# Contributor: Łukasz Jendrysik <scadu@yandex.com>
# Maintainer: Natanael Copa <ncopa@alpinelinux.org>
#
# secfixes:
#   2.26.2-r0:
#     - CVE-2020-11008
#   2.26.1-r0:
#     - CVE-2020-5260
#   2.24.1-r0:
#     - CVE-2019-1348
#     - CVE-2019-1349
#     - CVE-2019-1350
#     - CVE-2019-1351
#     - CVE-2019-1352
#     - CVE-2019-1353
#     - CVE-2019-1354
#     - CVE-2019-1387
#     - CVE-2019-19604
#   2.19.1-r0:
#     - CVE-2018-17456
#   2.17.1-r0:
#     - CVE-2018-11233
#     - CVE-2018-11235
#   2.14.1-r0:
#     - CVE-2017-1000117

pkgname=git
pkgver=2.26.2
pkgrel=0
pkgdesc="Distributed version control system"
url="https://www.git-scm.com/"
arch="all"
license="GPL-2.0-or-later"
# we need tcl and tk to be built before git due to git-gui and gitk
makedepends="zlib-dev openssl-dev curl-dev expat-dev perl-dev python3-dev
	pcre2-dev asciidoc xmlto perl-error tcl tk"
# note that order matters
subpackages="$pkgname-doc
	$pkgname-bash-completion:completion:noarch
	perl-$pkgname-svn:_perl_git_svn:noarch
	perl-$pkgname:_perl_git:noarch
	$pkgname-svn
	$pkgname-email
	$pkgname-fast-import:_fast_import
	$pkgname-cvs::noarch
	$pkgname-p4::noarch
	$pkgname-daemon
	$pkgname-daemon-openrc:daemon_openrc
	$pkgname-gitweb::noarch
	$pkgname-subtree::noarch
	$pkgname-subtree-doc:subtree_doc:noarch
	$pkgname-perl:_git_perl:noarch
	$pkgname-gui::noarch
	$pkgname-gitk::noarch
	$pkgname-diff-highlight:diff_highlight:noarch
	"
source="https://www.kernel.org/pub/software/scm/git/git-$pkgver.tar.xz
	git-daemon.initd
	git-daemon.confd
	"

_gitcoredir=/usr/libexec/git-core

prepare() {
	default_prepare

	cat >> config.mak <<-EOF
		NO_GETTEXT=YesPlease
		NO_SVN_TESTS=YesPlease
		NO_REGEX=YesPlease
		USE_LIBPCRE2=YesPlease
		NO_SYS_POLL_H=1
		CFLAGS=$CFLAGS
		ICONV_OMITS_BOM=Yes
	EOF

	# The multimail hook is installed with git. Use python3 to avoid an
	# unnecessary python2 dependency.
	sed -i -e '1s@#!\( */usr/bin/env python\|%{__python2}\)$@#!%{__python3}@' \
		contrib/hooks/multimail/git_multimail.py \
		contrib/hooks/multimail/migrate-mailhook-config \
		contrib/hooks/multimail/post-receive.example
}

build() {
	make prefix=/usr DESTDIR="$pkgdir" perllibdir=$(_perl_config vendorlib)
}

check() {
	make prefix=/usr DESTDIR="$pkgdir" \
		perlibdir=$(_perl_config vendorlib) \
		GIT_SKIP_TESTS='t4061 t4124 t5003 t5616 t5703 t7063 t9020' \
		test
}

package() {
	make prefix=/usr DESTDIR="$pkgdir" INSTALLDIRS=vendor \
		perllibdir=$(_perl_config vendorlib) \
		install install-man

	mkdir -p "$pkgdir"/var/git
	install -Dm755 "$srcdir"/git-daemon.initd "$pkgdir"/etc/init.d/git-daemon
	install -Dm644 "$srcdir"/git-daemon.confd "$pkgdir"/etc/conf.d/git-daemon
}

_perl_git_svn() {
	pkgdesc="Perl interface to Git::SVN"
	depends="git=$pkgver-r$pkgrel perl-git=$pkgver-r$pkgrel"
	local vendorlib

	vendorlib=$(_perl_config vendorlib)

	mkdir -p "$subpkgdir"/$vendorlib/Git
	mv "$pkgdir"/$vendorlib/Git/SVN* "$subpkgdir"/$vendorlib/Git/
}

_perl_git() {
	pkgdesc="Perl interface to Git"
	depends="git=$pkgver-r$pkgrel perl-error"

	local i
	for i in "$(_perl_config vendorlib)" "$(_perl_config vendorarch)"; do
		[ -d "$pkgdir/$i" ] || continue
		mkdir -p "$subpkgdir"/${i%/*}
		mv "$pkgdir"/$i "$subpkgdir"/$i
	done
}

email() {
	pkgdesc="Git tools for sending email"
	depends="perl perl-git=$pkgver-r$pkgrel perl-net-smtp-ssl perl-authen-sasl"

	mkdir -p "$subpkgdir"/$_gitcoredir
	mv "$pkgdir"/$_gitcoredir/*email* "$pkgdir"/$_gitcoredir/*imap* \
		"$subpkgdir"/$_gitcoredir
}

svn() {
	pkgdesc="Subversion support for git"
	depends="perl perl-git-svn=$pkgver-r$pkgrel perl-subversion
		perl-term-readkey"

	mkdir -p "$subpkgdir"/$_gitcoredir
	mv "$pkgdir"/$_gitcoredir/git-svn \
		"$pkgdir"$_gitcoredir/git-remote-testsvn \
		"$subpkgdir"/$_gitcoredir/
}

cvs() {
	pkgdesc="Git tools for importing CVS repositories"
	depends="perl perl-git=$pkgver-r$pkgrel cvs perl-dbd-sqlite"

	mkdir -p "$subpkgdir"/usr/bin "$subpkgdir"/$_gitcoredir
	mv "$pkgdir"/usr/bin/git-cvs* "$subpkgdir"/usr/bin/
	mv "$pkgdir"/$_gitcoredir/*cvs* "$subpkgdir"/$_gitcoredir
}

_fast_import() {
	pkgdesc="Git backend for fast Git data importers"
	depends="git=$pkgver-r$pkgrel"

	mkdir -p "$subpkgdir"/$_gitcoredir
	mv "$pkgdir"/$_gitcoredir/git-fast-import "$subpkgdir"/$_gitcoredir/
}

p4() {
	pkgdesc="Git tools for working with Perforce depots"
	depends="git=$pkgver-r$pkgrel git-fast-import=$pkgver-r$pkgrel"

	mkdir -p "$subpkgdir"/$_gitcoredir/mergetools
	mv "$pkgdir"/$_gitcoredir/*p4* "$subpkgdir"/$_gitcoredir/
	mv "$pkgdir"/$_gitcoredir/mergetools/*p4* \
		"$subpkgdir"/$_gitcoredir/mergetools/
}

daemon() {
	pkgdesc="Git protocol daemon"
	depends="git=$pkgver-r$pkgrel"

	mkdir -p "$subpkgdir"/$_gitcoredir
	mv "$pkgdir"/$_gitcoredir/git-daemon \
		"$pkgdir"/$_gitcoredir/git-http-backend \
		"$pkgdir"/$_gitcoredir/git-shell \
		"$subpkgdir"/$_gitcoredir/
}

daemon_openrc() {
	pkgdesc="Git protocol daemon"

	default_openrc

	depends="git-daemon=$pkgver-r$pkgrel $depends_openrc"
	install_if="openrc $pkgname-daemon=$pkgver-r$pkgrel"
}

gitweb() {
	pkgdesc="Simple web interface to git repositories"
	depends="git=$pkgver-r$pkgrel perl"

	mkdir -p "$subpkgdir"/usr/share "$subpkgdir"$_gitcoredir
	mv "$pkgdir"/usr/share/gitweb "$subpkgdir"/usr/share/
	mv "$pkgdir"/$_gitcoredir/git-instaweb "$subpkgdir"$_gitcoredir/
}

completion() {
	pkgdesc="Bash completion for $pkgname"
	depends=""
	install_if="$pkgname=$pkgver-r$pkgrel bash-completion"

	install -Dm644 "$builddir"/contrib/completion/git-completion.bash \
		"$subpkgdir"/usr/share/bash-completion/completions/git
}

subtree() {
	depends="git=$pkgver-r$pkgrel"
	pkgdesc="Split git repository into subtrees"

	cd "$builddir"/contrib/subtree
	make prefix=/usr DESTDIR="$pkgdir"
	make install prefix=/usr DESTDIR="$subpkgdir"
}

subtree_doc() {
	pkgdesc="Split git repository into subtrees (documentation)"
	depends=""

	cd "$builddir"/contrib/subtree
	make install-man prefix=/usr DESTDIR="$subpkgdir"
	gzip -9 "$subpkgdir"/usr/share/man/man1/git-subtree.1
}

gui() {
	pkgdesc="GUI interface for git"
	depends="git=$pkgver-r$pkgrel tcl tk"

	mkdir -p "$subpkgdir"/usr/share "$subpkgdir"/usr/libexec/git-core
	mv "$pkgdir"/usr/share/git-gui "$subpkgdir"/usr/share/
	mv "$pkgdir"/usr/libexec/git-core/git-citool \
		"$pkgdir"/usr/libexec/git-core/git-gui \
		"$pkgdir"/usr/libexec/git-core/git-gui--askpass \
		"$subpkgdir"/usr/libexec/git-core/
}

gitk() {
	pkgdesc="Gitk interface for git"
	depends="git=$pkgver-r$pkgrel tcl tk"

	mkdir -p "$subpkgdir"/usr/share "$subpkgdir"/usr/bin
	mv "$pkgdir"/usr/share/gitk "$subpkgdir"/usr/share/
	mv "$pkgdir"/usr/bin/gitk "$subpkgdir"/usr/bin/
}

diff_highlight() {
	pkgdesc="diff highlight for git"
	depends="git=$pkgver-r$pkgrel perl"

	cd "$builddir"/contrib/diff-highlight

	make prefix=/usr DESTDIR="$subpkgdir"

	mkdir -p "$subpkgdir"/usr/bin
	install -Dm755 diff-highlight "$subpkgdir"/usr/bin/
}

# catch-the-rest of stuff that needs perl
_git_perl() {
	pkgdesc="Additional Git commands that requires perl"
	depends="git=$pkgver-r$pkgrel perl-git=$pkgver-r$pkgrel perl"
	install_if="git=$pkgver-r$pkgrel perl"

	mkdir -p "$subpkgdir"/usr/lib
	cd "$pkgdir"
	find -type f | xargs file --mime-type | grep perl | cut -d: -f1| while read f; do
		mkdir -p "$subpkgdir"/${f%/*}
		mv "$f" "$subpkgdir"/${f%/*}
	done
	find "$subpkgdir" -name perllocal.pod -delete
}

# Prints values of the Config.pm variable $1.
_perl_config() {
	perl -e "use Config; print \$Config{$1};"
}

sha512sums="5d92d07b171c5cd6e89a29c1211c73c1c900cd51c74d690aebfb4a3d0e93b541b09b42b6d6a1a82f5c3d953096771f9a8605c63be139f559f58698c1a0eabcfc  git-2.26.2.tar.xz
89528cdd14c51fd568aa61cf6c5eae08ea0844e59f9af9292da5fc6c268261f4166017d002d494400945e248df6b844e2f9f9cd2d9345d516983f5a110e4c42a  git-daemon.initd
fbf1f425206a76e2a8f82342537ed939ff7e623d644c086ca2ced5f69b36734695f9f80ebda1728f75a94d6cd2fcb71bf845b64239368caab418e4d368c141ec  git-daemon.confd"