[gentoo-commits] repo/gentoo:master commit in: sys-kernel/installkernel/

["Andrew Ammerlaan" <andrewammerlaan@gentoo.org>]

commit:     d945ba01463f2a09ca5244de0a5574c6a07ac3e2
Author:     Andrew Ammerlaan <andrewammerlaan <AT> gentoo <DOT> org>
AuthorDate: Tue Jul 30 17:52:39 2024 +0000
Commit:     Andrew Ammerlaan <andrewammerlaan <AT> gentoo <DOT> org>
CommitDate: Tue Jul 30 17:55:30 2024 +0000
URL:        https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=d945ba01

sys-kernel/installkernel: add 42

this release adds disk space checks to ensure we don't confuse the bootloader
with incomplete kernels and adds basic logging to /var/log/installkernel.log

Signed-off-by: Andrew Ammerlaan <andrewammerlaan <AT> gentoo.org>

 sys-kernel/installkernel/Manifest                |   1 +
 sys-kernel/installkernel/installkernel-42.ebuild | 231 +++++++++++++++++++++++
 2 files changed, 232 insertions(+)

diff --git a/sys-kernel/installkernel/Manifest b/sys-kernel/installkernel/Manifest
index c16fcadb80e1..dc98d94b4e96 100644
--- a/sys-kernel/installkernel/Manifest
+++ b/sys-kernel/installkernel/Manifest
@@ -1,3 +1,4 @@
 DIST installkernel-39.tar.gz 21689 BLAKE2B 22c76e735fb9849ff2b2daf44d428568435495251960e0f518ab12167d57c31bba670738fd51c4d564f95adcfcbf60b5324d048a1f6bd7ebf9d1b5258f0371b3 SHA512 5a5d2035fa737ede3aa9e668ac18d1777f77f15a38fb685e3e488cc06ef5da99d55789e8e5770e056025f224ff5a5ec57e75fa08cf6f3ec3a0b9dabdfe6fefaa
 DIST installkernel-40.tar.gz 22667 BLAKE2B cc3dd370428fa2e2b585feb9743db16bfa6f81bc869de366ea280837b865cff847cc12344db476650a79cca48ab839949c8f9d699ea0cdf68d27c7ccd009357a SHA512 a1302b63ec1a4cd3cc16f8ee5bbd7c209075964bea0963a355bbfd8513898f3c33ddc0150f43bcd0007166e93a72569ba55c75b8234db004a3d52b410714a4c1
 DIST installkernel-41.tar.gz 22894 BLAKE2B f1baa8b56f168e39ebeb39c4f51a1bb5ebf9f90974b57b39f53cad88bc655a3959470ea4b80f982407e48e403e4e5190f986f1cc9293daf0eb1989e8eedb89f9 SHA512 abfaf6ffd00da654682d4ea55119bedc48e40dbbfc90fb6ae015cb38b8906be56247bf776a8bf32f002851963ac31c40c9e69067a04abac673c5753deccdc9b7
+DIST installkernel-42.tar.gz 24786 BLAKE2B 9ce4bd3e823420d5e328560946dc62490e6281397ccd67e8a2edc11efd971e015f5195678de0c6975d4735dcf95de4ec9cbac217ffda97738337b33d750e3351 SHA512 774d52a2656575f0305c5b9b2deecc0f7e8e6064da09f2ddd30cf162fe5597b0bee9028ec983107b7baad3f35eca8542ec819c1e499cbfd27286f393791914ae

diff --git a/sys-kernel/installkernel/installkernel-42.ebuild b/sys-kernel/installkernel/installkernel-42.ebuild
new file mode 100644
index 000000000000..5eb2a80df624
--- /dev/null
+++ b/sys-kernel/installkernel/installkernel-42.ebuild
@@ -0,0 +1,231 @@
+# Copyright 2019-2024 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+inherit linux-info
+
+DESCRIPTION="Gentoo fork of installkernel script from debianutils"
+HOMEPAGE="
+	https://github.com/projg2/installkernel-gentoo
+	https://wiki.gentoo.org/wiki/Installkernel
+"
+SRC_URI="https://github.com/projg2/installkernel-gentoo/archive/v${PV}.tar.gz
+	-> ${P}.tar.gz"
+S="${WORKDIR}/${PN}-gentoo-${PV}"
+
+LICENSE="GPL-2+"
+SLOT="0"
+KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~loong ~m68k ~mips ~ppc ~ppc64 ~riscv ~s390 ~sparc ~x86 ~x86-linux"
+IUSE="dracut efistub grub refind systemd systemd-boot ugrd uki ukify"
+REQUIRED_USE="
+	?? ( efistub grub systemd-boot )
+	refind? ( !systemd-boot !grub )
+	systemd-boot? ( systemd )
+	ukify? ( uki )
+	?? ( dracut ugrd )
+"
+# Only select one flag that sets "layout=", except for uki since grub,
+# systemd-boot, and efistub booting are all compatible with UKIs and
+# the uki layout.
+#
+# Refind does not set a layout=, it is compatible with the compat, uki
+# and efistub layout. So block against only grub and systemd-boot.
+#
+# systemd-boot could be made to work without the systemd flag, but this
+# makes no sense since in systemd(-utils) the boot flag already
+# requires the kernel-install flag.
+#
+# Ukify hooks do nothing if the layout is not uki, so force this here.
+#
+# Only one initramfs generator flag can be selected. Note that while
+# both dracut and ukify are UKI generators we don't block those because
+# enabling both results in building an initramfs only with dracut and
+# building an UKI with ukify, which is a valid configuration.
+
+RDEPEND="
+	!<=sys-kernel/installkernel-systemd-3
+	dracut? (
+		>=sys-kernel/dracut-060_pre20240104-r4
+		uki? (
+			|| (
+				sys-apps/systemd[boot(-)]
+				sys-apps/systemd-utils[boot(-)]
+			)
+		)
+	)
+	efistub? (
+		systemd? ( >=app-emulation/virt-firmware-24.2_p20240315-r2 )
+		!systemd? ( sys-boot/uefi-mkconfig )
+	)
+	grub? ( sys-boot/grub )
+	refind? ( sys-boot/refind )
+	systemd? (
+		|| (
+			sys-apps/systemd[kernel-install(-)]
+			sys-apps/systemd-utils[kernel-install(-)]
+		)
+	)
+	systemd-boot? (
+		|| (
+			sys-apps/systemd[boot(-)]
+			sys-apps/systemd-utils[boot(-)]
+		)
+	)
+	ukify? (
+		|| (
+			sys-apps/systemd[boot(-),ukify(-)]
+			sys-apps/systemd-utils[boot(-),ukify(-)]
+		)
+	)
+	ugrd? ( sys-kernel/ugrd )
+	!=sys-apps/systemd-255.2-r1
+	!=sys-apps/systemd-255.2-r0
+	!~sys-apps/systemd-255.1
+	!~sys-apps/systemd-255.0
+	!=sys-apps/systemd-254.8-r0
+	!=sys-apps/systemd-254.7-r0
+	!~sys-apps/systemd-254.6
+	!<=sys-apps/systemd-254.5-r1
+" # Block against systemd that still installs dummy install.conf
+
+pkg_setup() {
+	use efistub && CONFIG_CHECK="EFI_STUB" linux-info_pkg_setup
+}
+
+src_install() {
+	keepdir /etc/kernel/postinst.d
+	keepdir /etc/kernel/preinst.d
+
+	exeinto /usr/lib/kernel/preinst.d
+	doexe hooks/99-check-diskspace.install
+	use dracut && doexe hooks/50-dracut.install
+	use ukify && doexe hooks/60-ukify.install
+
+	exeinto /usr/lib/kernel/postinst.d
+	doexe hooks/99-write-log.install
+	use grub && doexe hooks/91-grub-mkconfig.install
+	use efistub && doexe hooks/95-efistub-uefi-mkconfig.install
+	use refind && doexe hooks/95-refind-copy-icon.install
+
+	exeinto /usr/lib/kernel/install.d
+	doexe hooks/systemd/00-00machineid-directory.install
+	doexe hooks/systemd/10-copy-prebuilt.install
+	doexe hooks/systemd/85-check-diskspace.install
+	doexe hooks/systemd/90-compat.install
+	doexe hooks/systemd/90-zz-update-static.install
+	doexe hooks/systemd/99-write-log.install
+	use grub && doexe hooks/systemd/91-grub-mkconfig.install
+	use efistub && doexe hooks/systemd/95-efistub-kernel-bootcfg.install
+	use refind && doexe hooks/systemd/95-refind-copy-icon.install
+
+	if use systemd; then
+		sed -e 's/${SYSTEMD_KERNEL_INSTALL:=0}/${SYSTEMD_KERNEL_INSTALL:=1}/g' -i installkernel ||
+			die "enabling systemd's kernel-install failed"
+	fi
+
+	# set some default config using the flags we have anyway
+	touch "${T}/install.conf" || die
+	echo "# This file is managed by ${CATEGORY}/${PN}" >> "${T}/install.conf" || die
+	if use uki; then
+		echo "layout=uki" >> "${T}/install.conf" || die
+	elif use efistub; then
+		echo "layout=efistub" >> "${T}/install.conf" || die
+	elif use grub; then
+		echo "layout=grub" >> "${T}/install.conf" || die
+	elif use systemd-boot; then
+		echo "layout=bls" >> "${T}/install.conf" || die
+	else
+		echo "layout=compat" >> "${T}/install.conf" || die
+	fi
+
+	if use dracut; then
+		echo "initrd_generator=dracut" >> "${T}/install.conf" || die
+		if ! use ukify; then
+			if use uki; then
+				echo "uki_generator=dracut" >> "${T}/install.conf" || die
+			else
+				echo "uki_generator=none" >> "${T}/install.conf" || die
+			fi
+		fi
+	elif use ugrd; then
+		echo "initrd_generator=ugrd" >> "${T}/install.conf" || die
+	else
+		echo "initrd_generator=none" >> "${T}/install.conf" || die
+	fi
+
+	if use ukify; then
+		echo "uki_generator=ukify" >> "${T}/install.conf" || die
+	else
+		if ! use dracut; then
+			echo "uki_generator=none" >> "${T}/install.conf" || die
+		fi
+	fi
+
+	insinto /usr/lib/kernel
+	doins "${T}/install.conf"
+
+	into /
+	dosbin installkernel
+	doman installkernel.8
+
+	einstalldocs
+}
+
+pkg_postinst() {
+	# show only when upgrading to 14+
+	if [[ -n "${REPLACING_VERSIONS}" ]] && ver_test "${REPLACING_VERSIONS}" -lt 14; then
+		elog "Version 14 and up of ${PN} effectively merges"
+		elog "${PN}-gentoo and ${PN}-systemd."
+		elog "Switching between the traditional installkernel and systemd's"
+		elog "kernel-install is controlled with the systemd USE flag or the"
+		elog "SYSTEMD_KERNEL_INSTALL environment variable."
+		elog
+		elog "See the installkernel wiki page[1] for more details."
+		elog
+		elog "[1]: https://wiki.gentoo.org/wiki/Installkernel"
+		elog
+	fi
+
+	# show only on first install of version 20+
+	if [[ -z "${REPLACING_VERSIONS}" ]] || ver_test "${REPLACING_VERSIONS}" -lt 20; then
+		if has_version "sys-boot/grub" && ! use grub; then
+			elog "sys-boot/grub is installed but the grub USE flag is not enabled."
+			elog "Users may want to enable this flag to automatically update the"
+			elog "bootloader configuration on each kernel install."
+		fi
+		if ( has_version "sys-apps/systemd[boot]" ||
+			has_version "sys-apps/systemd-utils[boot]" ) &&
+			! use systemd-boot; then
+				elog "systemd-boot is installed but the systemd-boot USE flag"
+				elog "is not enabled. Users should enable this flag to install kernels"
+				elog "in a layout that systemd-boot understands and to automatically"
+				elog "update systemd-boot's configuration on each kernel install."
+		fi
+	fi
+
+	if use efistub; then
+		ewarn "Automated EFI Stub booting is highly experimental. UEFI implementations"
+		ewarn "often differ between vendors and as a result EFI stub booting is not"
+		ewarn "guaranteed to work for all UEFI systems. Ensure an alternative method"
+		ewarn "of booting the system is available before rebooting."
+	fi
+
+	# Initialize log file if there is none
+	local log=${ROOT}/var/log/installkernel.log
+	if [[ ! -f ${log} ]]; then
+		echo -e \
+			"DATE\t" \
+			"KI_VENDOR\t" \
+			"VERSION\t" \
+			"CONF_ROOT\t" \
+			"LAYOUT\t" \
+			"INITRD_GEN\t" \
+			"UKI_GEN\t" \
+			"BOOT_ROOT\t" \
+			"KERNEL_REL_PATH\t" \
+			"INITRD_REL_PATH\t" \
+			"PLUGIN_OVERRIDE\t" \
+				>> "${log}" || die
+	fi
+}