text: # Copyright 2013-2022 Lawrence Livermore National Security, LLC and other
  # Spack Project Developers. See the top-level COPYRIGHT file for details.
  #
  # SPDX-License-Identifier: (Apache-2.0 OR MIT)
  
  from spack.package import *
  
  
  class Noversion(Package):
      """
      Simple package with no version, which should be rejected since a version
      is required.
      """
  
      homepage = "http://www.example.com"
      url      = "http://www.example.com/a-1.0.tar.gz"
  
      def install(self, spec, prefix):
          touch(join_path(prefix, 'an_installation_file'))
  