@Override
  public void revertOn(RootEntry root, boolean warnOnFileNotFound) {
    Entry e = root.findEntry(myPath);
    if (e == null) {
      cannotRevert(myPath, warnOnFileNotFound);
      return;
    }
    e.setReadOnly(myOldStatus);
  }
@Override
  public void revertOn(RootEntry root, boolean warnOnFileNotFound)