1 files changed, 119 insertions, 0 deletions
diff --git a/sys-apps/kexec-tools/files/kexec.init-2.0.3 b/sys-apps/kexec-tools/files/kexec.init-2.0.3
new file mode 100644
index 000000000000..6ae811291133
--- /dev/null
+++ b/sys-apps/kexec-tools/files/kexec.init-2.0.3
@@ -0,0 +1,119 @@
+#!/sbin/runscript
+# Copyright 1999-2012 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+# $Header: /var/cvsroot/gentoo-x86/sys-apps/kexec-tools/files/kexec.init-2.0.3,v 1.1 2012/03/18 07:46:02 jlec Exp $
+
+depend() {
+	need localmount
+}
+
+image_path() {
+	local x= kver=$(uname -r) karch=$(uname -m)
+	BOOTPART="${BOOTPART:-/boot}"
+	for x in "${KNAME:-bzImage}" vmlinuz \
+		bzImage-${kver} vmlinuz-${kver} \
+		kernel-genkernel-${karch}-${kver} \
+		kernel-${kver} kernel-${karch}; do
+		if [[ -e "${BOOTPART}/${x}" ]] ; then
+			echo "${BOOTPART}/${x}"
+			return 0
+		fi
+	done
+
+	return 1
+}
+
+initrd_path() {
+	local x= kver=$(uname -r) karch=$(uname -m)
+	BOOTPART="${BOOTPART:-/boot}"
+	for x in "${INITRD:-initrd}" \
+		initrd.img-${kver} initrd-${kver}.img \
+		initrd-${kver} initramfs-${kver}.img \
+		initramfs-genkernel-${karch}-${kver} ; do
+		if [[ -e "${BOOTPART}/${x}" ]] ; then
+			echo "${BOOTPART}/${x}"
+			return 0
+		fi
+	done
+
+	return 1
+}
+
+load_image() {
+	if [[ "${KNAME}" = "-" ]]; then
+		ebegin "Disabling kexec"
+		kexec -u
+		eend $?
+		return $?
+	fi
+
+	BOOTPART="${BOOTPART:-/boot}"
+	local img="$(image_path)" initrd="$(initrd_path)" mounted=false initrdopt=
+
+	if [[ -z "${img}" ]] || [[ -z "${initrd}" ]]; then
+		# If we cannot find our image, try mounting ${BOOTPART}
+		if ! grep -q " ${BOOTPART} " /proc/mounts; then
+			ebegin "Mounting ${BOOTPART}"
+			mount "${BOOTPART}" && mounted=true
+			eend $? || return $?
+			img="$(image_path)"
+			initrd="$(initrd_path)"
+		fi
+	fi
+
+	if [[ -z "${img}" ]]; then
+		eerror "No kernel image found in ${BOOTPART}!"
+		${mounted} && umount "${BOOTPART}"
+		return 1
+	else
+		ebegin "Loading kernel image ${img} for kexec"
+	fi
+
+	[[ -n "${ROOTPART}" ]] || \
+		ROOTPART="$(readlink -f "$(sed -n '/^\/[^ ]* \/ / s,^\([^ ]*\).*,\1,p' /proc/mounts)")"
+
+	[[ -n "${KPARAM}" ]] || KEXEC_OPT_ARGS+=" --reuse-cmdline"
+
+	[[ -n "${initrd}" ]] && [[ -e "${initrd}" ]] && initrdopt="--initrd=${initrd}"
+
+	einfo "   Setting kexec with ${KEXEC_OPT_ARGS} -l ${img} root=${ROOTPART} ${KPARAM} ${initrdopt}"
+	kexec ${KEXEC_OPT_ARGS} -l "${img}" --append="root=${ROOTPART} ${KPARAM}" ${initrdopt}
+	local res=$?
+
+	${mounted} && umount "${BOOTPART}"
+	eend ${res}
+	return ${res}
+}
+
+start() {
+	if [[ "${LOAD_DURING_SHUTDOWN:-yes}" = "yes" ]]; then
+		image_path > /dev/null || \
+			ewarn "Cannot find kernel image. Please make sure a valid kernel image is present before reboot."
+		return 0
+	else
+		ebegin "Configuring kexec"
+		load_image
+		eend $?
+	fi
+}
+
+stop() {
+	[[ "${LOAD_DURING_SHUTDOWN:-yes}" != "yes" ]] && return 0
+
+	if ! yesno $RC_REBOOT; then
+		einfo "Not rebooting, so disabling"
+		kexec -u
+		return 0
+	fi
+
+	if [[ -f /nokexec ]]; then
+		einfo "Not using kexec during reboot"
+		rm -f /nokexec
+		kexec -u
+		return 0
+	fi
+
+	ebegin "Configuring kexec"
+	load_image
+	eend $?
+}