/**
  * Handle the command.
  */
 public function handle()
 {
     if (!($addon = $this->input->getOption('addon'))) {
         return;
     }
     if (!($addon = $this->dispatch(new GetAddon($addon)))) {
         throw new \Exception("Addon could not be found.");
     }
     $this->migrator->setAddon($addon);
     $this->input->setOption('path', $addon->getAppPath('migrations'));
 }