/**
* Does a fetch using $refs if available.
*
* @return {Boolean} Did the fetch succeed?
*/
public function fetch($refs = '')
{
if ($refs) {
$refs = escapeshellarg($refs);
}
$cmd = trim("{$this->git} fetch {$this->origin} {$refs}");
$this->shell->exec($cmd, $output, $exit_status);
if ($exit_status !== 0) {
throw new GitException('Error in fetch: ' . print_r($output, true));
}
}
