old_contents: ##############################################################################
  # Copyright (c) 2013-2016, Lawrence Livermore National Security, LLC.
  # Produced at the Lawrence Livermore National Laboratory.
  #
  # This file is part of Spack.
  # Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
  # LLNL-CODE-647188
  #
  # For details, see https://github.com/llnl/spack
  # Please also see the LICENSE file for our notice and the LGPL.
  #
  # This program is free software; you can redistribute it and/or modify
  # it under the terms of the GNU Lesser General Public License (as
  # published by the Free Software Foundation) version 2.1, February 1999.
  #
  # This program is distributed in the hope that it will be useful, but
  # WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
  # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
  # conditions of the GNU Lesser General Public License for more details.
  #
  # You should have received a copy of the GNU Lesser General Public
  # License along with this program; if not, write to the Free Software
  # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  ##############################################################################
  #
  # Based on Homebrew's formula:
  # https://github.com/Homebrew/homebrew-core/blob/master/Formula/cask.rb
  #
  from spack import *
  from glob import glob
  
  
  class Cask(Package):
      """Cask is a project management tool for Emacs Lisp to automate the package
         development cycle; development, dependencies, testing, building,
         packaging and more."""
      homepage = "http://cask.readthedocs.io/en/latest/"
      url      = "https://github.com/cask/cask/archive/v0.7.4.tar.gz"
  
      version('0.7.4', 'c973a7db43bc980dd83759a5864a1260')
  
      depends_on('emacs', type=nolink)
  
      def install(self, spec, prefix):
          mkdirp(prefix.bin)
          install('bin/cask', prefix.bin)
          install_tree('templates', join_path(prefix, 'templates'))
          for el_file in glob("*.el"):
              install(el_file, prefix)
          for misc_file in ['COPYING', 'cask.png', 'README.md']:
              install(misc_file, prefix)
          # disable cask's automatic upgrading feature
          touch(join_path(prefix, ".no-upgrade"))
  
new_contents: ##############################################################################
  # Copyright (c) 2013-2016, Lawrence Livermore National Security, LLC.
  # Produced at the Lawrence Livermore National Laboratory.
  #
  # This file is part of Spack.
  # Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
  # LLNL-CODE-647188
  #
  # For details, see https://github.com/llnl/spack
  # Please also see the LICENSE file for our notice and the LGPL.
  #
  # This program is free software; you can redistribute it and/or modify
  # it under the terms of the GNU Lesser General Public License (as
  # published by the Free Software Foundation) version 2.1, February 1999.
  #
  # This program is distributed in the hope that it will be useful, but
  # WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
  # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
  # conditions of the GNU Lesser General Public License for more details.
  #
  # You should have received a copy of the GNU Lesser General Public
  # License along with this program; if not, write to the Free Software
  # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  ##############################################################################
  #
  # Based on Homebrew's formula:
  # https://github.com/Homebrew/homebrew-core/blob/master/Formula/cask.rb
  #
  from spack import *
  from glob import glob
  
  
  class Cask(Package):
      """Cask is a project management tool for Emacs Lisp to automate the package
         development cycle; development, dependencies, testing, building,
         packaging and more."""
      homepage = "http://cask.readthedocs.io/en/latest/"
      url      = "https://github.com/cask/cask/archive/v0.7.4.tar.gz"
  
      version('0.8.1', '25196468a7ce634cfff14733678be6ba')
      # version 0.8.0 is broken
      version('0.7.4', 'c973a7db43bc980dd83759a5864a1260')
  
      depends_on('emacs', type=nolink)
  
      def install(self, spec, prefix):
          mkdirp(prefix.bin)
          install('bin/cask', prefix.bin)
          install_tree('templates', join_path(prefix, 'templates'))
          for el_file in glob("*.el"):
              install(el_file, prefix)
          for misc_file in ['COPYING', 'cask.png', 'README.md']:
              install(misc_file, prefix)
          # disable cask's automatic upgrading feature
          touch(join_path(prefix, ".no-upgrade"))
  
subject: Update cask to v0.8.1 (#2125)