+// http://vgable.com/blog/2008/10/05/restarting-your-cocoa-application/
+- (void)restartOurselves
+{
+ NSString *killArg1AndOpenArg2Script = @"kill -9 $1 \n open \"$2\"";
+ NSString *ourPID = [NSString stringWithFormat:@"%d", [[NSProcessInfo processInfo] processIdentifier]];
+ NSString *pathToUs = [[NSBundle mainBundle] bundlePath];
+
+ NSArray *shArgs = [NSArray arrayWithObjects:@"-c", killArg1AndOpenArg2Script, @"", ourPID, pathToUs, nil];
+ NSTask *restartTask = [NSTask launchedTaskWithLaunchPath:@"/bin/sh" arguments:shArgs];
+ [restartTask waitUntilExit];
+ NSLog(@"*** ERROR: %@ should have been terminated, but we are still running", pathToUs);
+ assert(!"We should not be running!");
+}
+
+- (BOOL) checkExecutablePermissions {
+ NSDictionary *applicationAttributes = [[NSFileManager defaultManager] fileAttributesAtPath:[[NSBundle mainBundle] executablePath] traverseLink: YES];
+
+ // We expect 2755 as octal (1517 as decimal, -rwxr-sr-x as extended notation)
+ return ([applicationAttributes filePosixPermissions] == 1517 && [[applicationAttributes fileGroupOwnerAccountName] isEqualToString: @"procmod"]);
+}