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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)

from spack import *


class GitImerge(MakefilePackage):
    """git-imerge: Incremental merge & rebase for git

       Perform a merge between two branches incrementally. If
       conflicts are encountered, figure out exactly which pairs of
       commits conflict, and present the user with one pairwise
       conflict at a time for resolution.

       git-imerge has two primary design goals:

       * Reduce the pain of resolving merge conflicts to its
         unavoidable minimum, by finding and presenting the smallest
         possible conflicts: those between the changes introduced by
         one commit from each branch.

       * Allow a merge to be saved, tested, interrupted, published,
         and collaborated on while it is in progress."""

    homepage = "https://github.com/mhagger/git-imerge"
    url      = "https://github.com/mhagger/git-imerge/archive/v1.1.0.tar.gz"

    version('1.1.0', sha256='62692f43591cc7d861689c60b68c55d7b10c7a201c1026096a7efc771df2ca28')
    version('1.0.0', sha256='2ef3a49a6d54c4248ef2541efc3c860824fc8295a7226760f24f0bb2c5dd41f2')

    depends_on('python@2.6:')
    depends_on('py-argparse', when='^python@:2.6')
    depends_on('git')

    # Package copies a Python script and bash-completion files, so
    # there's no need to "build" anything.
    def build(self, spec, prefix):
        pass

    def install(self, spec, prefix):
        make('DESTDIR={0}'.format(prefix), 'PREFIX=', 'install')