##############################################################################
# Copyright (c) 2013-2018, 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/spack/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 Singularity(AutotoolsPackage):
    """Singularity is a container platform focused on supporting 'Mobility of
       Compute'"""

    homepage = "https://www.sylabs.io/singularity/"
    url      = "https://github.com/singularityware/singularity/releases/download/2.5.2/singularity-2.5.2.tar.gz"
    git      = "https://github.com/singularityware/singularity.git"

    # Versions before 2.5.2 suffer from a serious security problem.
    # https://nvd.nist.gov/vuln/detail/CVE-2018-12021
    version('develop', branch='master')
    version('2.5.2', '2edc1a8ac9a4d7d26fba6244f1c5fd95')

    depends_on('libarchive', when='@2.5.2:')
    # these are only needed if we're grabbing the unreleased tree
    depends_on('m4',       type='build', when='@develop')
    depends_on('autoconf', type='build', when='@develop')
    depends_on('automake', type='build', when='@develop')
    depends_on('libtool',  type='build', when='@develop')

    # When installing as root, the copy has to run before chmod runs
    def install(self, spec, prefix):
        make('install', parallel=False)
