Add Let's move that moves the PMP app to /Applications if launched from anywhere else

This help the problems with the Pathrandomization in Sierra for example.

CMakeModules/AppleConfiguration.cmake

@@ -5,7 +5,7 @@ find_library(COCOA Cocoa)
 find_Library(CARBON Carbon)
 find_library(SECURITY Security)
 
-set(OS_LIBS ${FOUNDATION} ${APPKIT} ${IOKIT} ${COCOA} ${SECURITY} ${CARBON} spmediakeytap hidremote)
+set(OS_LIBS ${FOUNDATION} ${APPKIT} ${IOKIT} ${COCOA} ${SECURITY} ${CARBON} spmediakeytap hidremote plistparser letsmove)
 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
 set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -mmacosx-version-min=10.9 -fno-omit-frame-pointer")
 set(WARNINGS "-Wall")

external/CMakeLists.txt

@@ -8,4 +8,5 @@ if(APPLE)
   add_subdirectory(plistparser)
   add_subdirectory(SPMediaKeyTap)
   add_subdirectory(HIDRemote)
+  add_subdirectory(letsmove)
 endif(APPLE)

external/letsmove/CMakeLists.txt

@@ -0,0 +1,2 @@
+set_source_files_properties(PFMoveApplication.m PROPERTIES COMPILE_FLAGS -fno-objc-arc)
+add_library(letsmove PFMoveApplication.m PFMoveApplication.h)

external/letsmove/PFMoveApplication.h

@@ -0,0 +1,17 @@
+//
+//  PFMoveApplication.h, version 1.22
+//  LetsMove
+//
+//  Created by Andy Kim at Potion Factory LLC on 9/17/09
+//
+//  The contents of this file are dedicated to the public domain.
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+void PFMoveToApplicationsFolderIfNecessary(void);
+
+#ifdef __cplusplus
+}
+#endif

external/letsmove/PFMoveApplication.m

@@ -0,0 +1,534 @@
+//
+//  PFMoveApplication.m, version 1.22
+//  LetsMove
+//
+//  Created by Andy Kim at Potion Factory LLC on 9/17/09
+//
+//  The contents of this file are dedicated to the public domain.
+
+#import "PFMoveApplication.h"
+
+#import <AppKit/AppKit.h>
+#import <Foundation/Foundation.h>
+#import <Security/Security.h>
+#import <dlfcn.h>
+#import <sys/param.h>
+#import <sys/mount.h>
+
+// Strings
+// These are macros to be able to use custom i18n tools
+#define _I10NS(nsstr) NSLocalizedStringFromTable(nsstr, @"MoveApplication", nil)
+#define kStrMoveApplicationCouldNotMove _I10NS(@"Could not move to Applications folder")
+#define kStrMoveApplicationQuestionTitle  _I10NS(@"Move to Applications folder?")
+#define kStrMoveApplicationQuestionTitleHome _I10NS(@"Move to Applications folder in your Home folder?")
+#define kStrMoveApplicationQuestionMessage _I10NS(@"I can move myself to the Applications folder if you'd like.")
+#define kStrMoveApplicationButtonMove _I10NS(@"Move to Applications Folder")
+#define kStrMoveApplicationButtonDoNotMove _I10NS(@"Do Not Move")
+#define kStrMoveApplicationQuestionInfoWillRequirePasswd _I10NS(@"Note that this will require an administrator password.")
+#define kStrMoveApplicationQuestionInfoInDownloadsFolder _I10NS(@"This will keep your Downloads folder uncluttered.")
+
+// Needs to be defined for compiling under 10.5 SDK
+#ifndef NSAppKitVersionNumber10_5
+	#define NSAppKitVersionNumber10_5 949
+#endif
+
+// By default, we use a small control/font for the suppression button.
+// If you prefer to use the system default (to match your other alerts),
+// set this to 0.
+#define PFUseSmallAlertSuppressCheckbox 1
+
+
+static NSString *AlertSuppressKey = @"moveToApplicationsFolderAlertSuppress";
+
+
+// Helper functions
+static NSString *PreferredInstallLocation(BOOL *isUserDirectory);
+static BOOL IsInApplicationsFolder(NSString *path);
+static BOOL IsInDownloadsFolder(NSString *path);
+static BOOL IsApplicationAtPathRunning(NSString *path);
+static BOOL IsApplicationAtPathNested(NSString *path);
+static NSString *ContainingDiskImageDevice(NSString *path);
+static BOOL Trash(NSString *path);
+static BOOL DeleteOrTrash(NSString *path);
+static BOOL AuthorizedInstall(NSString *srcPath, NSString *dstPath, BOOL *canceled);
+static BOOL CopyBundle(NSString *srcPath, NSString *dstPath);
+static NSString *ShellQuotedString(NSString *string);
+static void Relaunch(NSString *destinationPath);
+
+// Main worker function
+void PFMoveToApplicationsFolderIfNecessary(void) {
+	// Skip if user suppressed the alert before
+	if ([[NSUserDefaults standardUserDefaults] boolForKey:AlertSuppressKey]) return;
+
+	// Path of the bundle
+	NSString *bundlePath = [[NSBundle mainBundle] bundlePath];
+
+	// Check if the bundle is embedded in another application
+	BOOL isNestedApplication = IsApplicationAtPathNested(bundlePath);
+
+	// Skip if the application is already in some Applications folder,
+	// unless it's inside another app's bundle.
+	if (IsInApplicationsFolder(bundlePath) && !isNestedApplication) return;
+
+	// File Manager
+	NSFileManager *fm = [NSFileManager defaultManager];
+
+	// Are we on a disk image?
+	NSString *diskImageDevice = ContainingDiskImageDevice(bundlePath);
+
+	// Since we are good to go, get the preferred installation directory.
+	BOOL installToUserApplications = NO;
+	NSString *applicationsDirectory = PreferredInstallLocation(&installToUserApplications);
+	NSString *bundleName = [bundlePath lastPathComponent];
+	NSString *destinationPath = [applicationsDirectory stringByAppendingPathComponent:bundleName];
+
+	// Check if we need admin password to write to the Applications directory
+	BOOL needAuthorization = ([fm isWritableFileAtPath:applicationsDirectory] == NO);
+
+	// Check if the destination bundle is already there but not writable
+	needAuthorization |= ([fm fileExistsAtPath:destinationPath] && ![fm isWritableFileAtPath:destinationPath]);
+
+	// Setup the alert
+	NSAlert *alert = [[[NSAlert alloc] init] autorelease];
+	{
+		NSString *informativeText = nil;
+
+		[alert setMessageText:(installToUserApplications ? kStrMoveApplicationQuestionTitleHome : kStrMoveApplicationQuestionTitle)];
+
+		informativeText = kStrMoveApplicationQuestionMessage;
+
+		if (needAuthorization) {
+			informativeText = [informativeText stringByAppendingString:@" "];
+			informativeText = [informativeText stringByAppendingString:kStrMoveApplicationQuestionInfoWillRequirePasswd];
+		}
+		else if (IsInDownloadsFolder(bundlePath)) {
+			// Don't mention this stuff if we need authentication. The informative text is long enough as it is in that case.
+			informativeText = [informativeText stringByAppendingString:@" "];
+			informativeText = [informativeText stringByAppendingString:kStrMoveApplicationQuestionInfoInDownloadsFolder];
+		}
+
+		[alert setInformativeText:informativeText];
+
+		// Add accept button
+		[alert addButtonWithTitle:kStrMoveApplicationButtonMove];
+
+		// Add deny button
+		NSButton *cancelButton = [alert addButtonWithTitle:kStrMoveApplicationButtonDoNotMove];
+		[cancelButton setKeyEquivalent:[NSString stringWithFormat:@"%C", 0x1b]]; // Escape key
+
+		// Setup suppression button
+		[alert setShowsSuppressionButton:YES];
+
+		if (PFUseSmallAlertSuppressCheckbox) {
+			NSCell *cell = [[alert suppressionButton] cell];
+			[cell setControlSize:NSSmallControlSize];
+			[cell setFont:[NSFont systemFontOfSize:[NSFont smallSystemFontSize]]];
+		}
+	}
+
+	// Activate app -- work-around for focus issues related to "scary file from internet" OS dialog.
+	if (![NSApp isActive]) {
+		[NSApp activateIgnoringOtherApps:YES];
+	}
+
+	if ([alert runModal] == NSAlertFirstButtonReturn) {
+		NSLog(@"INFO -- Moving myself to the Applications folder");
+
+		// Move
+		if (needAuthorization) {
+			BOOL authorizationCanceled;
+
+			if (!AuthorizedInstall(bundlePath, destinationPath, &authorizationCanceled)) {
+				if (authorizationCanceled) {
+					NSLog(@"INFO -- Not moving because user canceled authorization");
+					return;
+				}
+				else {
+					NSLog(@"ERROR -- Could not copy myself to /Applications with authorization");
+					goto fail;
+				}
+			}
+		}
+		else {
+			// If a copy already exists in the Applications folder, put it in the Trash
+			if ([fm fileExistsAtPath:destinationPath]) {
+				// But first, make sure that it's not running
+				if (IsApplicationAtPathRunning(destinationPath)) {
+					// Give the running app focus and terminate myself
+					NSLog(@"INFO -- Switching to an already running version");
+					[[NSTask launchedTaskWithLaunchPath:@"/usr/bin/open" arguments:[NSArray arrayWithObject:destinationPath]] waitUntilExit];
+					exit(0);
+				}
+				else {
+					if (!Trash([applicationsDirectory stringByAppendingPathComponent:bundleName]))
+						goto fail;
+				}
+			}
+
+ 			if (!CopyBundle(bundlePath, destinationPath)) {
+				NSLog(@"ERROR -- Could not copy myself to %@", destinationPath);
+				goto fail;
+			}
+		}
+
+		// Trash the original app. It's okay if this fails.
+		// NOTE: This final delete does not work if the source bundle is in a network mounted volume.
+		//       Calling rm or file manager's delete method doesn't work either. It's unlikely to happen
+		//       but it'd be great if someone could fix this.
+		if (!isNestedApplication && diskImageDevice == nil && !DeleteOrTrash(bundlePath)) {
+			NSLog(@"WARNING -- Could not delete application after moving it to Applications folder");
+		}
+
+		// Relaunch.
+		Relaunch(destinationPath);
+
+		// Launched from within a disk image? -- unmount (if no files are open after 5 seconds,
+		// otherwise leave it mounted).
+		if (diskImageDevice && !isNestedApplication) {
+			NSString *script = [NSString stringWithFormat:@"(/bin/sleep 5 && /usr/bin/hdiutil detach %@) &", ShellQuotedString(diskImageDevice)];
+			[NSTask launchedTaskWithLaunchPath:@"/bin/sh" arguments:[NSArray arrayWithObjects:@"-c", script, nil]];
+		}
+
+		exit(0);
+	}
+	// Save the alert suppress preference if checked
+	else if ([[alert suppressionButton] state] == NSOnState) {
+		[[NSUserDefaults standardUserDefaults] setBool:YES forKey:AlertSuppressKey];
+	}
+
+	return;
+
+fail:
+	{
+		// Show failure message
+		alert = [[[NSAlert alloc] init] autorelease];
+		[alert setMessageText:kStrMoveApplicationCouldNotMove];
+		[alert runModal];
+	}
+}
+
+#pragma mark -
+#pragma mark Helper Functions
+
+static NSString *PreferredInstallLocation(BOOL *isUserDirectory) {
+	// Return the preferred install location.
+	// Assume that if the user has a ~/Applications folder, they'd prefer their
+	// applications to go there.
+
+	NSFileManager *fm = [NSFileManager defaultManager];
+
+	NSArray *userApplicationsDirs = NSSearchPathForDirectoriesInDomains(NSApplicationDirectory, NSUserDomainMask, YES);
+
+	if ([userApplicationsDirs count] > 0) {
+		NSString *userApplicationsDir = [userApplicationsDirs objectAtIndex:0];
+		BOOL isDirectory;
+
+		if ([fm fileExistsAtPath:userApplicationsDir isDirectory:&isDirectory] && isDirectory) {
+			// User Applications directory exists. Get the directory contents.
+			NSArray *contents = [fm contentsOfDirectoryAtPath:userApplicationsDir error:NULL];
+
+			// Check if there is at least one ".app" inside the directory.
+			for (NSString *contentsPath in contents) {
+				if ([[contentsPath pathExtension] isEqualToString:@"app"]) {
+					if (isUserDirectory) *isUserDirectory = YES;
+					return [userApplicationsDir stringByResolvingSymlinksInPath];
+				}
+			}
+		}
+	}
+
+	// No user Applications directory in use. Return the machine local Applications directory
+	if (isUserDirectory) *isUserDirectory = NO;
+
+	return [[NSSearchPathForDirectoriesInDomains(NSApplicationDirectory, NSLocalDomainMask, YES) lastObject] stringByResolvingSymlinksInPath];
+}
+
+static BOOL IsInApplicationsFolder(NSString *path) {
+	// Check all the normal Application directories
+	NSArray *applicationDirs = NSSearchPathForDirectoriesInDomains(NSApplicationDirectory, NSAllDomainsMask, YES);
+	for (NSString *appDir in applicationDirs) {
+		if ([path hasPrefix:appDir]) return YES;
+	}
+
+	// Also, handle the case that the user has some other Application directory (perhaps on a separate data partition).
+	if ([[path pathComponents] containsObject:@"Applications"]) return YES;
+
+	return NO;
+}
+
+static BOOL IsInDownloadsFolder(NSString *path) {
+	NSArray *downloadDirs = NSSearchPathForDirectoriesInDomains(NSDownloadsDirectory, NSAllDomainsMask, YES);
+	for (NSString *downloadsDirPath in downloadDirs) {
+		if ([path hasPrefix:downloadsDirPath]) return YES;
+	}
+
+	return NO;
+}
+
+static BOOL IsApplicationAtPathRunning(NSString *bundlePath) {
+	bundlePath = [bundlePath stringByStandardizingPath];
+
+#if MAC_OS_X_VERSION_MAX_ALLOWED > MAC_OS_X_VERSION_10_5
+	// Use the new API on 10.6 or higher to determine if the app is already running
+	if (floor(NSAppKitVersionNumber) > NSAppKitVersionNumber10_5) {
+		for (NSRunningApplication *runningApplication in [[NSWorkspace sharedWorkspace] runningApplications]) {
+			NSString *runningAppBundlePath = [[[runningApplication bundleURL] path] stringByStandardizingPath];
+			if ([runningAppBundlePath isEqualToString:bundlePath]) {
+				return YES;
+			}
+		}
+		return NO;
+	}
+#endif
+	// Use the shell to determine if the app is already running on systems 10.5 or lower
+	NSString *script = [NSString stringWithFormat:@"/bin/ps ax -o comm | /usr/bin/grep %@/ | /usr/bin/grep -v grep >/dev/null", ShellQuotedString(bundlePath)];
+	NSTask *task = [NSTask launchedTaskWithLaunchPath:@"/bin/sh" arguments:[NSArray arrayWithObjects:@"-c", script, nil]];
+	[task waitUntilExit];
+
+	// If the task terminated with status 0, it means that the final grep produced 1 or more lines of output.
+	// Which means that the app is already running
+	return [task terminationStatus] == 0;
+}
+
+static BOOL IsApplicationAtPathNested(NSString *path) {
+	NSString *containingPath = [path stringByDeletingLastPathComponent];
+
+	NSArray *components = [containingPath pathComponents];
+	for (NSString *component in components) {
+		if ([[component pathExtension] isEqualToString:@"app"]) {
+			return YES;
+		}
+	}
+
+	return NO;
+}
+
+static NSString *ContainingDiskImageDevice(NSString *path) {
+	NSString *containingPath = [path stringByDeletingLastPathComponent];
+
+	struct statfs fs;
+	if (statfs([containingPath fileSystemRepresentation], &fs) || (fs.f_flags & MNT_ROOTFS))
+		return nil;
+
+	NSString *device = [[NSFileManager defaultManager] stringWithFileSystemRepresentation:fs.f_mntfromname length:strlen(fs.f_mntfromname)];
+
+	NSTask *hdiutil = [[[NSTask alloc] init] autorelease];
+	[hdiutil setLaunchPath:@"/usr/bin/hdiutil"];
+	[hdiutil setArguments:[NSArray arrayWithObjects:@"info", @"-plist", nil]];
+	[hdiutil setStandardOutput:[NSPipe pipe]];
+	[hdiutil launch];
+	[hdiutil waitUntilExit];
+
+	NSData *data = [[[hdiutil standardOutput] fileHandleForReading] readDataToEndOfFile];
+	NSDictionary *info = nil;
+#if MAC_OS_X_VERSION_MAX_ALLOWED > MAC_OS_X_VERSION_10_5
+	if (floor(NSAppKitVersionNumber) > NSAppKitVersionNumber10_5) {
+		info = [NSPropertyListSerialization propertyListWithData:data options:NSPropertyListImmutable format:NULL error:NULL];
+	}
+	else {
+#endif
+#if MAC_OS_X_VERSION_MIN_REQUIRED < MAC_OS_X_VERSION_10_10
+		info = [NSPropertyListSerialization propertyListFromData:data mutabilityOption:NSPropertyListImmutable format:NULL errorDescription:NULL];
+#endif
+#if MAC_OS_X_VERSION_MAX_ALLOWED > MAC_OS_X_VERSION_10_5
+	}
+#endif
+
+	if (![info isKindOfClass:[NSDictionary class]]) return nil;
+
+	NSArray *images = (NSArray *)[info objectForKey:@"images"];
+	if (![images isKindOfClass:[NSArray class]]) return nil;
+
+	for (NSDictionary *image in images) {
+		if (![image isKindOfClass:[NSDictionary class]]) return nil;
+
+		id systemEntities = [image objectForKey:@"system-entities"];
+		if (![systemEntities isKindOfClass:[NSArray class]]) return nil;
+
+		for (NSDictionary *systemEntity in systemEntities) {
+			if (![systemEntity isKindOfClass:[NSDictionary class]]) return nil;
+
+			NSString *devEntry = [systemEntity objectForKey:@"dev-entry"];
+			if (![devEntry isKindOfClass:[NSString class]]) return nil;
+
+			if ([devEntry isEqualToString:device])
+				return device;
+		}
+	}
+
+	return nil;
+}
+
+static BOOL Trash(NSString *path) {
+	BOOL result = NO;
+#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_8
+	if (floor(NSAppKitVersionNumber) >= NSAppKitVersionNumber10_8) {
+		result = [[NSFileManager defaultManager] trashItemAtURL:[NSURL fileURLWithPath:path] resultingItemURL:NULL error:NULL];
+	}
+#endif
+#if MAC_OS_X_VERSION_MIN_REQUIRED < MAC_OS_X_VERSION_10_11
+	if (!result) {
+		result = [[NSWorkspace sharedWorkspace] performFileOperation:NSWorkspaceRecycleOperation
+															  source:[path stringByDeletingLastPathComponent]
+														 destination:@""
+															   files:[NSArray arrayWithObject:[path lastPathComponent]]
+																 tag:NULL];
+	}
+#endif
+	
+	// As a last resort try trashing with AppleScript.
+	// This allows us to trash the app in macOS Sierra even when the app is running inside
+	// an app translocation image.
+	if (!result) {
+		NSAppleScript *appleScript = [[[NSAppleScript alloc] initWithSource:
+									   [NSString stringWithFormat:@"\
+										set theFile to POSIX file \"%@\" \n\
+									   	tell application \"Finder\" \n\
+									  		move theFile to trash \n\
+									  	end tell", path]] autorelease];
+		NSDictionary *errorDict = nil;
+		NSAppleEventDescriptor *scriptResult = [appleScript executeAndReturnError:&errorDict];
+		if (scriptResult == nil) {
+			NSLog(@"Trash AppleScript error: %@", errorDict);
+		}
+		result = (scriptResult != nil);
+	}
+
+	if (!result) {
+		NSLog(@"ERROR -- Could not trash '%@'", path);
+	}
+
+	return result;
+}
+
+static BOOL DeleteOrTrash(NSString *path) {
+	NSError *error;
+
+	if ([[NSFileManager defaultManager] removeItemAtPath:path error:&error]) {
+		return YES;
+	}
+	else {
+		// Don't log warning if on Sierra and running inside App Translocation path
+		if (![path containsString:@"/AppTranslocation/"])
+			NSLog(@"WARNING -- Could not delete '%@': %@", path, [error localizedDescription]);
+		
+		return Trash(path);
+	}
+}
+
+static BOOL AuthorizedInstall(NSString *srcPath, NSString *dstPath, BOOL *canceled) {
+	if (canceled) *canceled = NO;
+
+	// Make sure that the destination path is an app bundle. We're essentially running 'sudo rm -rf'
+	// so we really don't want to fuck this up.
+	if (![[dstPath pathExtension] isEqualToString:@"app"]) return NO;
+
+	// Do some more checks
+	if ([[dstPath stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceCharacterSet]] length] == 0) return NO;
+	if ([[srcPath stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceCharacterSet]] length] == 0) return NO;
+
+	int pid, status;
+	AuthorizationRef myAuthorizationRef;
+
+	// Get the authorization
+	OSStatus err = AuthorizationCreate(NULL, kAuthorizationEmptyEnvironment, kAuthorizationFlagDefaults, &myAuthorizationRef);
+	if (err != errAuthorizationSuccess) return NO;
+
+	AuthorizationItem myItems = {kAuthorizationRightExecute, 0, NULL, 0};
+	AuthorizationRights myRights = {1, &myItems};
+	AuthorizationFlags myFlags = (AuthorizationFlags)(kAuthorizationFlagInteractionAllowed | kAuthorizationFlagExtendRights | kAuthorizationFlagPreAuthorize);
+
+	err = AuthorizationCopyRights(myAuthorizationRef, &myRights, NULL, myFlags, NULL);
+	if (err != errAuthorizationSuccess) {
+		if (err == errAuthorizationCanceled && canceled)
+			*canceled = YES;
+		goto fail;
+	}
+
+	static OSStatus (*security_AuthorizationExecuteWithPrivileges)(AuthorizationRef authorization, const char *pathToTool,
+																   AuthorizationFlags options, char * const *arguments,
+																   FILE **communicationsPipe) = NULL;
+	if (!security_AuthorizationExecuteWithPrivileges) {
+		// On 10.7, AuthorizationExecuteWithPrivileges is deprecated. We want to still use it since there's no
+		// good alternative (without requiring code signing). We'll look up the function through dyld and fail
+		// if it is no longer accessible. If Apple removes the function entirely this will fail gracefully. If
+		// they keep the function and throw some sort of exception, this won't fail gracefully, but that's a
+		// risk we'll have to take for now.
+		security_AuthorizationExecuteWithPrivileges = (OSStatus (*)(AuthorizationRef, const char*,
+																   AuthorizationFlags, char* const*,
+																   FILE **)) dlsym(RTLD_DEFAULT, "AuthorizationExecuteWithPrivileges");
+	}
+	if (!security_AuthorizationExecuteWithPrivileges) goto fail;
+
+	// Delete the destination
+	{
+		char *args[] = {"-rf", (char *)[dstPath fileSystemRepresentation], NULL};
+		err = security_AuthorizationExecuteWithPrivileges(myAuthorizationRef, "/bin/rm", kAuthorizationFlagDefaults, args, NULL);
+		if (err != errAuthorizationSuccess) goto fail;
+
+		// Wait until it's done
+		pid = wait(&status);
+		if (pid == -1 || !WIFEXITED(status)) goto fail; // We don't care about exit status as the destination most likely does not exist
+	}
+
+	// Copy
+	{
+		char *args[] = {"-pR", (char *)[srcPath fileSystemRepresentation], (char *)[dstPath fileSystemRepresentation], NULL};
+		err = security_AuthorizationExecuteWithPrivileges(myAuthorizationRef, "/bin/cp", kAuthorizationFlagDefaults, args, NULL);
+		if (err != errAuthorizationSuccess) goto fail;
+
+		// Wait until it's done
+		pid = wait(&status);
+		if (pid == -1 || !WIFEXITED(status) || WEXITSTATUS(status)) goto fail;
+	}
+
+	AuthorizationFree(myAuthorizationRef, kAuthorizationFlagDefaults);
+	return YES;
+
+fail:
+	AuthorizationFree(myAuthorizationRef, kAuthorizationFlagDefaults);
+	return NO;
+}
+
+static BOOL CopyBundle(NSString *srcPath, NSString *dstPath) {
+	NSFileManager *fm = [NSFileManager defaultManager];
+	NSError *error = nil;
+
+	if ([fm copyItemAtPath:srcPath toPath:dstPath error:&error]) {
+		return YES;
+	}
+	else {
+		NSLog(@"ERROR -- Could not copy '%@' to '%@' (%@)", srcPath, dstPath, error);
+		return NO;
+	}
+}
+
+static NSString *ShellQuotedString(NSString *string) {
+	return [NSString stringWithFormat:@"'%@'", [string stringByReplacingOccurrencesOfString:@"'" withString:@"'\\''"]];
+}
+
+static void Relaunch(NSString *destinationPath) {
+	// The shell script waits until the original app process terminates.
+	// This is done so that the relaunched app opens as the front-most app.
+	int pid = [[NSProcessInfo processInfo] processIdentifier];
+
+	// Command run just before running open /final/path
+	NSString *preOpenCmd = @"";
+
+	NSString *quotedDestinationPath = ShellQuotedString(destinationPath);
+
+	// OS X >=10.5:
+	// Before we launch the new app, clear xattr:com.apple.quarantine to avoid
+	// duplicate "scary file from the internet" dialog.
+	if (floor(NSAppKitVersionNumber) > NSAppKitVersionNumber10_5) {
+		// Add the -r flag on 10.6
+		preOpenCmd = [NSString stringWithFormat:@"/usr/bin/xattr -d -r com.apple.quarantine %@", quotedDestinationPath];
+	}
+	else {
+		preOpenCmd = [NSString stringWithFormat:@"/usr/bin/xattr -d com.apple.quarantine %@", quotedDestinationPath];
+	}
+
+	NSString *script = [NSString stringWithFormat:@"(while /bin/kill -0 %d >&/dev/null; do /bin/sleep 0.1; done; %@; /usr/bin/open %@) &", pid, preOpenCmd, quotedDestinationPath];
+
+	[NSTask launchedTaskWithLaunchPath:@"/bin/sh" arguments:[NSArray arrayWithObjects:@"-c", script, nil]];
+}

src/CMakeLists.txt

@@ -4,6 +4,7 @@ include_directories(
   ${CMAKE_SOURCE_DIR}/external/SPMediaKeyTap
   ${CMAKE_SOURCE_DIR}/external/HIDRemote
   ${CMAKE_SOURCE_DIR}/external/plistparser
+  ${CMAKE_SOURCE_DIR}/external/letsmove
   ${CMAKE_SOURCE_DIR}/src/player
   core
   shared
@@ -109,7 +110,6 @@ if(APPLE)
     add_resources(TARGET ${MAIN_TARGET} SOURCES ${QTROOT}/bin/qt.conf DEST ${INSTALL_RESOURCE_DIR})
   endif()
 
-  set(PLISTPARSER plistparser)
 
   set(ICON_FILE ${CMAKE_SOURCE_DIR}/bundle/osx/${MACOSX_BUNDLE_ICON_FILE})
   list(APPEND RESOURCE_FILES ${ICON_FILE})
@@ -161,7 +161,6 @@ target_link_libraries(${MAIN_TARGET}
   shared
   qhttp
   qslog
-  ${PLISTPARSER}
   ${MPV_LIBRARY}
   ${OPENGL_LIBS}
   ${QT5_LIBRARIES}

src/main.cpp

@@ -27,6 +27,10 @@
 #include "utils/HelperLauncher.h"
 #include "utils/Log.h"
 
+#ifdef Q_OS_MAC
+#include "PFMoveApplication.h"
+#endif
+
 #if defined(Q_OS_MAC) || defined(Q_OS_LINUX)
 #include "SignalManager.h"
 #endif
@@ -124,6 +128,10 @@ int main(int argc, char *argv[])
     QApplication app(argc, newArgv);
     app.setWindowIcon(QIcon(":/images/icon.png"));
 
+#if defined(Q_OS_MAC) && defined(NDEBUG)
+    PFMoveToApplicationsFolderIfNecessary();
+#endif
+
     // Get the arguments from the app, this is the parsed version of newArgc and newArgv
     QStringList args = app.arguments();