# Maintainer: Ben Allen <bensallen@me.com>
# Contributor: Ben Allen <bensallen@me.com>

_flavor=${FLAVOR:-grsec}
_kpkg=linux-$_flavor
_kver=4.4.18
_kpkgrel=0

# when chaning _ver we *must* bump _mypkgrel
_ver=5.1.2
_mypkgrel=0
_name=virtualbox-guest-modules

# verify the kernel version before entering chroot
_kapkbuild=../../linux-${_flavor}/APKBUILD
if [ -f $_kapkbuild ]; then
	. $_kapkbuild
	pkgname=$_name-$_flavor
	[ "$_kver" != "$pkgver" ] && die "please update _kver to $pkgver"
	[ "$_kpkgrel" != "$pkgrel" ] && die "please update _kpkgrel to $pkgrel"
fi

_kpkgver="$_kver-r$_kpkgrel"
_abi_release=${_kver}-${_kpkgrel}-${_flavor}
_abi_release_virtgrsec=${_kver}-${_kpkgrel}-virtgrsec

pkgname=${_name}-${_flavor}
pkgver=$_kver
pkgrel=$(($_kpkgrel + $_mypkgrel))
pkgdesc="VirtualBox Additions kernel modules for $_flavor "
arch='x86 x86_64'
url='http://virtualbox.org'
license="GPL custom"
makedepends="linux-grsec-dev=$_kpkgver sed coreutils"
subpackages="$_name-virtgrsec:_virtgrsec"
source="http://download.virtualbox.org/virtualbox/$_ver/VirtualBox-$_ver.tar.bz2
"
builddir="$srcdir"/VirtualBox-$_ver

prepare() {
	local i
	cd "$builddir"
	$builddir/src/VBox/Additions/linux/export_modules "$builddir/vbox-kmod.tar.gz"
	tar -xf "$builddir/vbox-kmod.tar.gz"
	for i in $_abi_release $_abi_release_virtgrsec; do
		mkdir -p "$srcdir/$i"
		tar -C "$srcdir/$i" -zxf "$builddir"/vbox-kmod.tar.gz
	done
}

build() {
	local i
	for i in $_abi_release $_abi_release_virtgrsec; do
		cd "$srcdir/$i"
		# Build Kernel Modules
		make KERN_DIR=/lib/modules/${_abi_release}/build \
			KCFLAGS="-fno-pie" || return 1
	done
}

package() {
	local i module=
	for i in $_abi_release $_abi_release_virtgrsec; do
		cd "$srcdir/$i"
		for module in *.ko; do
			install -v -D -m644 ${module} \
				"$pkgdir/lib/modules/$i/misc/${module}"
		done
	done
}

_virtgrsec() {
	pkgdesc="VirtualBox Additions kernel modules for virtgrsec"
	mkdir -p "$subpkgdir"/lib/modules/
	mv "$pkgdir"/lib/modules/$_abi_release_virtgrsec \
		"$subpkgdir"/lib/modules/
}

md5sums="aff1647170dd92914cddfbd0254b9773  VirtualBox-5.1.2.tar.bz2"
sha256sums="03c92e3000d4b905d5b18a6abed757998125a37e5efa7864e62eae2baeabe010  VirtualBox-5.1.2.tar.bz2"
sha512sums="99919f2a8c5625ecd1cda766396cc9302fe81585bb15243d969b6a6bdd8f89cd029c5696e0160ca6c965bf43edb7f9ead6608304f20467fd0a6980a25ae84e68  VirtualBox-5.1.2.tar.bz2"