docs: def get_root_path(self, path):
          """See :py:meth:`~stash.repository.Repository.get_root_path`."""
          # Look at the directories present in the current working directory. In
          # case a .svn directory is present, we know we are in the root directory
          # of a Subversion repository (for Subversion 1.7.x). In case no
          # repository specific folder is found, and the current directory has a
          # parent directory, look if a repository specific directory can be found
          # in the parent directory.
          while path != '/':
              if '.svn' in os.listdir(path):
                  return path
              path = os.path.abspath(os.path.join(path, os.pardir))
  
          # No Subversion repository found.
          return None