public Object execute(ExecutionEvent event) throws ExecutionException {
RemotesNode node = getSelectedNodes(event).get(0);
Repository repository = node.getRepository();
NewRemoteDialog nrd = new NewRemoteDialog(getShell(event), repository);
if (nrd.open() != Window.OK)
return null;
if (nrd.getPushMode())
SimpleConfigurePushDialog.getDialog(getShell(event), repository,
nrd.getName()).open();