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# 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 *


class Nseg(MakefilePackage):
    """NSEG - Low complexity sequence identification"""

    homepage = "ftp://ftp.ncbi.nih.gov/pub/seg/nseg/"
    url      = "ftp://ftp.ncbi.nih.gov/pub/seg/nseg/nseg.c"

    version('1.0', sha256='afae364fbe51caa1eccb704ed0b954437a3ef48a0cd3bf473f4b61d6fde9617e',
            expand=False)

    resource(
        name='makefile',
        url="ftp://ftp.ncbi.nih.gov/pub/seg/nseg/makefile",
        sha256='32937aef6969550ca3c762b5dd61b1520635cc46e773e35e56c5718f75838cee',
        expand=False,
    )

    resource(
        name='genwin.c',
        url="ftp://ftp.ncbi.nih.gov/pub/seg/nseg/genwin.c",
        sha256='d392d2db625dc8c90b00f2a86028a3a45d121e15eb403b51c2f9b01692ab10d9',
        expand=False,
    )

    resource(
        name='genwin.h',
        url="ftp://ftp.ncbi.nih.gov/pub/seg/nseg/genwin.h",
        sha256='1c701d87bf6200bfa40faa16fe665828a010727ef1aa0e8a1e5823605165fb86',
        expand=False,
    )

    resource(
        name='lnfac.h',
        url="ftp://ftp.ncbi.nih.gov/pub/seg/nseg/lnfac.h",
        sha256='5048e4f3dc3a7ea420d4eb4912a661f285634fbb205411b647b1f00c3fe3a0d2',
        expand=False,
    )

    resource(
        name='nmerge.c',
        url="ftp://ftp.ncbi.nih.gov/pub/seg/nseg/nmerge.c",
        sha256='c8a4bb4c960acf7fcd7509b635766b618efdab9f09aec36443040759eca3bce3',
        expand=False,
    )

    resource(
        name='runnseg',
        url="ftp://ftp.ncbi.nih.gov/pub/seg/nseg/runnseg",
        sha256='2830a5a1c5ea1a879cf3a415dfbb23db7a81e84d41698ddf765f2e1ef42e7c78',
        expand=False,
    )

    build_directory = 'nseg'

    @run_before('build')
    def prepare_source(self):
        # create the build dir
        mkdirp(self.build_directory)

        # move the primary source file in
        copy('nseg.c', join_path(self.build_directory, 'nseg.c'))

        # move all of the single-file resources into the build dir
        for key in self.resources:
            for res in self.resources[key]:
                res_name = res.name
                res_path = join_path(res.fetcher.stage.source_path, res.name)
                copy(res_path, join_path(self.build_directory, res_name))

    def install(self, spec, prefix):
        with working_dir(self.build_directory):
            mkdirp(prefix.bin)
            install('nseg', prefix.bin)
            install('nmerge', prefix.bin)