private void updateRepository() {
    HgRepository repo = hgRepositorySelectorComponent.getRepository();
    branchSelector.setModel(new DefaultComboBoxModel(repo.getOpenedBranches().toArray()));
    DefaultComboBoxModel tagComboBoxModel = new DefaultComboBoxModel(HgUtil.getSortedNamesWithoutHashes(repo.getTags()).toArray());
    tagComboBoxModel
      .addElement(TIP_REFERENCE);    //HgRepository does not store 'tip' tag because it is internal and not included in tags file
    tagSelector.setModel(tagComboBoxModel);
    bookmarkSelector.setModel(new DefaultComboBoxModel(HgUtil.getSortedNamesWithoutHashes(repo.getBookmarks()).toArray()));
    update();
  }
private void updateRepository()