public function install(DriverConfig $config)
{
if (is_dir($config->getDirectory())) {
$command = sprintf('cd "%s" && git pull origin %s', $config->getDirectory(), $config->getBranch());
} else {
$command = sprintf('git clone -b %s %s "%s"', $config->getBranch(), $config->getRepository(), $config->getDirectory());
}
$process = new Process($command);
$process->run();
if (!$process->isSuccessful()) {
throw new \RuntimeException($process->getErrorOutput());
}
return $process->getOutput();
}
