/**
  * Executes post-setup actions.
  */
 public function completeSetup()
 {
     // rebuild dependencies
     Package::rebuildPackageDependencies($this->queue->packageID);
     // mark queue as done
     $queueEditor = new PackageInstallationQueueEditor($this->queue);
     $queueEditor->update(array('done' => 1));
     // remove node data
     $this->nodeBuilder->purgeNodes();
     // update package version
     if ($this->action == 'update') {
         $packageEditor = new PackageEditor($this->getPackage());
         $packageEditor->update(array('updateDate' => TIME_NOW, 'packageVersion' => $this->archive->getPackageInfo('version')));
     }
     // clear language files once whole installation is completed
     LanguageEditor::deleteLanguageFiles();
     // reset all caches
     CacheHandler::getInstance()->clear(WCF_DIR . 'cache/', '*');
 }