# Copyright 2013-2020 Lawrence Livermore National Security, LLC and other
# Spack Project Developers. See the top-level COPYRIGHT file for details.
#
# SPDX-License-Identifier: (Apache-2.0 OR MIT)

from spack import *
import re


class Findutils(AutotoolsPackage, GNUMirrorPackage):
    """The GNU Find Utilities are the basic directory searching
       utilities of the GNU operating system."""

    homepage = "https://www.gnu.org/software/findutils/"
    gnu_mirror_path = "findutils/findutils-4.6.0.tar.gz"

    executables = ['^find$']

    version('4.6.0',  sha256='ded4c9f73731cd48fec3b6bdaccce896473b6d8e337e9612e16cf1431bb1169d')
    version('4.4.2',  sha256='434f32d171cbc0a5e72cfc5372c6fc4cb0e681f8dce566a0de5b6fccd702b62a')
    version('4.4.1',  sha256='77a5b85d7fe0dd9c1093e010b61f765707364ec2c89c4f432c1c616215bcc138')
    version('4.4.0',  sha256='fb108c2959f17baf3559da9b3854495b9bb69fb13309fdd05576c66feb661ea9')
    version('4.2.33', sha256='813cd9405aceec5cfecbe96400d01e90ddad7b512d3034487176ce5258ab0f78')
    version('4.2.32', sha256='87bd8804f3c2fa2fe866907377afd8d26a13948a4bb1761e5e95d0494a005217')
    version('4.2.31', sha256='e0d34b8faca0b3cca0703f6c6b498afbe72f0ba16c35980c10ec9ef7724d6204')
    version('4.2.30', sha256='344b9cbb4034907f80398c6a6d3724507ff4b519036f13bb811d12f702043af4')
    version('4.2.29', sha256='1a9ed8db0711f8419156e786b6aecd42dd05df29e53e380d8924e696f7071ae0')
    version('4.2.28', sha256='aa27de514b44eb763d276ad8f19fef31a07bd63ac7ca6870d2be5cd58de862c8')
    version('4.2.27', sha256='546bc7932e716beaa960116766ea4d890f292c6fbde221ec10cdd8ec37329654')
    version('4.2.26', sha256='74fa9030b97e074cbeb4f6c8ec964c5e8292cf5a62b195086113417f75ab836a')
    version('4.2.25', sha256='a2bc59e80ee599368584f4ac4a6e647011700e1b5230e65eb3170c603047bb51')
    version('4.2.23', sha256='d3ca95bf003685c3c34eb59e41c5c4b366fb582a53c4cfa9da0424d98ff23be3')
    version('4.2.20', sha256='4e4d72a4387fcc942565c45460e632001db6bde0a46338a6a1b59b956fd3e031')
    version('4.2.18', sha256='05c33f3e46fa11275f89ae968af70c83b01a2c578ec4fa5abf5c33c7e4afe44d')
    version('4.2.15', sha256='5ede832e70c1691a59e6d5e5ebc2b843120d631b93cd60b905b2edeb078d3719')
    version('4.1.20', sha256='8c5dd50a5ca54367fa186f6294b81ec7a365e36d670d9feac62227cb513e63ab')
    version('4.1',    sha256='487ecc0a6c8c90634a11158f360977e5ce0a9a6701502da6cb96a5a7ec143fac')

    depends_on('autoconf', type='build', when='@4.6.0')
    depends_on('automake', type='build', when='@4.6.0')
    depends_on('libtool', type='build', when='@4.6.0')
    depends_on('m4', type='build', when='@4.6.0')
    depends_on('texinfo', type='build', when='@4.6.0')

    # findutils does not build with newer versions of glibc
    patch('https://src.fedoraproject.org/rpms/findutils/raw/97ba2d7a18d1f9ae761b6ff0b4f1c4d33d7a8efc/f/findutils-4.6.0-gnulib-fflush.patch', sha256='84b916c0bf8c51b7e7b28417692f0ad3e7030d1f3c248ba77c42ede5c1c5d11e', when='@4.6.0')
    patch('https://src.fedoraproject.org/rpms/findutils/raw/97ba2d7a18d1f9ae761b6ff0b4f1c4d33d7a8efc/f/findutils-4.6.0-gnulib-makedev.patch', sha256='bd9e4e5cc280f9753ae14956c4e4aa17fe7a210f55dd6c84aa60b12d106d47a2', when='@4.6.0')

    patch('nvhpc.patch', when='%nvhpc')

    build_directory = 'spack-build'

    @classmethod
    def determine_version(cls, exe):
        output = Executable(exe)('--version', output=str, error=str)
        match = re.search(r'find \(GNU findutils\)\s+(\S+)', output)
        return match.group(1) if match else None

    @property
    def force_autoreconf(self):
        # Run autoreconf due to build system patch (gnulib-makedev)
        return self.spec.satisfies('@4.6.0')

    @when('@4.6.0')
    def patch(self):
        # We have to patch out gettext support, otherwise autoreconf tries to
        # call autopoint, which depends on find, which is part of findutils.
        filter_file('^AM_GNU_GETTEXT.*',
                    '',
                    'configure.ac')

        filter_file(r'^SUBDIRS = (.*) po (.*)',
                    r'SUBDIRS = \1 \2',
                    'Makefile.am')