protected void showError(Exception e) {
    final HgVcs vcs = HgVcs.getInstance(myProject);
    if (vcs == null) return;
    String message = HgBundle.message("hg4idea.command.executor.error", HgExecutableManager.getInstance().getHgExecutable(myProject),
                                      e.getMessage());
    VcsImplUtil.showErrorMessage(myProject, message, HgBundle.message("hg4idea.error"));
  }
protected void showError(Exception e)