public function fire()
{
$this->install();
$command = trim($this->option('command'));
if (empty($command) === true) {
$command = 'help';
}
$input = new StringInput($command);
$output = $this->getOutput();
$application = new \Composer\Console\Application();
$application->setAutoExit(false);
$application->run($input, $output);
}