Hi,

I have a class which is a subclass of NSOperation, that runs a shell script with AuthorizationExecuteWithPrivileges. Something like this:

// Alloc my auth class and authenticate
Authentication *auth = [[Authentication alloc] init];
[auth authenticate];
// Set permissions on script and run script with AuthorizationExecuteWithPrivileges [auth executeShellCommand:@"chmod 755 /script.sh; chown $USER:admin / script.sh; sh /script.sh"];
// Then call selector on main thread to notify that its finished
[[AppDelegate shared] performSelectorOnMainThread:@selector(scriptDone)
                                           withObject:nil
                                        waitUntilDone:YES];

( "shared" is just a method in my main delegat class that returns [[AppDelegate alloc] init]). The issue is that the selector is being called a few seconds after the script starts, not when its finished.

Thanks
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