sys-kernel/vanilla-kernel: Add 5.15.9999 live ebuild

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

1 files changed, 127 insertions, 0 deletions

diff --git a/sys-kernel/vanilla-kernel/vanilla-kernel-5.15.9999.ebuild b/sys-kernel/vanilla-kernel/vanilla-kernel-5.15.9999.ebuild
new file mode 100644
index 000000000000..1ca0f0a3f9bc
--- /dev/null
+++ b/sys-kernel/vanilla-kernel/vanilla-kernel-5.15.9999.ebuild
@@ -0,0 +1,127 @@
+# Copyright 2020-2023 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+inherit git-r3 kernel-build toolchain-funcs
+
+# https://koji.fedoraproject.org/koji/packageinfo?packageID=8
+CONFIG_VER=5.15.19
+CONFIG_HASH=ec69da7a42b5b7c3da91572ef22097b069ddbd01
+GENTOO_CONFIG_VER=g7
+
+DESCRIPTION="Linux kernel built from vanilla upstream sources"
+HOMEPAGE="
+	https://wiki.gentoo.org/wiki/Project:Distribution_Kernel
+	https://www.kernel.org/
+"
+SRC_URI+="
+	https://github.com/projg2/gentoo-kernel-config/archive/${GENTOO_CONFIG_VER}.tar.gz
+		-> gentoo-kernel-config-${GENTOO_CONFIG_VER}.tar.gz
+	amd64? (
+		https://src.fedoraproject.org/rpms/kernel/raw/${CONFIG_HASH}/f/kernel-x86_64-fedora.config
+			-> kernel-x86_64-fedora.config.${CONFIG_VER}
+	)
+	arm64? (
+		https://src.fedoraproject.org/rpms/kernel/raw/${CONFIG_HASH}/f/kernel-aarch64-fedora.config
+			-> kernel-aarch64-fedora.config.${CONFIG_VER}
+	)
+	ppc64? (
+		https://src.fedoraproject.org/rpms/kernel/raw/${CONFIG_HASH}/f/kernel-ppc64le-fedora.config
+			-> kernel-ppc64le-fedora.config.${CONFIG_VER}
+	)
+	x86? (
+		https://src.fedoraproject.org/rpms/kernel/raw/${CONFIG_HASH}/f/kernel-i686-fedora.config
+			-> kernel-i686-fedora.config.${CONFIG_VER}
+	)
+"
+
+EGIT_REPO_URI=(
+	https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/
+	https://github.com/gregkh/linux/
+)
+EGIT_BRANCH="linux-${PV/.9999/.y}"
+
+LICENSE="GPL-2"
+KEYWORDS=""
+IUSE="debug hardened"
+REQUIRED_USE="arm? ( savedconfig )"
+
+BDEPEND="
+	debug? ( dev-util/pahole )
+"
+PDEPEND="
+	>=virtual/dist-kernel-$(ver_cut 1-2)
+"
+
+src_unpack() {
+	git-r3_src_unpack
+	default
+}
+
+src_prepare() {
+	default
+
+	local biendian=false
+
+	# prepare the default config
+	case ${ARCH} in
+		amd64)
+			cp "${DISTDIR}/kernel-x86_64-fedora.config.${CONFIG_VER}" .config || die
+			;;
+		arm)
+			return
+			;;
+		arm64)
+			cp "${DISTDIR}/kernel-aarch64-fedora.config.${CONFIG_VER}" .config || die
+			biendian=true
+			;;
+		hppa)
+			return
+			;;
+		ppc)
+			# assume powermac/powerbook defconfig
+			# we still package.use.force savedconfig
+			cp "${WORKDIR}/${MY_P}/arch/powerpc/configs/pmac32_defconfig" .config || die
+			;;
+		ppc64)
+			cp "${DISTDIR}/kernel-ppc64le-fedora.config.${CONFIG_VER}" .config || die
+			biendian=true
+			;;
+		x86)
+			cp "${DISTDIR}/kernel-i686-fedora.config.${CONFIG_VER}" .config || die
+			;;
+		*)
+			die "Unsupported arch ${ARCH}"
+			;;
+	esac
+
+	local myversion="-dist"
+	use hardened && myversion+="-hardened"
+	echo "CONFIG_LOCALVERSION=\"${myversion}\"" > "${T}"/version.config || die
+	local dist_conf_path="${WORKDIR}/gentoo-kernel-config-${GENTOO_CONFIG_VER}"
+
+	local merge_configs=(
+		"${T}"/version.config
+		"${dist_conf_path}"/base.config
+	)
+	use debug || merge_configs+=(
+		"${dist_conf_path}"/no-debug.config
+	)
+	if use hardened; then
+		merge_configs+=( "${dist_conf_path}"/hardened-base.config )
+
+		tc-is-gcc && merge_configs+=( "${dist_conf_path}"/hardened-gcc-plugins.config )
+
+		if [[ -f "${dist_conf_path}/hardened-${ARCH}.config" ]]; then
+			merge_configs+=( "${dist_conf_path}/hardened-${ARCH}.config" )
+		fi
+	fi
+
+	# this covers ppc64 and aarch64_be only for now
+	if [[ ${biendian} == true && $(tc-endian) == big ]]; then
+		merge_configs+=( "${dist_conf_path}/big-endian.config" )
+	fi
+
+	kernel-build_merge_configs "${merge_configs[@]}"
+}