# Copyright 2013-2023 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)

import re

from spack.package import *


class Coreutils(AutotoolsPackage, GNUMirrorPackage):
    """The GNU Core Utilities are the basic file, shell and text
    manipulation utilities of the GNU operating system.  These are
    the core utilities which are expected to exist on every
    operating system.
    """

    homepage = "https://www.gnu.org/software/coreutils/"
    gnu_mirror_path = "coreutils/coreutils-8.26.tar.xz"

    tags = ["core-packages"]

    executables = [r"^md5sum$"]

    license("GPL-3.0-or-later")

    version("9.3", sha256="adbcfcfe899235b71e8768dcf07cd532520b7f54f9a8064843f8d199a904bbaa")
    version("9.2", sha256="6885ff47b9cdb211de47d368c17853f406daaf98b148aaecdf10de29cc04b0b3")
    version("9.1", sha256="61a1f410d78ba7e7f37a5a4f50e6d1320aca33375484a3255eddf17a38580423")
    version("9.0", sha256="ce30acdf4a41bc5bb30dd955e9eaa75fa216b4e3deb08889ed32433c7b3b97ce")
    version("8.32", sha256="4458d8de7849df44ccab15e16b1548b285224dbba5f08fac070c1c0e0bcc4cfa")
    version("8.31", sha256="ff7a9c918edce6b4f4b2725e3f9b37b0c4d193531cac49a48b56c4d0d3a9e9fd")
    version("8.30", sha256="e831b3a86091496cdba720411f9748de81507798f6130adeaef872d206e1b057")
    version("8.29", sha256="92d0fa1c311cacefa89853bdb53c62f4110cdfda3820346b59cbd098f40f955e")
    version("8.26", sha256="155e94d748f8e2bc327c66e0cbebdb8d6ab265d2f37c3c928f7bf6c3beba9a8e")
    version("8.23", sha256="ec43ca5bcfc62242accb46b7f121f6b684ee21ecd7d075059bf650ff9e37b82d")

    variant(
        "gprefix",
        default=False,
        description="prefix commands with 'g', to avoid conflicts with OS utilities",
    )

    # gnulib bug introced in commit cbdb5ea63cb5348d9ead16dc46bedda77a4c3d7d.
    # fix is from commit 84863a1c4dc8cca8fb0f6f670f67779cdd2d543b
    patch("gnulib.patch", when="@9.1")
    patch(
        "https://src.fedoraproject.org/rpms/coreutils/raw/6b50cb9f/f/coreutils-8.32-ls-removed-dir.patch",
        when="@8.32 target=aarch64:",
        sha256="5878894375a8fda98150783430b30c0b7104899dc5522034ebcaf8c961183b7e",
    )

    build_directory = "spack-build"

    def configure_args(self):
        spec = self.spec
        configure_args = []
        if spec.satisfies("platform=darwin"):
            if "+gprefix" in self.spec:
                configure_args.append("--program-prefix=g")
            configure_args.append("--without-gmp")
            configure_args.append("gl_cv_func_ftello_works=yes")

        return configure_args

    @classmethod
    def determine_version(cls, exe):
        output = Executable(exe)("--version", output=str, error=str)
        match = re.search(r"\(GNU coreutils\)\s+([\d\.]+)", output)
        return match.group(1) if match else None