pkgname=git
pkgver=2.17.1
pkgrel=1
pkgdesc="Git is a free and open source distributed version control system designed to handle everything from small to very large projects with speed and efficiency."
arch=('x86_64')
url="https://git-scm.com/"
license=('GPL2')
depends=('curl' 'expat>=2.0' 'perl-error' 'perl' 'openssl' 'pcre2' 'perl-mailtools' 'shadow' 'grep')
makedepends=('python2' 'emacs' 'asciidoc' 'xmlto' 'asciidoc')
optdepends=('tk: gitk and git gui'
            'perl-libwww: git svn'
            'perl-term-readkey: git svn'
            'perl-net-smtp-ssl: git send-email TLS support'
            'python2: various helper scripts'
            'subversion: git svn')
install="git.install"
source=("https://www.kernel.org/pub/software/scm/git/git-$pkgver.tar"{.xz,.sign}
        '0001-perl-fix-installing-modules-from-contrib.patch'
        'git-daemon@.service'
        'git-daemon.socket'
        'git-sysusers.conf')
sha256sums=('79136e7aa83abae4d8a25c8111f113d3c5a63aeb5fd93cc72c26d49c6d5ba65e'
            'SKIP'
            'c105015d2e5e4e671cb766edf4169e853021b07296e6d449b3209b4de7848afc'
            '3bc3250d9e04b05c41975c01f85f512d3386d60b41475cbc7292bc88148852f6'
            'ac4c90d62c44926e6d30d18d97767efc901076d4e0283ed812a349aece72f203'
            '7630e8245526ad80f703fac9900a1328588c503ce32b37b9f8811674fcda4a45')
validpgpkeys=('96E07AF25771955980DAD10020D04E5A713660A7') # Junio C Hamano

make_paths=(
  prefix='/usr'
  gitexecdir='/usr/lib/git-core'
  perllibdir="$(/usr/bin/perl -MConfig -wle 'print $Config{installvendorlib}')"
)

make_options=(
  CFLAGS="$CFLAGS"
  LDFLAGS="$LDFLAGS"
  USE_LIBPCRE2=1
  NO_CROSS_DIRECTORY_HARDLINKS=1
  NO_PERL_CPAN_FALLBACKS=1
  MAN_BOLD_LITERAL=1
)

build() {
  export PYTHON_PATH='/usr/bin/python2'
  cd "${srcdir}/${pkgname}-${pkgver}"

  # perl: fix installing modules from contrib
  patch -Np1 < ../0001-perl-fix-installing-modules-from-contrib.patch

  make \
    "${make_paths[@]}" \
    "${make_options[@]}" \
    all doc

  make -C contrib/emacs prefix=/usr
  make -C contrib/subtree prefix=/usr gitexecdir=/usr/lib/git-core all doc
}

check() {
  export PYTHON_PATH='/usr/bin/python2'
  cd "$srcdir/$pkgname-$pkgver"
  local jobs
  jobs=$(expr "$MAKEFLAGS" : '.*\(-j[0-9]*\).*') || true
  mkdir -p /dev/shm/git-test
  # explicitly specify SHELL to avoid a test failure in t/t9903-bash-prompt.sh
  # which is caused by 'git rebase' trying to use builduser's SHELL inside the
  # build chroot (i.e.: /usr/bin/nologin)
  SHELL=/bin/sh \
  make \
    "${make_paths[@]}" \
    "${make_options[@]}" \
    NO_SVN_TESTS=y \
    DEFAULT_TEST_TARGET=prove \
    GIT_PROVE_OPTS="$jobs -Q" \
    GIT_TEST_OPTS="--root=/dev/shm/git-test" \
    test
}

package() {
  export PYTHON_PATH='/usr/bin/python2'
  cd "${srcdir}/${pkgname}-${pkgver}"
  make \
    "${make_paths[@]}" \
    "${make_options[@]}" \
    DESTDIR="$pkgdir" \
    install install-doc

  # bash completion
  mkdir -p "${pkgdir}/usr/share/bash-completion/completions/"
  install -m644 ./contrib/completion/git-completion.bash "${pkgdir}/usr/share/bash-completion/completions/git"
  # fancy git prompt
  mkdir -p "${pkgdir}/usr/share/git/"
  install -m644 ./contrib/completion/git-prompt.sh "${pkgdir}/usr/share/git/git-prompt.sh"
  # emacs
  make -C contrib/emacs prefix=/usr DESTDIR="$pkgdir" install
  # subtree installation
  make -C contrib/subtree prefix=/usr gitexecdir=/usr/lib/git-core DESTDIR="$pkgdir" install install-doc
  # the rest of the contrib stuff
  cp -a ./contrib/* $pkgdir/usr/share/git/

  # scripts are for python 2.x
  sed -i 's|#![ ]*/usr/bin/env python$|#!/usr/bin/env python2|' \
    $(find "$pkgdir" -name '*.py') \
    "$pkgdir"/usr/share/git/remote-helpers/git-remote-bzr \
    "$pkgdir"/usr/share/git/remote-helpers/git-remote-hg
  sed -i 's|#![ ]*/usr/bin/python$|#!/usr/bin/python2|' \
    "$pkgdir"/usr/share/git/svn-fe/svnrdump_sim.py

  # git-daemon via systemd socket activation
  install -D -m 0644 "$srcdir"/git-daemon@.service "$pkgdir"/usr/lib/systemd/system/git-daemon@.service
  install -D -m 0644 "$srcdir"/git-daemon.socket "$pkgdir"/usr/lib/systemd/system/git-daemon.socket

  # sysusers file
  install -D -m 0644 "$srcdir"/git-sysusers.conf "$pkgdir"/usr/lib/sysusers.d/git.conf
}