Merge pull request #16 from enix/zfs-20240705

feat: build zfs ext for FC 3815.2.3

.github/workflows/release.yaml

@@ -101,7 +101,7 @@ jobs:
     strategy:
       max-parallel: 1
       matrix:
-        flatcarversion: ["3602.2.3", "3760.2.0", "3815.2.5"]
+        flatcarversion: ["3602.2.3", "3760.2.0", "3815.2.3", "3815.2.5"]
     permissions:
       # allow the action to create a release
       contents: write

files/zfs/3815.2.3/overlay/eclass/dist-kernel-utils.eclass

@@ -0,0 +1,201 @@
+# Copyright 2020-2023 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+# @ECLASS: dist-kernel-utils.eclass
+# @MAINTAINER:
+# Distribution Kernel Project <[email protected]>
+# @AUTHOR:
+# Michał Górny <[email protected]>
+# @SUPPORTED_EAPIS: 7 8
+# @BLURB: Utility functions related to Distribution Kernels
+# @DESCRIPTION:
+# This eclass provides various utility functions related to Distribution
+# Kernels.
+
+# @ECLASS_VARIABLE: KERNEL_IUSE_SECUREBOOT
+# @PRE_INHERIT
+# @DEFAULT_UNSET
+# @DESCRIPTION:
+# If set to a non-null value, inherits secureboot.eclass
+# and allows signing of generated kernel images.
+
+if [[ ! ${_DIST_KERNEL_UTILS} ]]; then
+
+case ${EAPI} in
+	7|8) ;;
+	*) die "${ECLASS}: EAPI ${EAPI:-0} not supported" ;;
+esac
+
+if [[ ${KERNEL_IUSE_SECUREBOOT} ]]; then
+	inherit secureboot
+fi
+
+# @FUNCTION: dist-kernel_build_initramfs
+# @USAGE: <output> <version>
+# @DESCRIPTION:
+# Build an initramfs for the kernel.  <output> specifies the absolute
+# path where initramfs will be created, while <version> specifies
+# the kernel version, used to find modules.
+#
+# Note: while this function uses dracut at the moment, other initramfs
+# variants may be supported in the future.
+dist-kernel_build_initramfs() {
+	debug-print-function ${FUNCNAME} "${@}"
+
+	[[ ${#} -eq 2 ]] || die "${FUNCNAME}: invalid arguments"
+	local output=${1}
+	local version=${2}
+
+	local rel_image_path=$(dist-kernel_get_image_path)
+	local image=${output%/*}/${rel_image_path##*/}
+
+	local args=(
+		--force
+		# if uefi=yes is used, dracut needs to locate the kernel image
+		--kernel-image "${image}"
+
+		# positional arguments
+		"${output}" "${version}"
+	)
+
+	ebegin "Building initramfs via dracut"
+	dracut "${args[@]}"
+	eend ${?} || die -n "Building initramfs failed"
+}
+
+# @FUNCTION: dist-kernel_get_image_path
+# @DESCRIPTION:
+# Get relative kernel image path specific to the current ${ARCH}.
+dist-kernel_get_image_path() {
+	case ${ARCH} in
+		amd64|x86)
+			echo arch/x86/boot/bzImage
+			;;
+		arm64)
+			echo arch/arm64/boot/Image.gz
+			;;
+		arm)
+			echo arch/arm/boot/zImage
+			;;
+		hppa|ppc|ppc64|sparc)
+			# https://www.kernel.org/doc/html/latest/powerpc/bootwrapper.html
+			# ./ is required because of ${image_path%/*}
+			# substitutions in the code
+			echo ./vmlinux
+			;;
+		riscv)
+			echo arch/riscv/boot/Image.gz
+			;;
+		*)
+			die "${FUNCNAME}: unsupported ARCH=${ARCH}"
+			;;
+	esac
+}
+
+# @FUNCTION: dist-kernel_install_kernel
+# @USAGE: <version> <image> <system.map>
+# @DESCRIPTION:
+# Install kernel using installkernel tool.  <version> specifies
+# the kernel version, <image> full path to the image, <system.map>
+# full path to System.map.
+dist-kernel_install_kernel() {
+	debug-print-function ${FUNCNAME} "${@}"
+
+	[[ ${#} -eq 3 ]] || die "${FUNCNAME}: invalid arguments"
+	local version=${1}
+	local image=${2}
+	local map=${3}
+
+	# if dracut is used in uefi=yes mode, initrd will actually
+	# be a combined kernel+initramfs UEFI executable.  we can easily
+	# recognize it by PE magic (vs cpio for a regular initramfs)
+	local initrd=${image%/*}/initrd
+	local magic
+	[[ -s ${initrd} ]] && read -n 2 magic < "${initrd}"
+	if [[ ${magic} == MZ ]]; then
+		einfo "Combined UEFI kernel+initramfs executable found"
+		# install the combined executable in place of kernel
+		image=${initrd%/*}/uki.efi
+		mv "${initrd}" "${image}" || die
+		# We moved the generated initrd, prevent dracut from running again
+		# https://github.com/dracutdevs/dracut/pull/2405
+		shopt -s nullglob
+		local plugins=()
+		for file in "${EROOT}"/etc/kernel/install.d/*.install; do
+			plugins+=( "${file}" )
+		done
+		for file in "${EROOT}"/usr/lib/kernel/install.d/*.install; do
+			if ! has "${file##*/}" 50-dracut.install 51-dracut-rescue.install "${plugins[@]##*/}"; then
+					plugins+=( "${file}" )
+			fi
+		done
+		shopt -u nullglob
+		export KERNEL_INSTALL_PLUGINS="${KERNEL_INSTALL_PLUGINS} ${plugins[@]}"
+	fi
+
+	if [[ ${KERNEL_IUSE_SECUREBOOT} ]]; then
+		# Kernel-install requires uki's are named uki.efi, sign in-place
+		secureboot_sign_efi_file "${image}" "${image}"
+	fi
+
+	ebegin "Installing the kernel via installkernel"
+	# note: .config is taken relatively to System.map;
+	# initrd relatively to bzImage
+	installkernel "${version}" "${image}" "${map}"
+	eend ${?} || die -n "Installing the kernel failed"
+}
+
+# @FUNCTION: dist-kernel_reinstall_initramfs
+# @USAGE: <kv-dir> <kv-full>
+# @DESCRIPTION:
+# Rebuild and install initramfs for the specified dist-kernel.
+# <kv-dir> is the kernel source directory (${KV_DIR} from linux-info),
+# while <kv-full> is the full kernel version (${KV_FULL}).
+# The function will determine whether <kernel-dir> is actually
+# a dist-kernel, and whether initramfs was used.
+#
+# This function is to be used in pkg_postinst() of ebuilds installing
+# kernel modules that are included in the initramfs.
+dist-kernel_reinstall_initramfs() {
+	debug-print-function ${FUNCNAME} "${@}"
+
+	[[ ${#} -eq 2 ]] || die "${FUNCNAME}: invalid arguments"
+	local kernel_dir=${1}
+	local ver=${2}
+
+	local image_path=${kernel_dir}/$(dist-kernel_get_image_path)
+	local initramfs_path=${image_path%/*}/initrd
+	if [[ ! -f ${image_path} ]]; then
+		eerror "Kernel install missing, image not found:"
+		eerror "  ${image_path}"
+		eerror "Initramfs will not be updated.  Please reinstall your kernel."
+		return
+	fi
+	if [[ ! -f ${initramfs_path} && ! -f ${initramfs_path%/*}/uki.efi ]]; then
+		einfo "No initramfs or uki found at ${image_path}"
+		return
+	fi
+
+	dist-kernel_build_initramfs "${initramfs_path}" "${ver}"
+	dist-kernel_install_kernel "${ver}" "${image_path}" \
+		"${kernel_dir}/System.map"
+}
+
+# @FUNCTION: dist-kernel_PV_to_KV
+# @USAGE: <pv>
+# @DESCRIPTION:
+# Convert a Gentoo-style ebuild version to kernel "x.y.z[-rcN]" version.
+dist-kernel_PV_to_KV() {
+	debug-print-function ${FUNCNAME} "${@}"
+
+	[[ ${#} -ne 1 ]] && die "${FUNCNAME}: invalid arguments"
+	local pv=${1}
+
+	local kv=${pv%%_*}
+	[[ -z $(ver_cut 3- "${kv}") ]] && kv+=".0"
+	[[ ${pv} == *_* ]] && kv+=-${pv#*_}
+	echo "${kv}"
+}
+
+_DIST_KERNEL_UTILS=1
+fi