@property
  @memoized
  def _reader(self):
    return self._scm.repo_reader(self._rev)
Same as compact(), but assume that added_network is the only change and
dataset/ETHPy150Open pantsbuild/pants/src/python/pants/base/scm_project_tree.py/ScmProjectTree._reader--crossover with--dataset/ETHPy150Open drkjam/netaddr/netaddr/ip/sets.py/IPSet._compact_single_network