48         $reference = null  argument
53                 $reference,
61                     if (!is_dir($reference) || !is_dir($reference . '/.git')) {
64                             $reference,
65 …                          '"' . $reference . '" is not a git repository. Cannot use as reference.',
68                     } elseif (strlen($reference)) {
69                         $reference = realpath($reference);
70                         $reference = "--reference $reference";
72                     $repo->cloneRemote($source, $reference);
286     protected static function handleCreateNewError($repo_path, $reference, $error_message, $plugin)  argument
289             $plugin->notifyCreateNewError($repo_path, $reference, $error_message);
461     public function cloneRemote($source, $reference)  argument
463         return $this->run("clone $reference $source " . $this->repo_path);