old_contents: ##############################################################################
  # Copyright (c) 2013, Lawrence Livermore National Security, LLC.
  # Produced at the Lawrence Livermore National Laboratory.
  #
  # This file is part of Spack.
  # Written 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 General Public License (as published by
  # the Free Software Foundation) version 2.1 dated 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 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
  ##############################################################################
  import argparse
  
  import spack.cmd
  import spack
  
  
  description="Patch expanded archive sources in preparation for install"
  
  def setup_parser(subparser):
      subparser.add_argument(
          '-n', '--no-checksum', action='store_true', dest='no_checksum',
          help="Do not check downloaded packages against checksum")
      subparser.add_argument(
          'packages', nargs=argparse.REMAINDER, help="specs of packages to stage")
  
  
  def patch(parser, args):
      if not args.packages:
          tty.die("patch requires at least one package argument")
  
      if args.no_checksum:
          spack.do_checksum = False
  
      specs = spack.cmd.parse_specs(args.packages, concretize=True)
      for spec in specs:
          package = spack.repo.get(spec)
          package.do_patch()
  
new_contents: ##############################################################################
  # Copyright (c) 2013, Lawrence Livermore National Security, LLC.
  # Produced at the Lawrence Livermore National Laboratory.
  #
  # This file is part of Spack.
  # Written 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 General Public License (as published by
  # the Free Software Foundation) version 2.1 dated 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 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
  ##############################################################################
  import argparse
  
  import llnl.util.tty as tty
  import spack.cmd
  import spack
  
  
  description="Patch expanded archive sources in preparation for install"
  
  def setup_parser(subparser):
      subparser.add_argument(
          '-n', '--no-checksum', action='store_true', dest='no_checksum',
          help="Do not check downloaded packages against checksum")
      subparser.add_argument(
          'packages', nargs=argparse.REMAINDER, help="specs of packages to stage")
  
  
  def patch(parser, args):
      if not args.packages:
          tty.die("patch requires at least one package argument")
  
      if args.no_checksum:
          spack.do_checksum = False
  
      specs = spack.cmd.parse_specs(args.packages, concretize=True)
      for spec in specs:
          package = spack.repo.get(spec)
          package.do_patch()
  
subject: fix error exit when doing spack patch without parameters, same as spack stage