private static HgChangesetFileDetails Removed(string f, HgRollupFileDiffInfo diff)
 {
     return new HgChangesetFileDetails(new HgPath(f), HgChangesetFileOperation.Removed, diff);
 }
 public HgChangesetFileDetails(HgPath path, HgChangesetFileOperation operation, HgRollupFileDiffInfo diff)
 {
     Path = path;
     Operation = operation;
     Diff = diff;
 }