docs: def is_bare(self):
          """
          :data:`True` if the repository has no working tree, :data:`False` if it does.
  
          The value of this property is computed by checking whether the
          ``.bzr/checkout`` directory exists (it doesn't exist in Bazaar
          repositories created using ``bzr branch --no-tree ...``).
          """
          # Make sure the local repository exists.
          self.create()
          # Check the existence of the directory.
          checkout_directory = os.path.join(self.vcs_directory, 'checkout')
          return not self.context.is_directory(checkout_directory)