[%
  # In the case of merge commits there will be no diff tree.
  IF (diff_tree.size||0) > 0;
    INCLUDE '_diff_tree.tt2';
  END;
  IF (diff.size||0) > 0;
    INCLUDE '_diff.tt2';
  ELSE
  %]
  <p class='msg'>
  [%
    IF commit && commit.parents > 1;
      'Trivial merge';
    ELSE;
      'No differences found';
    END;
  %]
  </p>
  [% END %]