sys-kernel/vanilla-kernel-bin: New package for prebuilt kernel

Add a binary counterpart for sys-kernel/vanilla-kernel.

Signed-off-by: Michał Górny <mgorny@gentoo.org>

diff --git a/sys-kernel/vanilla-kernel-bin/Manifest b/sys-kernel/vanilla-kernel-bin/Manifest
new file mode 100644 (file)
index 0000000..f6929ff
--- /dev/null
+++ b/sys-kernel/vanilla-kernel-bin/Manifest
@@ -0,0 +1,2 @@
+DIST vanilla-kernel-5.4.6-r1-1.amd64.xpak 89795144 BLAKE2B cca6e78f991cc79165a528d95fa1202b6f99dcf763f890609a0bf3e273cb81e786e39365a89e14282b75e259aa298b7349ee2868ef8437faae400475ad7e1c42 SHA512 de609b831db05c42350fe57e3248be3208c190ff99082088b5d2a1d69ec54734784f8143befbfd397deb9446228781ba25c1e50ecc020a651f6beda30be6ba97
+DIST vanilla-kernel-5.4.6-r1-1.x86.xpak 81308308 BLAKE2B f499c5a8e65d3754fd0e1ba65a2dfa7eb4fa9b8cbdf5e5957186dc40b1c5572dd66433284529b0ca93b7a3073103243d5f45ad8749ca891b1f86d838cbf363be SHA512 f8334097566ce8b1852ec65a5205221a2bb5193fc638756e87f6da2199cde1d1e73f85f9dd60679fccd18be11055c37da873b92a0e209775e7a9926f6ae94134

diff --git a/sys-kernel/vanilla-kernel-bin/metadata.xml b/sys-kernel/vanilla-kernel-bin/metadata.xml
new file mode 100644 (file)
index 0000000..cd6a1d0
--- /dev/null
+++ b/sys-kernel/vanilla-kernel-bin/metadata.xml
@@ -0,0 +1,15 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<pkgmetadata>
+       <maintainer type="person">
+               <email>mgorny@gentoo.org</email>
+               <name>Michał Górny</name>
+       </maintainer>
+       <maintainer type="person">
+               <email>zlogene@gentoo.org</email>
+               <name>Mikle Kolyada</name>
+       </maintainer>
+       <use>
+               <flag name='initramfs'>Build initramfs along with the kernel.</flag>
+       </use>
+</pkgmetadata>

diff --git a/sys-kernel/vanilla-kernel-bin/vanilla-kernel-bin-5.4.6.ebuild b/sys-kernel/vanilla-kernel-bin/vanilla-kernel-bin-5.4.6.ebuild
new file mode 100644 (file)
index 0000000..fa1b7e9
--- /dev/null
+++ b/sys-kernel/vanilla-kernel-bin/vanilla-kernel-bin-5.4.6.ebuild
@@ -0,0 +1,106 @@
+# Copyright 2019 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=7
+
+inherit mount-boot
+
+MY_P=vanilla-kernel-${PV}-r1-1
+DESCRIPTION="Pre-built vanilla Linux kernel"
+HOMEPAGE="https://www.kernel.org/"
+SRC_URI="
+       amd64? (
+               https://dev.gentoo.org/~mgorny/binpkg/amd64/kernel/sys-kernel/vanilla-kernel/${MY_P}.xpak
+                       -> ${MY_P}.amd64.xpak
+       )
+       x86? (
+               https://dev.gentoo.org/~mgorny/binpkg/x86/kernel/sys-kernel/vanilla-kernel/${MY_P}.xpak
+                       -> ${MY_P}.x86.xpak
+       )"
+S=${WORKDIR}
+
+LICENSE="GPL-2"
+SLOT="${PV}"
+KEYWORDS="~amd64 ~x86"
+IUSE="+initramfs"
+
+# install-DEPEND actually
+# note: we need installkernel with initramfs support!
+RDEPEND="
+       || (
+               sys-kernel/installkernel-gentoo
+               sys-kernel/installkernel-systemd-boot
+       )
+       initramfs? ( sys-kernel/dracut )
+       !sys-kernel/vanilla-kernel:${SLOT}"
+
+QA_PREBUILT='*'
+
+pkg_pretend() {
+       mount-boot_pkg_pretend
+
+       ewarn "This is an experimental package.  The built kernel and/or initramfs"
+       ewarn "may not work at all or fail with your bootloader configuration.  Please"
+       ewarn "make sure to keep a backup kernel available before testing it."
+}
+
+src_unpack() {
+       ebegin "Unpacking ${MY_P}.${ARCH}.xpak"
+       tar -x < <(xz -c -d --single-stream "${DISTDIR}/${MY_P}.${ARCH}.xpak")
+       eend ${?} || die "Unpacking ${MY_P} failed"
+}
+
+src_install() {
+       # cp is easier for preserving +x bits
+       cp -p -R . "${ED}" || die
+}
+
+pkg_preinst() {
+       :
+}
+
+pkg_postinst() {
+       if [[ -z ${ROOT} ]]; then
+               mount-boot_pkg_preinst
+
+               if use initramfs; then
+                       ebegin "Building initramfs via dracut"
+                       # putting it alongside kernel image as 'initrd' makes
+                       # kernel-install happier
+                       dracut --force "${EROOT}/usr/src/linux-${PV}/initrd" "${PV}"
+                       eend ${?} || die "Building initramfs failed"
+               fi
+
+               ebegin "Installing the kernel via installkernel"
+               # note: .config is taken relatively to System.map;
+               # initrd relatively to bzImage
+               installkernel "${PV}" \
+                       "${EROOT}/usr/src/linux-${PV}/bzImage" \
+                       "${EROOT}/usr/src/linux-${PV}/System.map"
+               eend ${?} || die "Installing the kernel failed"
+       fi
+
+       local symlink_target=$(readlink "${EROOT}"/usr/src/linux)
+       if [[ ${symlink_target} == linux-[0-9]* ]]; then
+               local symlink_ver=${symlink_target#linux-}
+               local symlink_pkg=${CATEGORY}/${PN}-${symlink_ver}
+               # if the current target is either being replaced, or still
+               # installed (probably depclean candidate), update the symlink
+               if has "${symlink_ver}" ${REPLACING_VERSIONS} ||
+                               has_version -r "~${symlink_pkg}"
+               then
+                       ebegin "Updating /usr/src/linux symlink"
+                       ln -f -n -s linux-${PV} "${EROOT}"/usr/src/linux
+                       eend ${?}
+               fi
+       fi
+}
+
+pkg_prerm() {
+       :
+}
+
+pkg_postrm() {
+       rm -f "${EROOT}/usr/src/linux-${PV}/initrd" &&
+       rmdir --ignore-fail-on-non-empty "${EROOT}/usr/src/linux-${PV}"
+}