Inheritance: extends BaseCommand
 protected function execute(InputInterface $input, OutputInterface $output)
 {
     $detector = new GitFlowBranch($this->getContext()->getVCS());
     $newVersion = $detector->getCurrentVersion();
     $this->getContext()->setNewVersion($newVersion);
     $currentVersion = $this->getContext()->getVersionDetector()->getCurrentVersion();
     $type = $currentVersion->getDifferenceType($newVersion);
     if ($type === null) {
         throw new Exception('Could not detect a version difference.', 404);
     }
     $this->getContext()->setParameter('type', $type);
     //in case the type information is needed...
     $this->getContext()->getInformationCollector()->registerStandardRequest('type');
     $this->getContext()->getInformationCollector()->setValueFor('type', $type);
     //push a git flow finish action to the post release list
     $action = new GitFlowFinishAction($detector->getBranchType());
     $action->setContext($this->getContext());
     $this->getContext()->getList(Context::POSTRELEASE_LIST)->push($action);
     parent::execute($input, $output);
 }