code: def diff(self):
          
  
          self._copyfiles = False
          self._updatefiles = False
          self._purge = False
          self._creatdirs = False
          self._updatefiles = False
  
          self.log('Difference of directory %s from %s\n' %
                   (self._dir2, self._dir1))
          self._diff(self._dir1, self._dir2)
docs: Only report difference in content between two directories