
+}
+
+#pragma mark - Public Methods
+
+ (void)addCleanupBlock:(dispatch_block_t)block {
+	[self.cleanupBlocks addObject:[block copy]];
+}
+
+#pragma mark - Private Methods
+
+ (NSMutableArray *)cleanupBlocks {
+	NSMutableArray *blocks = objc_getAssociatedObject(self, "sqrl_cleanupBlocks");
+	if (blocks == nil) {
+		blocks = [NSMutableArray array];
+		objc_setAssociatedObject(self, "sqrl_cleanupBlocks", blocks, OBJC_ASSOCIATION_RETAIN);
+	}
+	return blocks;
+}
+
+@end
@@ -6,27 +6,22 @@
 //  Copyright (c) 2013 GitHub. All rights reserved.
 //

-#import <Nimble/Nimble.h>
-#import <Quick/Quick.h>
-#import <ReactiveCocoa/ReactiveCocoa.h>
-#import <Squirrel/Squirrel.h>
-
-QuickSpecBegin(SQRLUpdateSpec)
+SpecBegin(SQRLUpdate)

 it(@"should return nil when initialised without a url", ^{
 	NSError *error = nil;
 	SQRLUpdate *update = [[SQRLUpdate alloc] initWithDictionary:@{} error:&error];
-	expect(update).to(beNil());
-	expect(error.domain).to(equal(NSCocoaErrorDomain));
-	expect(@(error.code)).to(equal(@(NSKeyValueValidationError)));
+	expect(update).to.beNil();
+	expect(error.domain).to.equal(NSCocoaErrorDomain);
+	expect(error.code).to.equal(NSKeyValueValidationError);
 });

 it(@"should return nil when initialised with a url not in URL syntax", ^{
 	NSError *error = nil;
 	SQRLUpdate *update = [[SQRLUpdate alloc] initWithDictionary:@{ @"updateURL": [NSURL URLWithString:@"test"] } error:&error];
-	expect(update).to(beNil());
-	expect(error.domain).to(equal(NSCocoaErrorDomain));
-	expect(@(error.code)).to(equal(@(NSKeyValueValidationError)));
+	expect(update).to.beNil();
+	expect(error.domain).to.equal(NSCocoaErrorDomain);
+	expect(error.code).to.equal(NSKeyValueValidationError);
 });

 it(@"should validate release name and notes", ^{
@@ -37,20 +32,20 @@ it(@"should validate release name and notes", ^{
 		@"releaseNotes": [[NSObject alloc] init]
 	} error:NULL];

-	expect(update).notTo(beNil());
-	expect(update.updateURL).to(equal(updateURL));
-	expect(update.releaseName).to(beNil());
-	expect(update.releaseNotes).to(beNil());
+	expect(update).notTo.beNil();
+	expect(update.updateURL).to.equal(updateURL);
+	expect(update.releaseName).to.beNil();
+	expect(update.releaseNotes).to.beNil();
 });

 it(@"should parse Central style dates", ^{
 	SQRLUpdate *update = [MTLJSONAdapter modelOfClass:SQRLUpdate.class fromJSONDictionary:@{ @"url": @"http://example.com/update", @"pub_date": @"Tue Sep 17 10:24:27 -0700 2013" } error:NULL];
-	expect(update.releaseDate).to(equal([NSDate dateWithTimeIntervalSince1970:1379438667]));
+	expect(update.releaseDate).notTo.beNil();
 });

 it(@"should parse ISO 8601 dates", ^{
 	SQRLUpdate *update = [MTLJSONAdapter modelOfClass:SQRLUpdate.class fromJSONDictionary:@{ @"url": @"http://example.com/update", @"pub_date": @"2013-09-18T13:17:07+01:00" } error:NULL];
-	expect(update.releaseDate).to(equal([NSDate dateWithTimeIntervalSince1970:1379506627]));
+	expect(update.releaseDate).notTo.beNil();
 });

-QuickSpecEnd
+SpecEnd
@@ -6,44 +6,38 @@
 //  Copyright (c) 2013 GitHub. All rights reserved.
 //

-#import <Nimble/Nimble.h>
-#import <Quick/Quick.h>
-#import <ReactiveCocoa/ReactiveCocoa.h>
-#import <Squirrel/Squirrel.h>
-
 #import "SQRLDirectoryManager.h"
 #import "SQRLZipArchiver.h"

-#import "OHHTTPStubs/OHHTTPStubs.h"
-#import "QuickSpec+SQRLFixtures.h"
 #import "SQRLTestUpdate.h"
+#import "OHHTTPStubs/OHHTTPStubs.h"
 #import "TestAppConstants.h"

-QuickSpecBegin(SQRLUpdaterSpec)
+SpecBegin(SQRLUpdater)

 __block NSURL *JSONURL;

 void (^writeUpdate)(SQRLUpdate *) = ^(SQRLUpdate *update) {
 	NSDictionary *updateInfo = [MTLJSONAdapter JSONDictionaryFromModel:update];
-	expect(updateInfo).notTo(beNil());
+	expect(updateInfo).notTo.beNil();

 	NSError *error = nil;
 	NSData *JSON = [NSJSONSerialization dataWithJSONObject:updateInfo options:NSJSONWritingPrettyPrinted error:&error];
-	expect(JSON).notTo(beNil());
-	expect(error).to(beNil());
+	expect(JSON).notTo.beNil();
+	expect(error).to.beNil();

 	BOOL success = [JSON writeToURL:JSONURL options:NSDataWritingAtomic error:&error];
-	expect(@(success)).to(beTruthy());
-	expect(error).to(beNil());
+	expect(success).to.beTruthy();
+	expect(error).to.beNil();
 };

 NSURL * (^zipUpdate)(NSURL *) = ^(NSURL *updateURL) {
 	NSURL *zipFolderURL = [NSFileManager.defaultManager URLForDirectory:NSItemReplacementDirectory inDomain:NSUserDomainMask appropriateForURL:self.temporaryDirectoryURL create:YES error:NULL];
-	expect(zipFolderURL).notTo(beNil());
+	expect(zipFolderURL).notTo.beNil();

 	NSURL *zippedUpdateURL = [[zipFolderURL URLByAppendingPathComponent:updateURL.lastPathComponent] URLByAppendingPathExtension:@"zip"];
 	BOOL success = [[SQRLZipArchiver createZipArchiveAtURL:zippedUpdateURL fromDirectoryAtURL:updateURL] asynchronouslyWaitUntilCompleted:NULL];
-	expect(@(success)).to(beTruthy());
+	expect(success).to.beTruthy();

 	return zippedUpdateURL;
 };
@@ -61,34 +55,30 @@ beforeEach(^{

 describe(@"updating", ^{
 	__block NSURL *updateURL;
-
+	
 	beforeEach(^{
 		updateURL = [self createTestApplicationUpdate];
 	});

 	it(@"should use the application's bundled version of Squirrel and update in-place", ^{
-		SKIP_IF_RUNNING_ON_TRAVIS
-
 		NSError *error = nil;
 		SQRLTestUpdate *update = [SQRLTestUpdate modelWithDictionary:@{
 			@"updateURL": zipUpdate(updateURL),
 			@"final": @YES
 		} error:&error];
-		expect(update).notTo(beNil());
-		expect(error).to(beNil());
+		expect(update).notTo.beNil();
+		expect(error).to.beNil();

 		writeUpdate(update);

 		NSRunningApplication *app = launchWithEnvironment(nil);
-		expect(@(app.terminated)).withTimeout(SQRLLongTimeout).toEventually(beTruthy());
-		expect(self.testApplicationBundleVersion).toEventually(equal(SQRLTestApplicationUpdatedShortVersionString));
+		expect(app.terminated).will.beTruthy();
+		expect(self.testApplicationBundleVersion).will.equal(SQRLTestApplicationUpdatedShortVersionString);
 	});

 	it(@"should not install a corrupt update", ^{
-		SKIP_IF_RUNNING_ON_TRAVIS
-
 		NSURL *codeSignatureURL = [updateURL URLByAppendingPathComponent:@"Contents/_CodeSignature"];
-		expect(@([NSFileManager.defaultManager removeItemAtURL:codeSignatureURL error:NULL])).to(beTruthy());
+		expect([NSFileManager.defaultManager removeItemAtURL:codeSignatureURL error:NULL]).to.beTruthy();

 		SQRLTestUpdate *update = [SQRLTestUpdate modelWithDictionary:@{
 			@"updateURL": zipUpdate(updateURL),
@@ -98,16 +88,14 @@ describe(@"updating", ^{
 		writeUpdate(update);

 		NSRunningApplication *app = launchWithEnvironment(nil);
-		expect(@(app.terminated)).withTimeout(SQRLLongTimeout).toEventually(beTruthy());
+		expect(app.terminated).will.beTruthy();

 		// Give the update some time to finish installing.
 		[NSThread sleepForTimeInterval:0.2];
-		expect(self.testApplicationBundleVersion).to(equal(SQRLTestApplicationOriginalShortVersionString));
+		expect(self.testApplicationBundleVersion).to.equal(SQRLTestApplicationOriginalShortVersionString);
 	});

 	it(@"should update to the most recently enqueued job", ^{
-		SKIP_IF_RUNNING_ON_TRAVIS
-
 		SQRLTestUpdate *update = [SQRLTestUpdate modelWithDictionary:@{
 			@"updateURL": zipUpdate(self.testApplicationURL)
 		} error:NULL];
@@ -131,13 +119,11 @@ describe(@"updating", ^{

 		writeUpdate(update);

-		expect(@(app.terminated)).withTimeout(SQRLLongTimeout).toEventually(beTruthy());
-		expect(self.testApplicationBundleVersion).toEventually(equal(SQRLTestApplicationUpdatedShortVersionString));
+		expect(app.terminated).will.beTruthy();
+		expect(self.testApplicationBundleVersion).will.equal(SQRLTestApplicationUpdatedShortVersionString);
 	});

 	it(@"should use the application's bundled version of Squirrel and update in-place after a significant delay", ^{
-		SKIP_IF_RUNNING_ON_TRAVIS
-		
 		SQRLTestUpdate *update = [SQRLTestUpdate modelWithDictionary:@{
 			@"updateURL": zipUpdate(updateURL),
 			@"final": @YES
@@ -145,22 +131,24 @@ describe(@"updating", ^{

 		writeUpdate(update);

-		NSTimeInterval delay = 15;
+		NSTimeInterval delay = 30;
 		NSRunningApplication *app = launchWithEnvironment(@{ @"SQRLUpdateDelay": [NSString stringWithFormat:@"%f", delay] });

-		expect(@(app.terminated)).withTimeout(delay + SQRLLongTimeout).toEventually(beTruthy());
-		expect(self.testApplicationBundleVersion).toEventually(equal(SQRLTestApplicationUpdatedShortVersionString));
+		Expecta.asynchronousTestTimeout = delay + 3;
+		expect(app.terminated).will.beTruthy();
+
+		expect(self.testApplicationBundleVersion).will.equal(SQRLTestApplicationUpdatedShortVersionString);
 	});

 	describe(@"cleaning up", ^{
 		__block NSURL *appSupportURL;
 		__block RACSignal *updateDirectoryURLs;
-
+		
 		beforeEach(^{
 			SQRLDirectoryManager *directoryManager = [[SQRLDirectoryManager alloc] initWithApplicationIdentifier:@"com.github.Squirrel.TestApplication.ShipIt"];

-			appSupportURL = [[directoryManager storageURL] first];
-			expect(appSupportURL).notTo(beNil());
+			appSupportURL = [[directoryManager applicationSupportURL] first];
+			expect(appSupportURL).notTo.beNil();

 			updateDirectoryURLs = [[RACSignal
 				defer:^{
@@ -175,25 +163,22 @@ describe(@"updating", ^{
 		});

 		it(@"should remove downloaded archives after updating", ^{
-			SKIP_IF_RUNNING_ON_TRAVIS
-
 			NSError *error = nil;
 			SQRLTestUpdate *update = [SQRLTestUpdate modelWithDictionary:@{
 				@"updateURL": zipUpdate(updateURL),
 				@"final": @YES
 			} error:&error];

-			expect(update).notTo(beNil());
-			expect(error).to(beNil());
+			expect(update).notTo.beNil();
+			expect(error).to.beNil();

 			writeUpdate(update);

-			NSRunningApplication *app = launchWithEnvironment(@{ @"SQRLUpdateRequestCount": @2 });
-			expect([updateDirectoryURLs toArray]).toEventuallyNot(equal(@[]));
-			expect(@(app.terminated)).withTimeout(SQRLLongTimeout).toEventually(beTruthy());
-			expect(self.testApplicationBundleVersion).toEventually(equal(SQRLTestApplicationUpdatedShortVersionString));
+			NSRunningApplication *app = launchWithEnvironment(nil);
+			expect(app.terminated).will.beTruthy();
+			expect(self.testApplicationBundleVersion).will.equal(SQRLTestApplicationUpdatedShortVersionString);

-			expect([updateDirectoryURLs toArray]).toEventually(equal(@[]));
+			expect([updateDirectoryURLs toArray]).will.equal(@[]);
 		});
 	});
 });
@@ -202,7 +187,7 @@ describe(@"response handling", ^{
 	__block NSURLRequest *localRequest = nil;
 	__block SQRLUpdater *updater = nil;

-	beforeEach(^{
+	before(^{
 		localRequest = [NSURLRequest requestWithURL:[NSURL URLWithString:@"fake://host/path"]];
 		updater = [[SQRLUpdater alloc] initWithUpdateRequest:localRequest];
 	});
@@ -219,9 +204,9 @@ describe(@"response handling", ^{

 		NSError *error = nil;
 		BOOL result = [[updater.checkForUpdatesCommand execute:nil] asynchronouslyWaitUntilCompleted:&error];
-		expect(@(result)).to(beFalsy());
-		expect(error.domain).to(equal(SQRLUpdaterErrorDomain));
-		expect(@(error.code)).to(equal(@(SQRLUpdaterErrorInvalidServerResponse)));
+		expect(result).to.beFalsy();
+		expect(error.domain).to.equal(SQRLUpdaterErrorDomain);
+		expect(error.code).to.equal(SQRLUpdaterErrorInvalidServerResponse);
 	});

 	it(@"should return an error for non JSON data", ^{
@@ -236,9 +221,9 @@ describe(@"response handling", ^{

 		NSError *error = nil;
 		BOOL result = [[updater.checkForUpdatesCommand execute:nil] asynchronouslyWaitUntilCompleted:&error];
-		expect(@(result)).to(beFalsy());
-		expect(error.domain).to(equal(SQRLUpdaterErrorDomain));
-		expect(@(error.code)).to(equal(@(SQRLUpdaterErrorInvalidServerBody)));
+		expect(result).to.beFalsy();
+		expect(error.domain).to.equal(SQRLUpdaterErrorDomain);
+		expect(error.code).to.equal(SQRLUpdaterErrorInvalidServerBody);
 	});
 });

@@ -253,8 +238,6 @@ static RACSignal * (^stateNotificationListener)(void) = ^ {

 describe(@"state", ^{
 	it(@"should transition through idle, checking and idle, when there is no update", ^{
-		SKIP_IF_RUNNING_ON_TRAVIS
-
 		NSMutableArray *states = [NSMutableArray array];
 		[stateNotificationListener() subscribeNext:^(NSNumber *state) {
 			[states addObject:state];
@@ -267,14 +250,12 @@ describe(@"state", ^{
 			@(SQRLUpdaterStateCheckingForUpdate),
 			@(SQRLUpdaterStateIdle),
 		];
-		expect(states).toEventually(equal(expectedStates));
+		expect(states).will.equal(expectedStates);

-		expect(@(testApplication.terminated)).withTimeout(SQRLLongTimeout).toEventually(beTruthy());
+		expect(testApplication.terminated).will.beTruthy();
 	});

 	it(@"should transition through idle, checking, downloading and awaiting relaunch, when there is an update", ^{
-		SKIP_IF_RUNNING_ON_TRAVIS
-
 		NSMutableArray *states = [NSMutableArray array];
 		[stateNotificationListener() subscribeNext:^(NSNumber *state) {
 			[states addObject:state];
@@ -285,8 +266,8 @@ describe(@"state", ^{
 			@"updateURL": zipUpdate([self createTestApplicationUpdate]),
 			@"final": @YES,
 		} error:&error];
-		expect(update).notTo(beNil());
-		expect(error).to(beNil());
+		expect(update).notTo.beNil();
+		expect(error).to.beNil();

 		writeUpdate(update);

@@ -298,10 +279,10 @@ describe(@"state", ^{
 			@(SQRLUpdaterStateDownloadingUpdate),
 			@(SQRLUpdaterStateAwaitingRelaunch),
 		];
-		expect(states).withTimeout(SQRLLongTimeout).toEventually(equal(expectedStates));
+		expect(states).will.equal(expectedStates);

-		expect(@(testApplication.terminated)).withTimeout(SQRLLongTimeout).toEventually(beTruthy());
+		expect(testApplication.terminated).will.beTruthy();
 	});
 });

-QuickSpecEnd
+SpecEnd
@@ -6,44 +6,38 @@
 //  Copyright (c) 2013 GitHub. All rights reserved.
 //

-#import <Nimble/Nimble.h>
-#import <Quick/Quick.h>
-#import <ReactiveCocoa/ReactiveCocoa.h>
-#import <Squirrel/Squirrel.h>
-
-#import "QuickSpec+SQRLFixtures.h"
 #import "SQRLCodeSignature.h"
 #import "SQRLZipArchiver.h"

-QuickSpecBegin(SQRLZipArchiverSpec)
+SpecBegin(SQRLZipArchiver)

 it(@"should extract a zip archive created by the Finder", ^{
 	NSURL *zipURL = [[NSBundle bundleForClass:self.class] URLForResource:@"TestApplication.app" withExtension:@"zip"];

 	NSError *error = nil;
 	BOOL success = [[SQRLZipArchiver unzipArchiveAtURL:zipURL intoDirectoryAtURL:self.temporaryDirectoryURL] asynchronouslyWaitUntilCompleted:&error];
-	expect(@(success)).to(beTruthy());
-	expect(error).to(beNil());
+	expect(success).to.beTruthy();
+	expect(error).to.beNil();

 	NSURL *extractedAppURL = [self.temporaryDirectoryURL URLByAppendingPathComponent:@"TestApplication 2.1.app"];
-	expect(@([NSFileManager.defaultManager fileExistsAtPath:extractedAppURL.path])).to(beTruthy());
+	expect([NSFileManager.defaultManager fileExistsAtPath:extractedAppURL.path]).to.beTruthy();

 	success = [[self.testApplicationSignature verifyBundleAtURL:extractedAppURL] waitUntilCompleted:&error];
-	expect(@(success)).to(beTruthy());
-	expect(error).to(beNil());
+	expect(success).to.beTruthy();
+	expect(error).to.beNil();
 });

 it(@"should fail to extract a nonexistent zip archive", ^{
 	NSError *error = nil;
 	BOOL success = [[SQRLZipArchiver unzipArchiveAtURL:[self.temporaryDirectoryURL URLByAppendingPathComponent:@"foo.zip"] intoDirectoryAtURL:self.temporaryDirectoryURL] asynchronouslyWaitUntilCompleted:&error];
-	expect(@(success)).to(beFalsy());
+	expect(success).to.beFalsy();

 	NSLog(@"%@", error);

-	expect(error).notTo(beNil());
-	expect(error.domain).to(equal(SQRLZipArchiverErrorDomain));
-	expect(@(error.code)).to(equal(@(SQRLZipArchiverShellTaskFailed)));
-	expect(error.userInfo[SQRLZipArchiverExitCodeErrorKey]).notTo(equal(0));
+	expect(error).notTo.beNil();
+	expect(error.domain).to.equal(SQRLZipArchiverErrorDomain);
+	expect(error.code).to.equal(SQRLZipArchiverShellTaskFailed);
+	expect(error.userInfo[SQRLZipArchiverExitCodeErrorKey]).notTo.equal(0);
 });

 it(@"should create a zip archive readable by itself", ^{
@@ -51,21 +45,21 @@ it(@"should create a zip archive readable by itself", ^{

 	NSError *error = nil;
 	BOOL success = [[SQRLZipArchiver createZipArchiveAtURL:zipURL fromDirectoryAtURL:self.testApplicationURL] asynchronouslyWaitUntilCompleted:&error];
-	expect(@(success)).to(beTruthy());
-	expect(error).to(beNil());
+	expect(success).to.beTruthy();
+	expect(error).to.beNil();

-	expect(@([NSFileManager.defaultManager fileExistsAtPath:zipURL.path])).to(beTruthy());
+	expect([NSFileManager.defaultManager fileExistsAtPath:zipURL.path]).to.beTruthy();

 	success = [[SQRLZipArchiver unzipArchiveAtURL:zipURL intoDirectoryAtURL:self.temporaryDirectoryURL] asynchronouslyWaitUntilCompleted:&error];
-	expect(@(success)).to(beTruthy());
-	expect(error).to(beNil());
+	expect(success).to.beTruthy();
+	expect(error).to.beNil();

 	NSURL *extractedAppURL = [self.temporaryDirectoryURL URLByAppendingPathComponent:@"TestApplication.app"];
-	expect(@([NSFileManager.defaultManager fileExistsAtPath:extractedAppURL.path])).to(beTruthy());
+	expect([NSFileManager.defaultManager fileExistsAtPath:extractedAppURL.path]).to.beTruthy();

 	success = [[self.testApplicationSignature verifyBundleAtURL:extractedAppURL] waitUntilCompleted:&error];
-	expect(@(success)).to(beTruthy());
-	expect(error).to(beNil());
+	expect(success).to.beTruthy();
+	expect(error).to.beNil();
 });

-QuickSpecEnd
+SpecEnd
@@ -7,7 +7,7 @@
 	<key>CFBundleExecutable</key>
 	<string>${EXECUTABLE_NAME}</string>
 	<key>CFBundleIdentifier</key>
-	<string>$(PRODUCT_BUNDLE_IDENTIFIER)</string>
+	<string>com.github.${PRODUCT_NAME:rfc1034identifier}</string>
 	<key>CFBundleInfoDictionaryVersion</key>
 	<string>6.0</string>
 	<key>CFBundlePackageType</key>
@@ -0,0 +1,28 @@
+//
+//  SquirrelTests-Prefix.pch
+//  Squirrel
+//
+//  Created by Justin Spahr-Summers on 2013-07-21.
+//  Copyright (c) 2013 GitHub. All rights reserved.
+//
+
+#ifdef __OBJC__
+	#import <Cocoa/Cocoa.h>
+	#import <XCTest/XCTest.h>
+
+	#import <Mantle/Mantle.h>
+	#import <ReactiveCocoa/ReactiveCocoa.h>
+	#import <ReactiveCocoa/EXTScope.h>
+	#import <Squirrel/Squirrel.h>
+
+	#define SPT_SUBCLASS SQRLTestCase
+	#import "Specta.h"
+
+	#define EXP_SHORTHAND
+	#import "Expecta.h"
+
+	// Expecta #defines startWith as beginWith, which messes up -startWith: :-(
+	#undef startWith
+
+	#import "SQRLTestCase.h"
+#endif
@@ -1,19 +0,0 @@
-//
-//  SwiftSpec.swift
-//  ReactiveCocoa
-//
-//  Created by Justin Spahr-Summers on 2014-10-14.
-//  Copyright (c) 2014 GitHub. All rights reserved.
-//
-
-import Foundation
-import Nimble
-import Quick
-
-// Without this, the Swift stdlib won't be linked into the test target (even if
-// “Embedded Content Contains Swift Code” is enabled).
-class SwiftSpec: QuickSpec {
-	override func spec() {
-		expect(true).to(beTruthy())
-	}
-}
@@ -1 +0,0 @@
-Versions/Current/Headers
@@ -1 +0,0 @@
-Versions/Current/Mantle
@@ -1 +0,0 @@
-Versions/Current/Modules
@@ -1 +0,0 @@
-Versions/Current/Resources
@@ -1,172 +0,0 @@
-//
-//  MTLJSONAdapter.h
-//  Mantle
-//
-//  Created by Justin Spahr-Summers on 2013-02-12.
-//  Copyright (c) 2013 GitHub. All rights reserved.
-//
-
-#import <Foundation/Foundation.h>
-
-@class MTLModel;
-
-// A MTLModel object that supports being parsed from and serialized to JSON.
-@protocol MTLJSONSerializing
-@required
-
-// Specifies how to map property keys to different key paths in JSON.
-//
-// Subclasses overriding this method should combine their values with those of
-// `super`.
-//
-// Any property keys not present in the dictionary are assumed to match the JSON
-// key that should be used. Any keys associated with NSNull will not participate
-// in JSON serialization.
-//
-// Returns a dictionary mapping property keys to JSON key paths (as strings) or
-// NSNull values.
-+ (NSDictionary *)JSONKeyPathsByPropertyKey;
-
-@optional
-
-// Specifies how to convert a JSON value to the given property key. If
-// reversible, the transformer will also be used to convert the property value
-// back to JSON.
-//
-// If the receiver implements a `+<key>JSONTransformer` method, MTLJSONAdapter
-// will use the result of that method instead.
-//
-// Returns a value transformer, or nil if no transformation should be performed.
-+ (NSValueTransformer *)JSONTransformerForKey:(NSString *)key;
-
-// Overridden to parse the receiver as a different class, based on information
-// in the provided dictionary.
-//
-// This is mostly useful for class clusters, where the abstract base class would
-// be passed into -[MTLJSONAdapter initWithJSONDictionary:modelClass:], but
-// a subclass should be instantiated instead.
-//
-// JSONDictionary - The JSON dictionary that will be parsed.
-//
-// Returns the class that should be parsed (which may be the receiver), or nil
-// to abort parsing (e.g., if the data is invalid).
-+ (Class)classForParsingJSONDictionary:(NSDictionary *)JSONDictionary;
-
-@end
-
-// The domain for errors originating from MTLJSONAdapter.
-extern NSString * const MTLJSONAdapterErrorDomain;
-
-// +classForParsingJSONDictionary: returned nil for the given dictionary.
-extern const NSInteger MTLJSONAdapterErrorNoClassFound;
-
-// The provided JSONDictionary is not valid.
-extern const NSInteger MTLJSONAdapterErrorInvalidJSONDictionary;
-
-// The model's implementation of +JSONKeyPathsByPropertyKey included a key which
-// does not actually exist in +propertyKeys.
-extern const NSInteger MTLJSONAdapterErrorInvalidJSONMapping;
-
-// Converts a MTLModel object to and from a JSON dictionary.
-@interface MTLJSONAdapter : NSObject
-
-// The model object that the receiver was initialized with, or that the receiver
-// parsed from a JSON dictionary.
-@property (nonatomic, strong, readonly) MTLModel<MTLJSONSerializing> *model;
-
-// Attempts to parse a JSON dictionary into a model object.
-//
-// modelClass     - The MTLModel subclass to attempt to parse from the JSON.
-//                  This class must conform to <MTLJSONSerializing>. This
-//                  argument must not be nil.
-// JSONDictionary - A dictionary representing JSON data. This should match the
-//                  format returned by NSJSONSerialization. If this argument is
-//                  nil, the method returns nil.
-// error          - If not NULL, this may be set to an error that occurs during
-//                  parsing or initializing an instance of `modelClass`.
-//
-// Returns an instance of `modelClass` upon success, or nil if a parsing error
-// occurred.
-+ (id)modelOfClass:(Class)modelClass fromJSONDictionary:(NSDictionary *)JSONDictionary error:(NSError **)error;
-
-// Attempts to parse an array of JSON dictionary objects into a model objects
-// of a specific class.
-//
-// modelClass - The MTLModel subclass to attempt to parse from the JSON. This
-//              class must conform to <MTLJSONSerializing>. This argument must
-//              not be nil.
-// JSONArray  - A array of dictionaries representing JSON data. This should
-//              match the format returned by NSJSONSerialization. If this
-//              argument is nil, the method returns nil.
-// error      - If not NULL, this may be set to an error that occurs during
-//              parsing or initializing an any of the instances of
-//              `modelClass`.
-//
-// Returns an array of `modelClass` instances upon success, or nil if a parsing
-// error occurred.
-+ (NSArray *)modelsOfClass:(Class)modelClass fromJSONArray:(NSArray *)JSONArray error:(NSError **)error;
-
-// Converts a model into a JSON representation.
-//
-// model - The model to use for JSON serialization. This argument must not be
-//         nil.
-//
-// Returns a JSON dictionary, or nil if a serialization error occurred.
-+ (NSDictionary *)JSONDictionaryFromModel:(MTLModel<MTLJSONSerializing> *)model;
-
-// Converts a array of models into a JSON representation.
-//
-// models - The array of models to use for JSON serialization. This argument
-//          must not be nil.
-//
-// Returns a JSON array, or nil if a serialization error occurred for any
-// model.
-+ (NSArray *)JSONArrayFromModels:(NSArray *)models;
-
-// Initializes the receiver by attempting to parse a JSON dictionary into
-// a model object.
-//
-// JSONDictionary - A dictionary representing JSON data. This should match the
-//                  format returned by NSJSONSerialization. If this argument is
-//                  nil, the method returns nil and an error with code
-//                  MTLJSONAdapterErrorInvalidJSONDictionary.
-// modelClass     - The MTLModel subclass to attempt to parse from the JSON.
-//                  This class must conform to <MTLJSONSerializing>. This
-//                  argument must not be nil.
-// error          - If not NULL, this may be set to an error that occurs during
-//                  parsing or initializing an instance of `modelClass`.
-//
-// Returns an initialized adapter upon success, or nil if a parsing error
-// occurred.
- (id)initWithJSONDictionary:(NSDictionary *)JSONDictionary modelClass:(Class)modelClass error:(NSError **)error;
-
-// Initializes the receiver with an existing model.
-//
-// model - The model to use for JSON serialization. This argument must not be
-//         nil.
- (id)initWithModel:(MTLModel<MTLJSONSerializing> *)model;
-
-// Serializes the receiver's `model` into JSON.
-//
-// Returns a JSON dictionary, or nil if a serialization error occurred.
- (NSDictionary *)JSONDictionary;
-
-// Looks up the JSON key path in the model's +propertyKeys.
-//
-// Subclasses may override this method to customize the adapter's seralizing
-// behavior. You should not call this method directly.
-//
-// key - The property key to retrieve the corresponding JSON key path for. This
-//       argument must not be nil.
-//
-// Returns a key path to use, or nil to omit the property from JSON.
- (NSString *)JSONKeyPathForPropertyKey:(NSString *)key;
-
-@end
-
-@interface MTLJSONAdapter (Deprecated)
-
-+ (id)modelOfClass:(Class)modelClass fromJSONDictionary:(NSDictionary *)JSONDictionary __attribute__((deprecated("Replaced by +modelOfClass:fromJSONDictionary:error:")));
- (id)initWithJSONDictionary:(NSDictionary *)JSONDictionary modelClass:(Class)modelClass __attribute__((deprecated("Replaced by -initWithJSONDictionary:modelClass:error:")));
-
-@end
@@ -1,215 +0,0 @@
-//
-//  MTLManagedObjectAdapter.h
-//  Mantle
-//
-//  Created by Justin Spahr-Summers on 2013-03-29.
-//  Copyright (c) 2013 GitHub. All rights reserved.
-//
-
-#import <CoreData/CoreData.h>
-
-@class MTLModel;
-
-// A MTLModel object that supports being serialized to and from Core Data as an
-// NSManagedObject.
-@protocol MTLManagedObjectSerializing
-@required
-
-// The name of the Core Data entity that the receiver serializes to and
-// deserializes from.
-//
-// This method must not return nil.
-+ (NSString *)managedObjectEntityName;
-
-// Specifies how to map property keys to different keys on the receiver's
-// +managedObjectEntity.
-//
-// Entity attributes will be mapped to and from the receiver's properties using
-// +entityAttributeTransformerForKey:. Entity relationships will be mapped to
-// and from MTLModel objects using +relationshipModelClassesByPropertyKey.
-// Fetched properties are not supported.
-//
-// Subclasses overriding this method should combine their values with those of
-// `super`.
-//
-// Any property keys not present in the dictionary are assumed to match the
-// entity key that should be used. Any keys associated with NSNull will not
-// participate in managed object serialization.
-//
-// Returns a dictionary mapping property keys to entity keys (as strings) or
-// NSNull values.
-+ (NSDictionary *)managedObjectKeysByPropertyKey;
-
-@optional
-
-// Specifies a set of property keys used by the adapter to check for an already
-// existing managed object when converting the MTLModel to its related
-// NSManagedObject.
-//
-// The adapter will first map any keys provided by this method to the correct
-// keys in managedObjectKeysByPropertyKey.
-//
-// The adapter will then perform a fetch request in the provided context for a
-// managed object that matches the MTLModel's managedObjectEntityName and has
-// equal values set for the property keys on the MTLModel.
-//
-// The managed object returned by the fetch request will then be set with all
-// values from the MTLModel that the managed object is being converted from.
-//
-// If a property value of our MTLModel is yet another MTLModel which needs to be
-// converted to a managed object, the class for that MTLModel can also implement
-// this method to perform its own uniqing.
-//
-// For example:
-// 1. An MTLModel subclass has id_number = 10.
-// 2. An NSManagedObject accessible to the adapter's context has idnumber = 10.
-// 3. managedObjectKeysByPropertyKey returns @{@"id_number" : @"idnumber"}
-// 4. propertyKeysForManagedObjectUniquing returns
-//    [NSSet setWithObject:@"id_number"];
-// 5. Then our fetch request may return this managed object (or another managed
-//    object with idnumber = 10).
-//
-// NOTE: If multiple managed objects follow the same uniquing criteria only one
-// of them will be set with our MTLModel's values.
-+ (NSSet *)propertyKeysForManagedObjectUniquing;
-
-// Specifies how to convert the given property key to a managed object
-// attribute. If reversible, the transformer will also be used to convert the
-// managed object attribute back to the property.
-//
-// If the receiver implements a `+<key>EntityAttributeTransformer` method,
-// MTLManagedObjectAdapter will use the result of that method instead.
-//
-// Returns a value transformer, or nil if no transformation should be performed.
-+ (NSValueTransformer *)entityAttributeTransformerForKey:(NSString *)key;
-
-// Specifies the MTLModel subclasses that should be deserialized to the
-// receiver's property keys when a property key corresponds to an entity
-// relationship.
-//
-// In other words, the dictionary returned by this method is used to decode
-// managed object relationships into MTLModels (or NSArrays or NSSets thereof)
-// set on the receiver.
-//
-// If a property key is omitted from the returned dictionary, but present in
-// +managedObjectKeysByPropertyKey, and the receiver's +managedObjectEntity has
-// a relationship at the corresponding key, an exception will be thrown during
-// deserialization.
-//
-// Subclasses overriding this method should combine their values with those of
-// `super`.
-//
-// Returns a dictionary mapping property keys to the Class objects that should
-// be used.
-+ (NSDictionary *)relationshipModelClassesByPropertyKey;
-
-// Overridden to deserialize a different class instead of the receiver, based on
-// information in the provided object.
-//
-// This is mostly useful for class clusters, where the abstract base class would
-// be passed into +[MTLManagedObjectAdapter
-// modelOfClass:fromManagedObject:error:], but a subclass should be instantiated
-// instead.
-//
-// managedObject - The object that will be deserialized.
-//
-// Returns the class that should be instantiated (which may be the receiver), or
-// nil to abort parsing (e.g., if the data is invalid).
-+ (Class)classForDeserializingManagedObject:(NSManagedObject *)managedObject;
-
-// Overriden when merging the value of the given key on the receiver with the
-// value of the same key from the given `NSManagedObject` requires custom
-// handling.
-//
-// By default, this method is not implemented, and precedence will be given to
-// the value of the receiving model implicitly.
-//
-// When implemented, this method is called when an existing `NSManagedObject`
-// is found for the receiving model, before updating the `NSManagedObject`'s
-// properties.
-//
-// When implementing, you should use `+managedObjectKeysByPropertyKey` to map
-// the given `key` to the appropriate `NSManagedObject` property.
- (void)mergeValueForKey:(NSString *)key fromManagedObject:(NSManagedObject *)managedObject;
-
-// Overriden when merging values on the receiver with the given
-// `NSManagedObject` requires custom handling.
-//
-// By default, this method is not implemented, and precedence will be given to
-// the values of the receiving model implicitly.
-//
-// When implemented, this method is called when an existing `NSManagedObject`
-// is found for the receiving model, before updating the `NSManagedObject`'s
-// properties.
-//
-// When implementing, you should use `+managedObjectKeysByPropertyKey` to map
-// the given `key` to the appropriate `NSManagedObject` property.
-//
-// If you have also implemented `mergeValueForKey:fromManagedObject:` you have
-// to make sure to call `mergeValueForKey:fromManagedObject:` from this method
-// when appropriate.
- (void)mergeValuesForKeysFromManagedObject:(NSManagedObject *)managedObject;
-
-@end
-
-// The domain for errors originating from MTLManagedObjectAdapter.
-extern NSString * const MTLManagedObjectAdapterErrorDomain;
-
-// +classForDeserializingManagedObject: returned nil for the given object.
-extern const NSInteger MTLManagedObjectAdapterErrorNoClassFound;
-
-// An NSManagedObject failed to initialize.
-extern const NSInteger MTLManagedObjectAdapterErrorInitializationFailed;
-
-// The managed object key specified by +managedObjectKeysByPropertyKey does not
-// exist in the NSEntityDescription.
-extern const NSInteger MTLManagedObjectAdapterErrorInvalidManagedObjectKey;
-
-// The managed object property specified has a type that isn't supported by
-// MTLManagedObjectAdapter.
-extern const NSInteger MTLManagedObjectAdapterErrorUnsupportedManagedObjectPropertyType;
-
-// The fetch request to find an existing managed object based on
-// `+propertyKeysForManagedObjectUniquing` failed.
-extern const NSInteger MTLManagedObjectAdapterErrorUniqueFetchRequestFailed;
-
-// A MTLModel property cannot be serialized to or deserialized from an
-// NSManagedObject relationship.
-//
-// For a to-one relationship, this means that the property does not contain
-// a MTLModel, or the MTLModel does not conform to <MTLManagedObjectSerializing>.
-//
-// For a to-many relationship, this means that the property does not contain an
-// NSArray or NSSet of MTLModel<MTLManagedObjectSerializing> instances.
-extern const NSInteger MTLManagedObjectAdapterErrorUnsupportedRelationshipClass;
-
-// The model's implementation of +managedObjectKeysByPropertyKey included a key
-// which does not actually exist in +propertyKeys.
-extern const NSInteger MTLManagedObjectAdapterErrorInvalidManagedObjectMapping;
-
-// Converts a MTLModel object to and from an NSManagedObject.
-@interface MTLManagedObjectAdapter : NSObject
-
-// Attempts to deserialize an NSManagedObject into a MTLModel object.
-//
-// modelClass    - The MTLModel subclass to return. This class must conform to
-//                 <MTLManagedObjectSerializing>. This argument must not be nil.
-// managedObject - The managed object to deserialize. If this argument is nil,
-//                 the method returns nil.
-// error         - If not NULL, this may be set to an error that occurs during
-//                 deserialization or initializing an instance of `modelClass`.
-//
-// Returns an instance of `modelClass` upon success, or nil if an error
-// occurred.
-+ (id)modelOfClass:(Class)modelClass fromManagedObject:(NSManagedObject *)managedObject error:(NSError **)error;
-
-// Serializes a MTLModel into an NSManagedObject.
-//
-// model   - The model object to serialize. This argument must not be nil.
-// context - The context into which to insert the created managed object. This
-//           argument must not be nil.
-// error   - If not NULL, this may be set to an error that occurs during
-//           serialization or insertion.
-+ (id)managedObjectFromModel:(MTLModel<MTLManagedObjectSerializing> *)model insertingIntoContext:(NSManagedObjectContext *)context error:(NSError **)error;
-
-@end
@@ -1,128 +0,0 @@
-//
-//  MTLModel+NSCoding.h
-//  Mantle
-//
-//  Created by Justin Spahr-Summers on 2013-02-12.
-//  Copyright (c) 2013 GitHub. All rights reserved.
-//
-
-#import "MTLModel.h"
-
-// Defines how a MTLModel property key should be encoded into an archive.
-//
-// MTLModelEncodingBehaviorExcluded      - The property should never be encoded.
-// MTLModelEncodingBehaviorUnconditional - The property should always be
-//                                         encoded.
-// MTLModelEncodingBehaviorConditional   - The object should be encoded only
-//                                         if unconditionally encoded elsewhere.
-//                                         This should only be used for object
-//                                         properties.
-typedef enum : NSUInteger {
-    MTLModelEncodingBehaviorExcluded = 0,
-    MTLModelEncodingBehaviorUnconditional,
-    MTLModelEncodingBehaviorConditional,
-} MTLModelEncodingBehavior;
-
-// Implements default archiving and unarchiving behaviors for MTLModel.
-@interface MTLModel (NSCoding) <NSCoding>
-
-// Initializes the receiver from an archive.
-//
-// This will decode the original +modelVersion of the archived object, then
-// invoke -decodeValueForKey:withCoder:modelVersion: for each of the receiver's
-// +propertyKeys.
-//
-// Returns an initialized model object, or nil if a decoding error occurred.
- (id)initWithCoder:(NSCoder *)coder;
-
-// Archives the receiver using the given coder.
-//
-// This will encode the receiver's +modelVersion, then the receiver's properties
-// according to the behaviors specified in +encodingBehaviorsByPropertyKey.
- (void)encodeWithCoder:(NSCoder *)coder;
-
-// Determines how the +propertyKeys of the class are encoded into an archive.
-// The values of this dictionary should be boxed MTLModelEncodingBehavior
-// values.
-//
-// Any keys not present in the dictionary will be excluded from the archive.
-//
-// Subclasses overriding this method should combine their values with those of
-// `super`.
-//
-// Returns a dictionary mapping the receiver's +propertyKeys to default encoding
-// behaviors. If a property is an object with `weak` semantics, the default
-// behavior is MTLModelEncodingBehaviorConditional; otherwise, the default is
-// MTLModelEncodingBehaviorUnconditional.
-+ (NSDictionary *)encodingBehaviorsByPropertyKey;
-
-// Determines the classes that are allowed to be decoded for each of the
-// receiver's properties when using <NSSecureCoding>. The values of this
-// dictionary should be NSArrays of Class objects.
-//
-// If any encodable keys (as determined by +encodingBehaviorsByPropertyKey) are
-// not present in the dictionary, an exception will be thrown during secure
-// encoding or decoding.
-//
-// Subclasses overriding this method should combine their values with those of
-// `super`.
-//
-// Returns a dictionary mapping the receiver's encodable keys (as determined by
-// +encodingBehaviorsByPropertyKey) to default allowed classes, based on the
-// type that each property is declared as. If type of an encodable property
-// cannot be determined (e.g., it is declared as `id`), it will be omitted from
-// the dictionary, and subclasses must provide a valid value to prevent an
-// exception being thrown during encoding/decoding.
-+ (NSDictionary *)allowedSecureCodingClassesByPropertyKey;
-
-// Decodes the value of the given property key from an archive.
-//
-// By default, this method looks for a `-decode<Key>WithCoder:modelVersion:`
-// method on the receiver, and invokes it if found.
-//
-// If the custom method is not implemented and `coder` does not require secure
-// coding, `-[NSCoder decodeObjectForKey:]` will be invoked with the given
-// `key`.
-//
-// If the custom method is not implemented and `coder` requires secure coding,
-// `-[NSCoder decodeObjectOfClasses:forKey:]` will be invoked with the
-// information from +allowedSecureCodingClassesByPropertyKey and the given `key`. The
-// receiver must conform to <NSSecureCoding> for this to work correctly.
-//
-// key          - The property key to decode the value for. This argument cannot
-//                be nil.
-// coder        - The NSCoder representing the archive being decoded. This
-//                argument cannot be nil.
-// modelVersion - The version of the original model object that was encoded.
-//
-// Returns the decoded and boxed value, or nil if the key was not present.
- (id)decodeValueForKey:(NSString *)key withCoder:(NSCoder *)coder modelVersion:(NSUInteger)modelVersion;
-
-// The version of this MTLModel subclass.
-//
-// This version number is saved in archives so that later model changes can be
-// made backwards-compatible with old versions.
-//
-// Subclasses should override this method to return a higher version number
-// whenever a breaking change is made to the model.
-//
-// Returns 0.
-+ (NSUInteger)modelVersion;
-
-@end
-
-// This method must be overridden to support archives created by older versions
-// of Mantle (before the `MTLModel+NSCoding` interface existed).
-@interface MTLModel (OldArchiveSupport)
-
-// Converts an archived external representation to a dictionary suitable for
-// passing to -initWithDictionary:.
-//
-// externalRepresentation - The decoded external representation of the receiver.
-// fromVersion            - The model version at the time the external
-//                          representation was encoded.
-//
-// Returns nil by default, indicating that conversion failed.
-+ (NSDictionary *)dictionaryValueFromArchivedExternalRepresentation:(NSDictionary *)externalRepresentation version:(NSUInteger)fromVersion;
-
-@end
@@ -1,125 +0,0 @@
-//
-//  MTLModel.h
-//  Mantle
-//
-//  Created by Justin Spahr-Summers on 2012-09-11.
-//  Copyright (c) 2012 GitHub. All rights reserved.
-//
-
-#import <Foundation/Foundation.h>
-
-// An abstract base class for model objects, using reflection to provide
-// sensible default behaviors.
-//
-// The default implementations of <NSCopying>, -hash, and -isEqual: make use of
-// the +propertyKeys method.
-@interface MTLModel : NSObject <NSCopying>
-
-// Returns a new instance of the receiver initialized using
-// -initWithDictionary:error:.
-+ (instancetype)modelWithDictionary:(NSDictionary *)dictionaryValue error:(NSError **)error;
-
-// Initializes the receiver with default values.
-//
-// This is the designated initializer for this class.
- (instancetype)init;
-
-// Initializes the receiver using key-value coding, setting the keys and values
-// in the given dictionary.
-//
-// Subclass implementations may override this method, calling the super
-// implementation, in order to perform further processing and initialization
-// after deserialization.
-//
-// dictionaryValue - Property keys and values to set on the receiver. Any NSNull
-//                   values will be converted to nil before being used. KVC
-//                   validation methods will automatically be invoked for all of
-//                   the properties given. If nil, this method is equivalent to
-//                   -init.
-// error           - If not NULL, this may be set to any error that occurs
-//                   (like a KVC validation error).
-//
-// Returns an initialized model object, or nil if validation failed.
- (instancetype)initWithDictionary:(NSDictionary *)dictionaryValue error:(NSError **)error;
-
-// Returns the keys for all @property declarations, except for `readonly`
-// properties without ivars, or properties on MTLModel itself.
-+ (NSSet *)propertyKeys;
-
-// A dictionary representing the properties of the receiver.
-//
-// The default implementation combines the values corresponding to all
-// +propertyKeys into a dictionary, with any nil values represented by NSNull.
-//
-// This property must never be nil.
-@property (nonatomic, copy, readonly) NSDictionary *dictionaryValue;
-
-// Merges the value of the given key on the receiver with the value of the same
-// key from the given model object, giving precedence to the other model object.
-//
-// By default, this method looks for a `-merge<Key>FromModel:` method on the
-// receiver, and invokes it if found. If not found, and `model` is not nil, the
-// value for the given key is taken from `model`.
- (void)mergeValueForKey:(NSString *)key fromModel:(MTLModel *)model;
-
-// Merges the values of the given model object into the receiver, using
-// -mergeValueForKey:fromModel: for each key in +propertyKeys.
-//
-// `model` must be an instance of the receiver's class or a subclass thereof.
- (void)mergeValuesForKeysFromModel:(MTLModel *)model;
-
-// Compares the receiver with another object for equality.
-//
-// The default implementation is equivalent to comparing both models'
-// -dictionaryValue.
-//
-// Note that this may lead to infinite loops if the receiver holds a circular
-// reference to another MTLModel and both use the default behavior.
-// It is recommended to override -isEqual: in this scenario.
- (BOOL)isEqual:(id)object;
-
-// A string that describes the contents of the receiver.
-//
-// The default implementation is based on the receiver's class and its
-// -dictionaryValue.
-//
-// Note that this may lead to infinite loops if the receiver holds a circular
-// reference to another MTLModel and both use the default behavior.
-// It is recommended to override -description in this scenario.
- (NSString *)description;
-
-@end
-
-// Implements validation logic for MTLModel.
-@interface MTLModel (Validation)
-
-// Validates the model.
-//
-// The default implementation simply invokes -validateValue:forKey:error: with
-// all +propertyKeys and their current value. If -validateValue:forKey:error:
-// returns a new value, the property is set to that new value.
-//
-// error - If not NULL, this may be set to any error that occurs during
-//         validation
-//
-// Returns YES if the model is valid, or NO if the validation failed.
- (BOOL)validate:(NSError **)error;
-
-@end
-
-@interface MTLModel (Unavailable)
-
-+ (instancetype)modelWithDictionary:(NSDictionary *)dictionaryValue __attribute__((deprecated("Replaced by +modelWithDictionary:error:")));
- (instancetype)initWithDictionary:(NSDictionary *)dictionaryValue __attribute__((deprecated("Replaced by -initWithDictionary:error:")));
-
-+ (instancetype)modelWithExternalRepresentation:(NSDictionary *)externalRepresentation __attribute__((deprecated("Replaced by -[MTLJSONAdapter initWithJSONDictionary:modelClass:]")));
- (instancetype)initWithExternalRepresentation:(NSDictionary *)externalRepresentation __attribute__((deprecated("Replaced by -[MTLJSONAdapter initWithJSONDictionary:modelClass:]")));
-
-@property (nonatomic, copy, readonly) NSDictionary *externalRepresentation __attribute__((deprecated("Replaced by MTLJSONAdapter.JSONDictionary")));
-
-+ (NSDictionary *)externalRepresentationKeyPathsByPropertyKey __attribute__((deprecated("Replaced by +JSONKeyPathsByPropertyKey in <MTLJSONSerializing>")));
-+ (NSValueTransformer *)transformerForKey:(NSString *)key __attribute__((deprecated("Replaced by +JSONTransformerForKey: in <MTLJSONSerializing>")));
-
-+ (NSDictionary *)migrateExternalRepresentation:(NSDictionary *)externalRepresentation fromVersion:(NSUInteger)fromVersion __attribute__((deprecated("Replaced by -decodeValueForKey:withCoder:modelVersion:")));
-
-@end
@@ -1,29 +0,0 @@
-//
-//  MTLValueTransformer.h
-//  Mantle
-//
-//  Created by Justin Spahr-Summers on 2012-09-11.
-//  Copyright (c) 2012 GitHub. All rights reserved.
-//
-
-#import <Foundation/Foundation.h>
-
-typedef id (^MTLValueTransformerBlock)(id);
-
-//
-// A value transformer supporting block-based transformation.
-//
-@interface MTLValueTransformer : NSValueTransformer
-
-// Returns a transformer which transforms values using the given block. Reverse
-// transformations will not be allowed.
-+ (instancetype)transformerWithBlock:(MTLValueTransformerBlock)transformationBlock;
-
-// Returns a transformer which transforms values using the given block, for
-// forward or reverse transformations.
-+ (instancetype)reversibleTransformerWithBlock:(MTLValueTransformerBlock)transformationBlock;
-
-// Returns a transformer which transforms values using the given blocks.
-+ (instancetype)reversibleTransformerWithForwardBlock:(MTLValueTransformerBlock)forwardBlock reverseBlock:(MTLValueTransformerBlock)reverseBlock;
-
-@end
@@ -1,26 +0,0 @@
-//
-//  Mantle.h
-//  Mantle
-//
-//  Created by Justin Spahr-Summers on 2012-09-04.
-//  Copyright (c) 2012 GitHub. All rights reserved.
-//
-
-#import <Foundation/Foundation.h>
-
-//! Project version number for Mantle.
-FOUNDATION_EXPORT double MantleVersionNumber;
-
-//! Project version string for Mantle.
-FOUNDATION_EXPORT const unsigned char MantleVersionString[];
-
-#import <Mantle/MTLJSONAdapter.h>
-#import <Mantle/MTLManagedObjectAdapter.h>
-#import <Mantle/MTLModel.h>
-#import <Mantle/MTLModel+NSCoding.h>
-#import <Mantle/MTLValueTransformer.h>
-#import <Mantle/NSArray+MTLManipulationAdditions.h>
-#import <Mantle/NSDictionary+MTLManipulationAdditions.h>
-#import <Mantle/NSObject+MTLComparisonAdditions.h>
-#import <Mantle/NSValueTransformer+MTLInversionAdditions.h>
-#import <Mantle/NSValueTransformer+MTLPredefinedTransformerAdditions.h>
@@ -1,28 +0,0 @@
-//
-//  NSArray+MTLManipulationAdditions.h
-//  Mantle
-//
-//  Created by Josh Abernathy on 9/19/12.
-//  Copyright (c) 2012 GitHub. All rights reserved.
-//
-
-#import <Foundation/Foundation.h>
-
-@interface NSArray (MTLManipulationAdditions)
-
-// The first object in the array or nil if the array is empty.
-// Forwards to `firstObject` which has been first declared in iOS7, but works with iOS4/10.6.
-@property (nonatomic, readonly, strong) id mtl_firstObject;
-
-// Returns a new array without all instances of the given object.
- (NSArray *)mtl_arrayByRemovingObject:(id)object;
-
-// Returns a new array without the first object. If the array is empty, it
-// returns the empty array.
- (NSArray *)mtl_arrayByRemovingFirstObject;
-
-// Returns a new array without the last object. If the array is empty, it
-// returns the empty array.
- (NSArray *)mtl_arrayByRemovingLastObject;
-
-@end
@@ -1,25 +0,0 @@
-//
-//  NSDictionary+MTLManipulationAdditions.h
-//  Mantle
-//
-//  Created by Justin Spahr-Summers on 2012-09-24.
-//  Copyright (c) 2012 GitHub. All rights reserved.
-//
-
-#import <Foundation/Foundation.h>
-
-@interface NSDictionary (MTLManipulationAdditions)
-
-// Merges the keys and values from the given dictionary into the receiver. If
-// both the receiver and `dictionary` have a given key, the value from
-// `dictionary` is used.
-//
-// Returns a new dictionary containing the entries of the receiver combined with
-// those of `dictionary`.
- (NSDictionary *)mtl_dictionaryByAddingEntriesFromDictionary:(NSDictionary *)dictionary;
-
-// Creates a new dictionary with all the entries for the given keys removed from
-// the receiver.
- (NSDictionary *)mtl_dictionaryByRemovingEntriesWithKeys:(NSSet *)keys;
-
-@end
@@ -1,15 +0,0 @@
-//
-//  NSObject+MTLComparisonAdditions.h
-//  Mantle
-//
-//  Created by Josh Vera on 10/26/12.
-//  Copyright (c) 2012 GitHub. All rights reserved.
-//
-//  Portions copyright (c) 2011 Bitswift. All rights reserved.
-//  See the LICENSE file for more information.
-//
-
-#import <Foundation/Foundation.h>
-
-// Returns whether both objects are identical or equal via -isEqual:
-BOOL MTLEqualObjects(id obj1, id obj2);
@@ -1,21 +0,0 @@
-//
-//  NSValueTransformer+MTLInversionAdditions.h
-//  Mantle
-//
-//  Created by Justin Spahr-Summers on 2013-05-18.
-//  Copyright (c) 2013 GitHub. All rights reserved.
-//
-
-#import <Foundation/Foundation.h>
-
-@interface NSValueTransformer (MTLInversionAdditions)
-
-// Flips the direction of the receiver's transformation, such that
-// -transformedValue: will become -reverseTransformedValue:, and vice-versa.
-//
-// The receiver must allow reverse transformation.
-//
-// Returns an inverted transformer.
- (NSValueTransformer *)mtl_invertedTransformer;
-
-@end
@@ -1,84 +0,0 @@
-//
-//  NSValueTransformer+MTLPredefinedTransformerAdditions.h
-//  Mantle
-//
-//  Created by Justin Spahr-Summers on 2012-09-27.
-//  Copyright (c) 2012 GitHub. All rights reserved.
-//
-
-#import <Foundation/Foundation.h>
-
-// The name for a value transformer that converts strings into URLs and back.
-extern NSString * const MTLURLValueTransformerName;
-
-// Ensure an NSNumber is backed by __NSCFBoolean/CFBooleanRef
-//
-// NSJSONSerialization, and likely other serialization libraries, ordinarily
-// serialize NSNumbers as numbers, and thus booleans would be serialized as
-// 0/1. The exception is when the NSNumber is backed by __NSCFBoolean, which,
-// though very much an implementation detail, is detected and serialized as a
-// proper boolean.
-extern NSString * const MTLBooleanValueTransformerName;
-
-@interface NSValueTransformer (MTLPredefinedTransformerAdditions)
-
-// Creates a reversible transformer to convert a JSON dictionary into a MTLModel
-// object, and vice-versa.
-//
-// modelClass - The MTLModel subclass to attempt to parse from the JSON. This
-//              class must conform to <MTLJSONSerializing>. This argument must
-//              not be nil.
-//
-// Returns a reversible transformer which uses MTLJSONAdapter for transforming
-// values back and forth.
-+ (NSValueTransformer *)mtl_JSONDictionaryTransformerWithModelClass:(Class)modelClass;
-
-// Creates a reversible transformer to convert an array of JSON dictionaries
-// into an array of MTLModel objects, and vice-versa.
-//
-// modelClass - The MTLModel subclass to attempt to parse from each JSON
-//              dictionary. This class must conform to <MTLJSONSerializing>.
-//              This argument must not be nil.
-//
-// Returns a reversible transformer which uses MTLJSONAdapter for transforming
-// array elements back and forth.
-+ (NSValueTransformer *)mtl_JSONArrayTransformerWithModelClass:(Class)modelClass;
-
-// A reversible value transformer to transform between the keys and objects of a
-// dictionary.
-//
-// dictionary          - The dictionary whose keys and values should be
-//                       transformed between. This argument must not be nil.
-// defaultValue        - The result to fall back to, in case no key matching the
-//                       input value was found during a forward transformation.
-// reverseDefaultValue - The result to fall back to, in case no value matching
-//                       the input value was found during a reverse
-//                       transformation.
-//
-// Can for example be used for transforming between enum values and their string
-// representation.
-//
-//   NSValueTransformer *valueTransformer = [NSValueTransformer mtl_valueMappingTransformerWithDictionary:@{
-//     @"foo": @(EnumDataTypeFoo),
-//     @"bar": @(EnumDataTypeBar),
-//   } defaultValue: @(EnumDataTypeUndefined) reverseDefaultValue: @"undefined"];
-//
-// Returns a transformer that will map from keys to values in dictionary
-// for forward transformation, and from values to keys for reverse
-// transformations. If no matching key or value can be found, the respective
-// default value is returned.
-+ (NSValueTransformer *)mtl_valueMappingTransformerWithDictionary:(NSDictionary *)dictionary defaultValue:(id)defaultValue reverseDefaultValue:(id)reverseDefaultValue;
-
-// Returns a value transformer created by calling
-// `+mtl_valueMappingTransformerWithDictionary:defaultValue:reverseDefaultValue:`
-// with a default value of `nil` and a reverse default value of `nil`.
-+ (NSValueTransformer *)mtl_valueMappingTransformerWithDictionary:(NSDictionary *)dictionary;
-
-@end
-
-@interface NSValueTransformer (UnavailableMTLPredefinedTransformerAdditions)
-
-+ (NSValueTransformer *)mtl_externalRepresentationTransformerWithModelClass:(Class)modelClass __attribute__((deprecated("Replaced by +mtl_JSONDictionaryTransformerWithModelClass:")));
-+ (NSValueTransformer *)mtl_externalRepresentationArrayTransformerWithModelClass:(Class)modelClass __attribute__((deprecated("Replaced by +mtl_JSONArrayTransformerWithModelClass:")));
-
-@end
@@ -1,6 +0,0 @@
-framework module Mantle {
-  umbrella header "Mantle.h"
-
-  export *
-  module * { export * }
-}
@@ -1,49 +0,0 @@
-<?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>BuildMachineOSBuild</key>
-	<string>16F2104</string>
-	<key>CFBundleDevelopmentRegion</key>
-	<string>en</string>
-	<key>CFBundleExecutable</key>
-	<string>Mantle</string>
-	<key>CFBundleIdentifier</key>
-	<string>org.mantle.Mantle</string>
-	<key>CFBundleInfoDictionaryVersion</key>
-	<string>6.0</string>
-	<key>CFBundleName</key>
-	<string>Mantle</string>
-	<key>CFBundlePackageType</key>
-	<string>FMWK</string>
-	<key>CFBundleShortVersionString</key>
-	<string>1.0</string>
-	<key>CFBundleSignature</key>
-	<string>????</string>
-	<key>CFBundleSupportedPlatforms</key>
-	<array>
-		<string>MacOSX</string>
-	</array>
-	<key>CFBundleVersion</key>
-	<string></string>
-	<key>DTCompiler</key>
-	<string>com.apple.compilers.llvm.clang.1_0</string>
-	<key>DTPlatformBuild</key>
-	<string>8E3004b</string>
-	<key>DTPlatformVersion</key>
-	<string>GM</string>
-	<key>DTSDKBuild</key>
-	<string>16E185</string>
-	<key>DTSDKName</key>
-	<string>macosx10.12</string>
-	<key>DTXcode</key>
-	<string>0833</string>
-	<key>DTXcodeBuild</key>
-	<string>8E3004b</string>
-	<key>UIDeviceFamily</key>
-	<array>
-		<integer>1</integer>
-		<integer>2</integer>
-	</array>
-</dict>
-</plist>
@@ -1,264 +0,0 @@
-<?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>files</key>
-	<dict>
-		<key>Resources/Info.plist</key>
-		<data>
-		5gOxsGY3VGVvebnR8eP1z3BDrls=
-		</data>
-	</dict>
-	<key>files2</key>
-	<dict>
-		<key>Headers/MTLJSONAdapter.h</key>
-		<dict>
-			<key>hash</key>
-			<data>
-			HIypP9pGI7Wk97RKy3thGsC7LSg=
-			</data>
-			<key>hash2</key>
-			<data>
-			YhksDrIzFk7TQllZD4eF2qEubtCfFlDrddfBeJEvpoc=
-			</data>
-		</dict>
-		<key>Headers/MTLManagedObjectAdapter.h</key>
-		<dict>
-			<key>hash</key>
-			<data>
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-			</data>
-		</dict>
-		<key>Headers/MTLModel+NSCoding.h</key>
-		<dict>
-			<key>hash</key>
-			<data>
-			2tdybjH/C8ZU8VcZrX4oliXkuM8=
-			</data>
-			<key>hash2</key>
-			<data>
-			QuzPKm76puk2/uZN0s9Jqn7g5AFF6xFbnBsN450IXfc=
-			</data>
-		</dict>
-		<key>Headers/MTLModel.h</key>
-		<dict>
-			<key>hash</key>
-			<data>
-			9c2w4hZo7o/vLu/3TaZ2vXXjwxc=
-			</data>
-			<key>hash2</key>
-			<data>
-			2JEc6fCePU0odH+dDY8947O0/wS1Ey96Vuun1HCP564=
-			</data>
-		</dict>
-		<key>Headers/MTLValueTransformer.h</key>
-		<dict>
-			<key>hash</key>
-			<data>
-			m6veNGSL5/Kif8yDXH5zU+2CaK8=
-			</data>
-			<key>hash2</key>
-			<data>
-			AnO4t0Ur5lBz44l14XRXgB3g6JEiUE1JBfPdvV+H7fA=
-			</data>
-		</dict>
-		<key>Headers/Mantle.h</key>
-		<dict>
-			<key>hash</key>
-			<data>
-			TYIHtg+qqzl8yG0InqTB7Oyr63A=
-			</data>
-			<key>hash2</key>
-			<data>
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-			</data>
-		</dict>
-		<key>Headers/NSArray+MTLManipulationAdditions.h</key>
-		<dict>
-			<key>hash</key>
-			<data>
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-			</data>
-		</dict>
-		<key>Headers/NSDictionary+MTLManipulationAdditions.h</key>
-		<dict>
-			<key>hash</key>
-			<data>
-			bqGP1ngOZeJ16AY5Vi/2ObZCmlw=
-			</data>
-			<key>hash2</key>
-			<data>
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-		</dict>
-		<key>Headers/NSObject+MTLComparisonAdditions.h</key>
-		<dict>
-			<key>hash</key>
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-		</dict>
-		<key>Headers/NSValueTransformer+MTLInversionAdditions.h</key>
-		<dict>
-			<key>hash</key>
-			<data>
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-		<key>Headers/NSValueTransformer+MTLPredefinedTransformerAdditions.h</key>
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-		</dict>
-		<key>Modules/module.modulemap</key>
-		<dict>
-			<key>hash</key>
-			<data>
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-		<key>Resources/Info.plist</key>
-		<dict>
-			<key>hash</key>
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-		</dict>
-	</dict>
-	<key>rules</key>
-	<dict>
-		<key>^Resources/</key>
-		<true/>
-		<key>^Resources/.*\.lproj/</key>
-		<dict>
-			<key>optional</key>
-			<true/>
-			<key>weight</key>
-			<real>1000</real>
-		</dict>
-		<key>^Resources/.*\.lproj/locversion.plist$</key>
-		<dict>
-			<key>omit</key>
-			<true/>
-			<key>weight</key>
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-		<key>^Resources/Base\.lproj/</key>
-		<dict>
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-		</dict>
-		<key>^version.plist$</key>
-		<true/>
-	</dict>
-	<key>rules2</key>
-	<dict>
-		<key>.*\.dSYM($|/)</key>
-		<dict>
-			<key>weight</key>
-			<real>11</real>
-		</dict>
-		<key>^(.*/)?\.DS_Store$</key>
-		<dict>
-			<key>omit</key>
-			<true/>
-			<key>weight</key>
-			<real>2000</real>
-		</dict>
-		<key>^(Frameworks|SharedFrameworks|PlugIns|Plug-ins|XPCServices|Helpers|MacOS|Library/(Automator|Spotlight|LoginItems))/</key>
-		<dict>
-			<key>nested</key>
-			<true/>
-			<key>weight</key>
-			<real>10</real>
-		</dict>
-		<key>^.*</key>
-		<true/>
-		<key>^Info\.plist$</key>
-		<dict>
-			<key>omit</key>
-			<true/>
-			<key>weight</key>
-			<real>20</real>
-		</dict>
-		<key>^PkgInfo$</key>
-		<dict>
-			<key>omit</key>
-			<true/>
-			<key>weight</key>
-			<real>20</real>
-		</dict>
-		<key>^Resources/</key>
-		<dict>
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-		<key>^Resources/.*\.lproj/</key>
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-			<key>weight</key>
-			<real>1000</real>
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-		<key>^Resources/.*\.lproj/locversion.plist$</key>
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-			<key>weight</key>
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-		<key>^embedded\.provisionprofile$</key>
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-			<key>weight</key>
-			<real>20</real>
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-		<key>^version\.plist$</key>
-		<dict>
-			<key>weight</key>
-			<real>20</real>
-		</dict>
-	</dict>
-</dict>
-</plist>
@@ -1 +0,0 @@
-A
@@ -1 +0,0 @@
-Versions/Current/Headers
@@ -1 +0,0 @@
-Versions/Current/Modules
@@ -1 +0,0 @@
-Versions/Current/ReactiveCocoa
@@ -1 +0,0 @@
-Versions/Current/Resources
@@ -1,68 +0,0 @@
-//
-//  EXTKeyPathCoding.h
-//  extobjc
-//
-//  Created by Justin Spahr-Summers on 19.06.12.
-//  Copyright (C) 2012 Justin Spahr-Summers.
-//  Released under the MIT license.
-//
-
-#import <Foundation/Foundation.h>
-#import "metamacros.h"
-
-/**
- * \@keypath allows compile-time verification of key paths. Given a real object
- * receiver and key path:
- *
- * @code
-
-NSString *UTF8StringPath = @keypath(str.lowercaseString.UTF8String);
-// => @"lowercaseString.UTF8String"
-
-NSString *versionPath = @keypath(NSObject, version);
-// => @"version"
-
-NSString *lowercaseStringPath = @keypath(NSString.new, lowercaseString);
-// => @"lowercaseString"
-
- * @endcode
- *
- * ... the macro returns an \c NSString containing all but the first path
- * component or argument (e.g., @"lowercaseString.UTF8String", @"version").
- *
- * In addition to simply creating a key path, this macro ensures that the key
- * path is valid at compile-time (causing a syntax error if not), and supports
- * refactoring, such that changing the name of the property will also update any
- * uses of \@keypath.
- */
-#define keypath(...) \
-    metamacro_if_eq(1, metamacro_argcount(__VA_ARGS__))(keypath1(__VA_ARGS__))(keypath2(__VA_ARGS__))
-
-#define keypath1(PATH) \
-    (((void)(NO && ((void)PATH, NO)), strchr(# PATH, '.') + 1))
-
-#define keypath2(OBJ, PATH) \
-    (((void)(NO && ((void)OBJ.PATH, NO)), # PATH))
-
-/**
- * \@collectionKeypath allows compile-time verification of key paths across collections NSArray/NSSet etc. Given a real object
- * receiver, collection object receiver and related keypaths:
- *
- * @code
- 
- NSString *employessFirstNamePath = @collectionKeypath(department.employees, Employee.new, firstName)
- // => @"employees.firstName"
- 
- NSString *employessFirstNamePath = @collectionKeypath(Department.new, employees, Employee.new, firstName)
- // => @"employees.firstName"
-
- * @endcode
- *
- */
-#define collectionKeypath(...) \
-    metamacro_if_eq(3, metamacro_argcount(__VA_ARGS__))(collectionKeypath3(__VA_ARGS__))(collectionKeypath4(__VA_ARGS__))
-
-#define collectionKeypath3(PATH, COLLECTION_OBJECT, COLLECTION_PATH) ([[NSString stringWithFormat:@"%s.%s",keypath(PATH), keypath(COLLECTION_OBJECT, COLLECTION_PATH)] UTF8String])
-
-#define collectionKeypath4(OBJ, PATH, COLLECTION_OBJECT, COLLECTION_PATH) ([[NSString stringWithFormat:@"%s.%s",keypath(OBJ, PATH), keypath(COLLECTION_OBJECT, COLLECTION_PATH)] UTF8String])
-
@@ -1,118 +0,0 @@
-//
-//  EXTScope.h
-//  extobjc
-//
-//  Created by Justin Spahr-Summers on 2011-05-04.
-//  Copyright (C) 2012 Justin Spahr-Summers.
-//  Released under the MIT license.
-//
-
-#import "metamacros.h"
-
-/**
- * \@onExit defines some code to be executed when the current scope exits. The
- * code must be enclosed in braces and terminated with a semicolon, and will be
- * executed regardless of how the scope is exited, including from exceptions,
- * \c goto, \c return, \c break, and \c continue.
- *
- * Provided code will go into a block to be executed later. Keep this in mind as
- * it pertains to memory management, restrictions on assignment, etc. Because
- * the code is used within a block, \c return is a legal (though perhaps
- * confusing) way to exit the cleanup block early.
- *
- * Multiple \@onExit statements in the same scope are executed in reverse
- * lexical order. This helps when pairing resource acquisition with \@onExit
- * statements, as it guarantees teardown in the opposite order of acquisition.
- *
- * @note This statement cannot be used within scopes defined without braces
- * (like a one line \c if). In practice, this is not an issue, since \@onExit is
- * a useless construct in such a case anyways.
- */
-#define onExit \
-    rac_keywordify \
-    __strong rac_cleanupBlock_t metamacro_concat(rac_exitBlock_, __LINE__) __attribute__((cleanup(rac_executeCleanupBlock), unused)) = ^
-
-/**
- * Creates \c __weak shadow variables for each of the variables provided as
- * arguments, which can later be made strong again with #strongify.
- *
- * This is typically used to weakly reference variables in a block, but then
- * ensure that the variables stay alive during the actual execution of the block
- * (if they were live upon entry).
- *
- * See #strongify for an example of usage.
- */
-#define weakify(...) \
-    rac_keywordify \
-    metamacro_foreach_cxt(rac_weakify_,, __weak, __VA_ARGS__)
-
-/**
- * Like #weakify, but uses \c __unsafe_unretained instead, for targets or
- * classes that do not support weak references.
- */
-#define unsafeify(...) \
-    rac_keywordify \
-    metamacro_foreach_cxt(rac_weakify_,, __unsafe_unretained, __VA_ARGS__)
-
-/**
- * Strongly references each of the variables provided as arguments, which must
- * have previously been passed to #weakify.
- *
- * The strong references created will shadow the original variable names, such
- * that the original names can be used without issue (and a significantly
- * reduced risk of retain cycles) in the current scope.
- *
- * @code
-
-    id foo = [[NSObject alloc] init];
-    id bar = [[NSObject alloc] init];
-
-    @weakify(foo, bar);
-
-    // this block will not keep 'foo' or 'bar' alive
-    BOOL (^matchesFooOrBar)(id) = ^ BOOL (id obj){
-        // but now, upon entry, 'foo' and 'bar' will stay alive until the block has
-        // finished executing
-        @strongify(foo, bar);
-
-        return [foo isEqual:obj] || [bar isEqual:obj];
-    };
-
- * @endcode
- */
-#define strongify(...) \
-    rac_keywordify \
-    _Pragma("clang diagnostic push") \
-    _Pragma("clang diagnostic ignored \"-Wshadow\"") \
-    metamacro_foreach(rac_strongify_,, __VA_ARGS__) \
-    _Pragma("clang diagnostic pop")
-
-/*** implementation details follow ***/
-typedef void (^rac_cleanupBlock_t)();
-
-static inline void rac_executeCleanupBlock (__strong rac_cleanupBlock_t *block) {
-    (*block)();
-}
-
-#define rac_weakify_(INDEX, CONTEXT, VAR) \
-    CONTEXT __typeof__(VAR) metamacro_concat(VAR, _weak_) = (VAR);
-
-#define rac_strongify_(INDEX, VAR) \
-    __strong __typeof__(VAR) VAR = metamacro_concat(VAR, _weak_);
-
-// Details about the choice of backing keyword:
-//
-// The use of @try/@catch/@finally can cause the compiler to suppress
-// return-type warnings.
-// The use of @autoreleasepool {} is not optimized away by the compiler,
-// resulting in superfluous creation of autorelease pools.
-//
-// Since neither option is perfect, and with no other alternatives, the
-// compromise is to use @autorelease in DEBUG builds to maintain compiler
-// analysis, and to use @try/@catch otherwise to avoid insertion of unnecessary
-// autorelease pools.
-#if DEBUG
-#define rac_keywordify autoreleasepool {}
-#else
-#define rac_keywordify try {} @catch (...) {}
-#endif
@@ -1,20 +0,0 @@
-//
-//  NSArray+RACSequenceAdditions.h
-//  ReactiveCocoa
-//
-//  Created by Justin Spahr-Summers on 2012-10-29.
-//  Copyright (c) 2012 GitHub. All rights reserved.
-//
-
-#import <Foundation/Foundation.h>
-
-@class RACSequence;
-
-@interface NSArray (RACSequenceAdditions)
-
-/// Creates and returns a sequence corresponding to the receiver.
-///
-/// Mutating the receiver will not affect the sequence after it's been created.
-@property (nonatomic, copy, readonly) RACSequence *rac_sequence;
-
-@end
@@ -1,22 +0,0 @@
-//
-//  NSControl+RACCommandSupport.h
-//  ReactiveCocoa
-//
-//  Created by Josh Abernathy on 3/3/12.
-//  Copyright (c) 2012 GitHub, Inc. All rights reserved.
-//
-
-#import <Cocoa/Cocoa.h>
-
-@class RACCommand;
-
-@interface NSControl (RACCommandSupport)
-
-/// Sets the control's command. When the control is clicked, the command is
-/// executed with the sender of the event. The control's enabledness is bound
-/// to the command's `canExecute`.
-///
-/// Note: this will reset the control's target and action.
-@property (nonatomic, strong) RACCommand *rac_command;
-
-@end
@@ -1,24 +0,0 @@
-//
-//  NSControl+RACTextSignalSupport.h
-//  ReactiveCocoa
-//
-//  Created by Justin Spahr-Summers on 2013-03-08.
-//  Copyright (c) 2013 GitHub, Inc. All rights reserved.
-//
-
-#import <Cocoa/Cocoa.h>
-
-@class RACSignal;
-
-@interface NSControl (RACTextSignalSupport)
-
-/// Observes a text-based control for changes.
-///
-/// Using this method on a control without editable text is considered undefined
-/// behavior.
-///
-/// Returns a signal which sends the current string value of the receiver, then
-/// the new value any time it changes.
- (RACSignal *)rac_textSignal;
-
-@end
@@ -1,22 +0,0 @@
-//
-//  NSData+RACSupport.h
-//  ReactiveCocoa
-//
-//  Created by Josh Abernathy on 5/11/12.
-//  Copyright (c) 2012 GitHub, Inc. All rights reserved.
-//
-
-#import <Foundation/Foundation.h>
-
-@class RACScheduler;
-@class RACSignal;
-
-@interface NSData (RACSupport)
-
-// Read the data at the URL using -[NSData initWithContentsOfURL:options:error:].
-// Sends the data or the error.
-//
-// scheduler - cannot be nil.
-+ (RACSignal *)rac_readContentsOfURL:(NSURL *)URL options:(NSDataReadingOptions)options scheduler:(RACScheduler *)scheduler;
-
-@end
@@ -1,31 +0,0 @@
-//
-//  NSDictionary+RACSequenceAdditions.h
-//  ReactiveCocoa
-//
-//  Created by Justin Spahr-Summers on 2012-10-29.
-//  Copyright (c) 2012 GitHub. All rights reserved.
-//
-
-#import <Foundation/Foundation.h>
-
-@class RACSequence;
-
-@interface NSDictionary (RACSequenceAdditions)
-
-/// Creates and returns a sequence of RACTuple key/value pairs. The key will be
-/// the first element in the tuple, and the value will be the second.
-///
-/// Mutating the receiver will not affect the sequence after it's been created.
-@property (nonatomic, copy, readonly) RACSequence *rac_sequence;
-
-/// Creates and returns a sequence corresponding to the keys in the receiver.
-///
-/// Mutating the receiver will not affect the sequence after it's been created.
-@property (nonatomic, copy, readonly) RACSequence *rac_keySequence;
-
-/// Creates and returns a sequence corresponding to the values in the receiver.
-///
-/// Mutating the receiver will not affect the sequence after it's been created.
-@property (nonatomic, copy, readonly) RACSequence *rac_valueSequence;
-
-@end
@@ -1,20 +0,0 @@
-//
-//  NSEnumerator+RACSequenceAdditions.h
-//  ReactiveCocoa
-//
-//  Created by Uri Baghin on 07/01/2013.
-//  Copyright (c) 2013 GitHub, Inc. All rights reserved.
-//
-
-#import <Foundation/Foundation.h>
-
-@class RACSequence;
-
-@interface NSEnumerator (RACSequenceAdditions)
-
-/// Creates and returns a sequence corresponding to the receiver.
-///
-/// The receiver is exhausted lazily as the sequence is enumerated.
-@property (nonatomic, copy, readonly) RACSequence *rac_sequence;
-
-@end
@@ -1,19 +0,0 @@
-//
-//  NSFileHandle+RACSupport.h
-//  ReactiveCocoa
-//
-//  Created by Josh Abernathy on 5/10/12.
-//  Copyright (c) 2012 GitHub. All rights reserved.
-//
-
-#import <Foundation/Foundation.h>
-
-@class RACSignal;
-
-@interface NSFileHandle (RACSupport)
-
-// Read any available data in the background and send it. Completes when data
-// length is <= 0.
- (RACSignal *)rac_readInBackground;
-
-@end
@@ -1,21 +0,0 @@
-//
-//  NSIndexSet+RACSequenceAdditions.h
-//  ReactiveCocoa
-//
-//  Created by Sergey Gavrilyuk on 12/17/13.
-//  Copyright (c) 2013 GitHub, Inc. All rights reserved.
-//
-
-#import <Foundation/Foundation.h>
-
-@class RACSequence;
-
-@interface NSIndexSet (RACSequenceAdditions)
-
-/// Creates and returns a sequence of indexes (as `NSNumber`s) corresponding to
-/// the receiver.
-///
-/// Mutating the receiver will not affect the sequence after it's been created.
-@property (nonatomic, copy, readonly) RACSequence *rac_sequence;
-
-@end
@@ -1,18 +0,0 @@
-//
-//  NSNotificationCenter+RACSupport.h
-//  ReactiveCocoa
-//
-//  Created by Josh Abernathy on 5/10/12.
-//  Copyright (c) 2012 GitHub. All rights reserved.
-//
-
-#import <Foundation/Foundation.h>
-
-@class RACSignal;
-
-@interface NSNotificationCenter (RACSupport)
-
-// Sends the NSNotification every time the notification is posted.
- (RACSignal *)rac_addObserverForName:(NSString *)notificationName object:(id)object;
-
-@end
@@ -1,40 +0,0 @@
-//
-//  NSObject+RACAppKitBindings.h
-//  ReactiveCocoa
-//
-//  Created by Josh Abernathy on 4/17/12.
-//  Copyright (c) 2012 GitHub, Inc. All rights reserved.
-//
-
-#import <Cocoa/Cocoa.h>
-
-@class RACChannelTerminal;
-
-@interface NSObject (RACAppKitBindings)
-
-/// Invokes -rac_channelToBinding:options: without any options.
- (RACChannelTerminal *)rac_channelToBinding:(NSString *)binding;
-
-/// Applies a Cocoa binding to the receiver, then exposes a RACChannel-based
-/// interface for manipulating it.
-///
-/// Creating two of the same bindings on the same object will result in undefined
-/// behavior.
-///
-/// binding - The name of the binding. This must not be nil.
-/// options - Any options to pass to Cocoa Bindings. This may be nil.
-///
-/// Returns a RACChannelTerminal which will send future values from the receiver,
-/// and update the receiver when values are sent to the terminal.
- (RACChannelTerminal *)rac_channelToBinding:(NSString *)binding options:(NSDictionary *)options;
-
-@end
-
-@interface NSObject (RACAppKitBindingsDeprecated)
-
- (void)rac_bind:(NSString *)binding toObject:(id)object withKeyPath:(NSString *)keyPath __attribute__((deprecated("Use -rac_bind:options: instead")));
- (void)rac_bind:(NSString *)binding toObject:(id)object withKeyPath:(NSString *)keyPath nilValue:(id)nilValue __attribute__((deprecated("Use -rac_bind:options: instead")));
- (void)rac_bind:(NSString *)binding toObject:(id)object withKeyPath:(NSString *)keyPath transform:(id (^)(id value))transformBlock __attribute__((deprecated("Use -rac_bind:options: instead")));
- (void)rac_bind:(NSString *)binding toObject:(id)object withNegatedKeyPath:(NSString *)keyPath __attribute__((deprecated("Use -rac_bind:options: instead")));
-
-@end
@@ -1,34 +0,0 @@
-//
-//  NSObject+RACDeallocating.h
-//  ReactiveCocoa
-//
-//  Created by Kazuo Koga on 2013/03/15.
-//  Copyright (c) 2013 GitHub, Inc. All rights reserved.
-//
-
-#import <Foundation/Foundation.h>
-
-@class RACCompoundDisposable;
-@class RACDisposable;
-@class RACSignal;
-
-@interface NSObject (RACDeallocating)
-
-/// The compound disposable which will be disposed of when the receiver is
-/// deallocated.
-@property (atomic, readonly, strong) RACCompoundDisposable *rac_deallocDisposable;
-
-/// Returns a signal that will complete immediately before the receiver is fully
-/// deallocated. If already deallocated when the signal is subscribed to,
-/// a `completed` event will be sent immediately.
- (RACSignal *)rac_willDeallocSignal;
-
-@end
-
-@interface NSObject (RACDeallocatingDeprecated)
-
- (RACSignal *)rac_didDeallocSignal __attribute__((deprecated("Use -rac_willDeallocSignal")));
-
- (void)rac_addDeallocDisposable:(RACDisposable *)disposable __attribute__((deprecated("Add disposables to -rac_deallocDisposable instead")));
-
-@end
@@ -1,61 +0,0 @@
-//
-//  NSObject+RACLifting.h
-//  ReactiveCocoa
-//
-//  Created by Josh Abernathy on 10/13/12.
-//  Copyright (c) 2012 GitHub, Inc. All rights reserved.
-//
-
-#import <Foundation/Foundation.h>
-
-@class RACSignal;
-
-@interface NSObject (RACLifting)
-
-/// Lifts the selector on the receiver into the reactive world. The selector will
-/// be invoked whenever any signal argument sends a value, but only after each
-/// signal has sent an initial value.
-///
-/// It will replay the most recently sent value to new subscribers.
-///
-/// This does not support C arrays or unions.
-///
-/// selector    - The selector on self to invoke.
-/// firstSignal - The signal corresponding to the first method argument. This
-///               must not be nil.
-/// ...         - A list of RACSignals corresponding to the remaining arguments.
-///               There must be a non-nil signal for each method argument.
-///
-/// Examples
-///
-///   [button rac_liftSelector:@selector(setTitleColor:forState:) withSignals:textColorSignal, [RACSignal return:@(UIControlStateNormal)], nil];
-///
-/// Returns a signal which sends the return value from each invocation of the
-/// selector. If the selector returns void, it instead sends RACUnit.defaultUnit.
-/// It completes only after all the signal arguments complete.
- (RACSignal *)rac_liftSelector:(SEL)selector withSignals:(RACSignal *)firstSignal, ... NS_REQUIRES_NIL_TERMINATION;
-
-/// Like -rac_liftSelector:withSignals:, but accepts an array instead of
-/// a variadic list of arguments.
- (RACSignal *)rac_liftSelector:(SEL)selector withSignalsFromArray:(NSArray *)signals;
-
-/// Like -rac_liftSelector:withSignals:, but accepts a signal sending tuples of
-/// arguments instead of a variadic list of arguments.
- (RACSignal *)rac_liftSelector:(SEL)selector withSignalOfArguments:(RACSignal *)arguments;
-
-@end
-
-@interface NSObject (RACLiftingDeprecated)
-
- (RACSignal *)rac_liftSelector:(SEL)selector withObjects:(id)arg, ... __attribute__((deprecated("Use -rac_liftSelector:withSignals: instead")));
- (RACSignal *)rac_liftSelector:(SEL)selector withObjectsFromArray:(NSArray *)args __attribute__((deprecated("Use -rac_liftSelector:withSignalsFromArray: instead")));
- (RACSignal *)rac_liftBlock:(id)block withArguments:(id)arg, ... NS_REQUIRES_NIL_TERMINATION __attribute__((deprecated("Use +combineLatest:reduce: instead")));
- (RACSignal *)rac_liftBlock:(id)block withArgumentsFromArray:(NSArray *)args __attribute__((deprecated("Use +combineLatest:reduce: instead")));
-
-@end
-
-@interface NSObject (RACLiftingUnavailable)
-
- (instancetype)rac_lift __attribute__((unavailable("Use -rac_liftSelector:withSignals: instead")));
-
-@end
--- a/Show More
+++ b/Show More
Author	SHA1	Message	Date
Keith Duncan	0828897f1b	🍩 pass the request path around	2014-09-02 17:08:50 +02:00
Keith Duncan	ff31a5fcdd	Replace the installer with an XPC version Doesn’t read install requests from the file system, also makes the installer installable once rather than once per install request.	2014-09-01 22:28:31 +02:00
Keith Duncan	016cd25fda	Update docs	2014-09-01 22:23:13 +02:00
Keith Duncan	afebefc78a	Remove the watcher	2014-08-05 21:46:50 +01:00
Keith Duncan	3c7916e02e	More building++	2014-08-05 21:20:47 +01:00
Keith Duncan	8d6063d9a9	Fix missed conflict in merge	2014-08-05 21:17:50 +01:00
Keith Duncan	24c118fa1e	xctest?	2014-08-05 21:17:48 +01:00
Keith Duncan	ff7b9de34f	Remove the watcher	2014-08-05 21:17:19 +01:00
Keith Duncan	5994cf9584	Merge remote-tracking branch 'origin/master' into dont-link-appkit Conflicts: Squirrel.xcodeproj/project.pbxproj Squirrel/SQRLShipItRequest.m SquirrelTests/SQRLTestCase.m	2014-08-05 21:05:49 +01:00
Keith Duncan	518ee666a3	Restrict the permissions of the wait files directory	2014-02-19 14:46:17 +00:00
Keith Duncan	73cc6802d3	Clarify the installer args	2014-02-19 13:58:26 +00:00
Keith Duncan	1403a7ad81	Make the watcher job dictionary method return a signal Fix the signal names for the job dictionary methods. Extract the watcher job label into a method.	2014-02-19 13:57:16 +00:00
Keith Duncan	24d9ef1f86	Remove the debug launchd option	2014-02-18 13:51:52 +00:00
Keith Duncan	51bd593666	Remove the domain/authorisation tuple	2014-02-18 13:12:27 +00:00
Keith Duncan	44a471b903	Concat the submit job signals inline	2014-02-18 13:12:13 +00:00
Keith Duncan	6e2f4faa3f	Style++	2014-02-18 13:06:33 +00:00
Keith Duncan	43fd18e4c9	Less URL->path conversions	2014-02-18 13:06:02 +00:00
Keith Duncan	d08804ddce	Less URL->path conversions	2014-02-18 13:01:04 +00:00
Keith Duncan	39a47ac14f	s/command/executableName	2014-02-18 12:58:35 +00:00
Keith Duncan	49148013dc	Request cannot be nil	2014-02-18 12:57:51 +00:00
Keith Duncan	15c80b1cbf	Better docs for the send request method	2014-02-18 12:57:14 +00:00
Keith Duncan	f89762550f	Rename the connection initialiser	2014-02-18 12:54:59 +00:00
Keith Duncan	b224b30a27	s/[[:space:]]/[[:tab:]]	2014-02-14 19:12:08 +00:00
Keith Duncan	bfa660b5bc	Add docs on the multiprocess topology to `SQRLShipItConnection`	2014-02-14 19:03:00 +00:00
Keith Duncan	3ed1dc26fa	Add docs for the installer args	2014-02-12 16:34:23 +00:00
Keith Duncan	442e51b89d	Change the watcher args to be URLs	2014-02-12 16:34:04 +00:00
Keith Duncan	a8b6a9f262	Condense the job dictionary creation	2014-02-12 16:26:34 +00:00
Keith Duncan	05019c8e82	New file listener API Now with 💯% more error checking	2014-02-12 16:13:45 +00:00
Keith Duncan	d569a6524e	Document the shipit-watcher arguments	2014-02-12 12:57:29 +00:00
Keith Duncan	5c64d501f4	Style++	2014-02-12 12:43:25 +00:00
Keith Duncan	ee8c781284	Fix signal names	2014-02-06 21:22:38 +00:00
Keith Duncan	d8b1c4b6ca	Merge remote-tracking branch 'origin/master' into dont-link-appkit Conflicts: Squirrel.xcodeproj/project.pbxproj Squirrel/SQRLInstaller.m Squirrel/SQRLShipItState.h Squirrel/SQRLShipItState.m Squirrel/SQRLUpdater.m Squirrel/ShipIt-main.m SquirrelTests/SQRLInstallerSpec.m SquirrelTests/SQRLShipItStateSpec.m SquirrelTests/SQRLTestCase.h SquirrelTests/SQRLTestCase.m	2014-02-06 21:22:15 +00:00
Keith Duncan	3582cdec0b	Fix the signal tests to use the new process name	2014-01-20 16:26:39 -08:00
Keith Duncan	ef169d19e9	Fix task launching on 10.7	2014-01-20 16:19:19 -08:00
Keith Duncan	582593dca7	Fix 10.7 support	2014-01-20 16:14:24 -08:00
Keith Duncan	ba6df2df14	Fix argument docs	2014-01-20 16:09:13 -08:00
Keith Duncan	65463d7612	Rename signal	2014-01-20 16:07:54 -08:00
Keith Duncan	1f38d749ea	Use the job label when removing and adding	2014-01-20 16:00:14 -08:00
Keith Duncan	c4871aa371	Add launch support using LaunchServices directly	2014-01-20 15:18:15 -08:00
Keith Duncan	f067d6b778	Zip++	2014-01-20 15:18:11 -08:00
Keith Duncan	2c10c116e9	Clean up the wait file when the installer completes	2014-01-20 12:53:05 -08:00
Keith Duncan	cfc2d55ca9	Write the state before submitting the jobs	2014-01-20 12:40:22 -08:00
Keith Duncan	daaf62645e	Don’t pass the label to the watcher	2014-01-20 12:40:15 -08:00
Keith Duncan	f34c02b79b	Run watcher on launch	2014-01-20 12:29:23 -08:00
Keith Duncan	5d5f5eaa12	Make `submitJob:...` a cold signal	2014-01-20 12:05:01 -08:00
Keith Duncan	40e5ac130e	Fix types issue, the authorization in the tuple is a signal	2014-01-20 11:57:18 -08:00
Keith Duncan	e449f18bd3	Tweak test description	2014-01-20 11:56:54 -08:00
Keith Duncan	6d4f8a731b	Xcode updating schemes	2014-01-17 17:20:16 -08:00
Keith Duncan	9debcdcd57	Update to the new `NSURL` argument for state read/write	2014-01-17 17:19:57 -08:00
Keith Duncan	4d489e5add	Style++	2014-01-17 17:19:37 -08:00
Keith Duncan	60f4089f6f	Use the new file watcher rather than termination listener	2014-01-17 17:19:13 -08:00
Keith Duncan	33d2c31db9	Switch to using the `NSURL` argument type	2014-01-17 17:18:46 -08:00
Keith Duncan	267cd56bd6	Add file listener class Parallels the termination listener	2014-01-17 17:13:22 -08:00
Keith Duncan	2a4147f3b1	Make ShipIt state take plain `NSURL` arguments Get the watcher job to launch too, still needs to listen for its file in the installer.	2014-01-17 12:30:12 -08:00
Keith Duncan	fb991f348b	Rename job submit method	2014-01-17 11:37:04 -08:00
Keith Duncan	839f4a9708	Remove Mach service, this isn’t used	2014-01-17 11:31:37 -08:00
Keith Duncan	e142e1bef0	Implement the new watcher process	2014-01-15 13:48:40 -08:00
Keith Duncan	14892783cd	Start a new target for the watcher	2014-01-15 10:25:42 -08:00
Keith Duncan	88c65394c1	Implement a separate watch command This is so that we can split the waiting into running in the user launchd domain, and the install still runs in the root domain.	2014-01-15 10:16:17 -08:00
Keith Duncan	afc0ad0b20	Don’t use `NSRunningApplication` in `SQRLDirectoryManager` This is AppKit API and `SQRLDirectoryManager` should be Foundation only.	2014-01-15 10:11:21 -08:00
Keith Duncan	0c533da4d7	Start launch logic in `SQRLShipItConnection`	2014-01-12 20:45:17 +00:00
Keith Duncan	a5f8798ce8	Remove the Cocoa linkage from ShipIt, link Foundation instead	2014-01-12 20:20:50 +00:00
Keith Duncan	ab52a12630	Remove launch handing from `ShipIt-main` This will be handled external to ShipIt which can run as root and therefore should not fork or comminicate with LaunchServices.	2014-01-12 20:18:17 +00:00
Keith Duncan	954de5d480	Move `SQRLTestCase` to the top of the group	2014-01-12 20:17:31 +00:00
Keith Duncan	df71c4d256	Renme the launchShipIt method	2014-01-12 20:17:15 +00:00
Keith Duncan	d73df99d57	Remove un-necessary `+defer`	2014-01-12 20:16:54 +00:00
Keith Duncan	bfc2652481	Pass the `SQRLShipItState` to `SQRLShipItConnection` for writing The launched ShipIt is now a function of the written request.	2014-01-12 19:56:24 +00:00
Keith Duncan	90f31dd0f8	Use a connection instance to send the request Whether to launch the target is now an argument, this needs to be handled by this process not the aux. process which may be root.	2014-01-12 19:41:20 +00:00
Keith Duncan	470338574f	Rename `SQRLShipItLauncher` to `SQRLShipItConnection`	2014-01-12 19:34:08 +00:00
				`@@ -0,0 +1,2 @@`
				`/* Localized versions of Info.plist keys */`