public Object execute(ExecutionEvent event) throws ExecutionException {
Repository repository = getRepository(event);
if (repository == null)
return null;
PushToGerritWizard wiz = new PushToGerritWizard(repository);
WizardDialog dlg = new WizardDialog(HandlerUtil
.getActiveShellChecked(event), wiz);
dlg.setHelpAvailable(false);
dlg.open();
return null;