/**
  * @param WorkingCopy $wc
  * @param string      $path
  * @param string      $current_branch
  *
  * @return DOMDocument
  */
 public function getReleaseXML($wc, $path, $current_branch)
 {
     /*$release_log_file = "$path/release-log.xml";
       if (file_exists($release_log_file)) {
         $log = file_get_contents($release_log_file);
       }
       else {
         $log = $wc->log($path, 1000, true);
       }*/
     $log = $wc->log($path, 1000, true);
     $dom_log = new DOMDocument();
     $dom_log->loadXML($log);
     $xpath_log = new DOMXPath($dom_log);
     /** @var DOMElement $last_log_lement */
     $last_log_lement = $xpath_log->query("(/log/logentry)[last()]")->item(0);
     $release_date = $xpath_log->query("date", $last_log_lement)->item(0)->nodeValue;
     $release_rev = $last_log_lement->getAttribute("revision");
     // release.xml file
     $release_element = new DOMElement("release");
     $dom_release = new DOMDocument();
     $dom_release->appendChild($release_element);
     $release_element->setAttribute("code", $current_branch);
     $release_element->setAttribute("date", $release_date);
     $release_element->setAttribute("revision", $release_rev);
     return $dom_release;
 }