AcmePhp\Cli\Command\SelfUpdateCommand::rollback PHP Метод

    protected function rollback()
    {
        $updater = new Updater();
        try {
            $result = $updater->rollback();
            if ($result) {
                $this->output->writeln('<fg=green>Acme PHP has been rolled back to prior version.</fg=green>');
            } else {
                $this->output->writeln('<fg=red>Rollback failed for reasons unknown.</fg=red>');
            }
        } catch (\Exception $e) {
            $this->output->writeln(sprintf('Error: <fg=yellow>%s</fg=yellow>', $e->getMessage()));
        }
    }