Gentoo Packages

# Copyright 1999-2019 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2

EAPI=7

DESCRIPTION="Void Linux kernel headers"
HOMEPAGE="https://voidlinux.org/"

MY_PV="${PV}_1"
MY_MAJOR=$(/bin/sed -E 's/([0-9]+.[0-9]+).[0-9]+/\1/' <<< "${PV}")

SRC_BASE="http://alpha.de.repo.voidlinux.org/current"
SRC_AMD64_URI="${SRC_BASE}/linux${MY_MAJOR}-headers-${MY_PV}.x86_64.xbps"

# .xbps is actually just .tar.xz. Rename it as such.
SRC_URI="
	amd64? ( ${SRC_AMD64_URI} -> void-linux-headers_amd64-bin-${PV}.tar.xz )
"

RESTRICT="mirror strip"

LICENSE="GPL-2"
SLOT="0"
KEYWORDS="~amd64"
IUSE=""
RDEPEND="
	=sys-kernel/void-sources-bin-${PV}-r0"

S=${WORKDIR}

# This is a binary package. Portage should 'skip' these steps.
src_configure() { :; }
src_compile()   { :; }

src_install() {
	dodir /usr/src
	mv usr/src/kernel-headers-"${MY_PV}" "${D}"/usr/src/linux-"${PV}"-void || die
}

pkg_postinst() {
	# Allow us to build externel kernel modules
	rm /lib/modules/"${MY_PV}"/source;
	rm /lib/modules/"${MY_PV}"/build;
	ln -s /usr/src/linux-"${PV}"-void /lib/modules/"${MY_PV}"/build  || die "Not able to symlink /usr/src/linux-"${PC}"-void to /lib/modules/"${MY_PV}"/build"
	ln -s /usr/src/linux-"${PV}"-void /lib/modules/"${MY_PV}"/source || die "Not able to symlink /usr/src/linux-"${PC}"-void to /lib/modules/"${MY_PV}"/source"

	# Place the config in the expected place for a gentoo system.
	mv /boot/config-"${MY_PV}" /usr/src/linux-"${PV}"-void/.config || die

	# Copy the System.map. The kernel deps will need manual `depmodding` if this isn't in place.
	cp /boot/System.map-"${MY_PV}" /usr/src/linux-"${PV}"-void/System.map || die "Not able to copy System.map"
}