@NotNull
  @CalledInAny
  protected List<HgRepository> getSelectedRepositoriesFromEvent(@NotNull DataContext dataContext) {
    Project project = dataContext.getData(CommonDataKeys.PROJECT);
    if (project == null) return Collections.emptyList();

    HgRepositoryManager repositoryManager = HgUtil.getRepositoryManager(project);
    VirtualFile[] files = ObjectUtils.notNull(dataContext.getData(CommonDataKeys.VIRTUAL_FILE_ARRAY), VirtualFile.EMPTY_ARRAY);
    List<HgRepository> selectedRepositories = ContainerUtil.mapNotNull(files, repositoryManager::getRepositoryForFileQuick);
    if (!selectedRepositories.isEmpty()) return selectedRepositories;

    HgRepository repository = HgUtil.guessRepositoryForOperation(project, dataContext);
    return ContainerUtil.createMaybeSingletonList(repository);
  }
@NotNull
  @CalledInAny
  protected List<HgRepository> getSelectedRepositoriesFromEvent(@NotNull DataContext dataContext)