public static function get_hash($git_path, $ref) {
$args = array("rev-parse", "--verify", "-q", $ref);
$result = self::git_execute($args, $git_path);
- if(prag_match("#([a-f0-9]{40})#i", $result, $match))
+ if(preg_match("#([a-f0-9]{40})#i", $result, $match))
return $match[1];
return null;
}