public static string            diff(this API_NGit nGit)
        {
            var outputStream = NGit_Factory.New_OutputStream();

            nGit.diff_Raw(outputStream);
            return(outputStream.str());
        }
 public static List <DiffEntry> diff_Raw(this API_NGit nGit)
 {
     return(nGit.diff_Raw(null));
 }