private void displayCompareDialog(@NotNull String branchName, @NotNull String currentBranch, @NotNull CommitCompareInfo compareInfo,
                                    @NotNull HgRepository selectedRepository) {
    if (compareInfo.isEmpty()) {
      Messages.showInfoMessage(myProject, XmlStringUtil
                                 .wrapInHtml(HgBundle.message("hg4idea.branch.compare.no.changes.msg", currentBranch, branchName)),
                               HgBundle.message("hg4idea.branch.compare.no.changes"));
    }
    else {
      new CompareBranchesDialog(new HgCompareBranchesHelper(myProject), branchName, currentBranch, compareInfo, selectedRepository, false).show();
    }
  }
private void displayCompareDialog(@NotNull String branchName, @NotNull String currentBranch, @NotNull CommitCompareInfo compareInfo,
                                    @NotNull HgRepository selectedRepository)