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
  ##############################################################################
  from spack import *
  import os
  import subprocess
  
  
  class Matlab(Package):
      """MATLAB (MATrix LABoratory) is a multi-paradigm numerical computing
      environment and fourth-generation programming language. A proprietary
      programming language developed by MathWorks, MATLAB allows matrix
      manipulations, plotting of functions and data, implementation of
      algorithms, creation of user interfaces, and interfacing with programs
      written in other languages, including C, C++, C#, Java, Fortran and Python.
  
      Note: MATLAB is licensed software. You will need to create an account on
      the MathWorks homepage and download MATLAB yourself. Spack will search your
      current directory for the download file. Alternatively, add this file to a
      mirror so that Spack can find it. For instructions on how to set up a
      mirror, see http://spack.readthedocs.io/en/latest/mirrors.html"""
  
      homepage = "https://www.mathworks.com/products/matlab.html"
  
      version('R2016b', 'b0e0b688894282139fa787b5a86a5cf7')
  
      variant('mode', default='interactive', description='Installation mode (interactive, silent, or automated)')
      variant('key',  default='',            description='The file installation key to use')
  
      # Licensing
      license_required = True
      license_comment  = '#'
      license_files    = ['licenses/license.dat']
      license_vars     = ['LM_LICENSE_FILE']
      license_url      = 'https://www.mathworks.com/help/install/index.html'
  
      def url_for_version(self, version):
          return "file://{0}/matlab_{1}_glnxa64.zip".format(os.getcwd(), version)
  
      def configure(self, spec, prefix):
          config = {
              'destinationFolder':   prefix,
              'mode':                spec.variants['mode'].value,
              'fileInstallationKey': spec.variants['key'].value,
              'licensePath':         self.global_license_file
          }
  
          # Store values requested by the installer in a file
          with open('spack_installer_input.txt', 'w') as inputFile:
              for key in config:
                  inputFile.write('{0}={1}\n'.format(key, config[key]))
  
      def install(self, spec, prefix):
          self.configure(spec, prefix)
  
          # Run silent installation script
          # Full path required
          inputFile = join_path(self.stage.source_path,
                                'spack_installer_input.txt')
          subprocess.call(['./install', '-inputFile', inputFile])
  
subject: Add MATLAB package (#2614)