old_contents: ##############################################################################
  # Copyright (c) 2013-2017, 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 NOTICE and LICENSE files 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
  ##############################################################################
  from spack import *
  
  
  class Libsodium(AutotoolsPackage):
      """Sodium is a modern, easy-to-use software library for encryption,
      decryption, signatures, password hashing and more."""
      homepage = "https://download.libsodium.org/doc/"
      url      = "https://download.libsodium.org/libsodium/releases/libsodium-1.0.11.tar.gz"
      list_url = "https://download.libsodium.org/libsodium/releases/old"
  
      version('1.0.11', 'b58928d035064b2a46fb564937b83540')
      version('1.0.10', 'ea89dcbbda0b2b6ff6a1c476231870dd')
      version('1.0.3', 'b3bcc98e34d3250f55ae196822307fab')
      version('1.0.2', 'dc40eb23e293448c6fc908757738003f')
      version('1.0.1', '9a221b49fba7281ceaaf5e278d0f4430')
      version('1.0.0', '3093dabe4e038d09f0d150cef064b2f7')
      version('0.7.1', 'c224fe3923d1dcfe418c65c8a7246316')
  
      def url_for_version(self, version):
          url = 'https://download.libsodium.org/libsodium/releases/'
          if version < Version('1.0.4'):
              url += 'old/'
          return url + 'libsodium-{0}.tar.gz'.format(version)
  
new_contents: ##############################################################################
  # Copyright (c) 2013-2017, 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 NOTICE and LICENSE files 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
  ##############################################################################
  from spack import *
  
  
  class Libsodium(AutotoolsPackage):
      """Sodium is a modern, easy-to-use software library for encryption,
      decryption, signatures, password hashing and more."""
      homepage = "https://download.libsodium.org/doc/"
      url      = "https://download.libsodium.org/libsodium/releases/libsodium-1.0.13.tar.gz"
      list_url = "https://download.libsodium.org/libsodium/releases/old"
  
      version('1.0.13', 'f38aac160a4bd05f06f743863e54e499')
      version('1.0.12', 'c308e3faa724b630b86cc0aaf887a5d4')
      version('1.0.11', 'b58928d035064b2a46fb564937b83540')
      version('1.0.10', 'ea89dcbbda0b2b6ff6a1c476231870dd')
      version('1.0.3', 'b3bcc98e34d3250f55ae196822307fab')
      version('1.0.2', 'dc40eb23e293448c6fc908757738003f')
      version('1.0.1', '9a221b49fba7281ceaaf5e278d0f4430')
      version('1.0.0', '3093dabe4e038d09f0d150cef064b2f7')
      version('0.7.1', 'c224fe3923d1dcfe418c65c8a7246316')
  
      def url_for_version(self, version):
          url = 'https://download.libsodium.org/libsodium/releases/'
          if version < Version('1.0.4'):
              url += 'old/unsupported/'
          elif version < Version('1.0.12'):
              url += 'old/'
          return url + 'libsodium-{0}.tar.gz'.format(version)
  
subject: update URLs (#5355)