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# Copyright 2013-2021 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 os

from spack import *


class Trf(AutotoolsPackage):
    """Tandem Repeats Finder is a program to locate and display tandem repeats
       in DNA sequences.

       Note: A manual download is required for TRF.
       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
       https://spack.readthedocs.io/en/latest/mirrors.html"""

    homepage = "https://tandem.bu.edu/trf/trf.html"
    url      = "https://github.com/Benson-Genomics-Lab/TRF/archive/refs/tags/v4.09.1.tar.gz"

    version('4.09.1',      sha256='516015b625473350c3d1c9b83cac86baea620c8418498ab64c0a67029c3fb28a')
    version('4.09',        sha256='9332155384bef82f6c7c449c038d27f1a14b984b2e93000bfcf125f4d44d6aca')

    # Beginning with version 4.09, trf is open source and available via github.
    # Only version 4.07b needs to be installed as a binary.
    manual_download = True

    version('4.07b',
            sha256='a3a760c7b74c9603fbc08d95e8fa696c00f35a2f179b0bd63b2b13757ad3b471',
            expand=False,
            url='file://{0}/trf407b.linux64'.format(os.getcwd()),
            deprecated=True)

    @when('@4.07b')
    def autoreconf(self, spec, prefix):
        touch('configure')

    @when('@4.07b')
    def configure(self, spec, prefix):
        pass

    @when('@4.07b')
    def build(self, spec, prefix):
        pass

    @when('@4.07b')
    def install(self, spec, prefix):
        mkdirp(prefix.bin)

        trfname = 'trf{0}.linux64'.format(self.version.joined)

        install(trfname, prefix.bin)
        chmod = which('chmod')
        chmod('+x', os.path.join(prefix.bin, trfname))
        os.symlink(trfname, prefix.bin.trf)