saving uncommitted changes in /etc prior to emerge run

init.d/._cfg0000_fancontrol

@@ -0,0 +1,23 @@
+#!/sbin/runscript
+# Copyright 1999-2012 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+# $Id$
+
+CONFIG=/etc/fancontrol
+
+depend() {
+	need localmount
+	use lm_sensors
+}
+
+command=/usr/sbin/fancontrol
+command_arguments="${CONFIG}"
+start_stop_daemon_args="--background"
+pidfile=/var/run/fancontrol.pid
+
+start_pre() {
+	if [ ! -f ${CONFIG} ]; then
+		eerror "Configuration file ${CONFIG} not found"
+		return 1
+	fi
+}

init.d/._cfg0000_lm_sensors

@@ -0,0 +1,105 @@
+#!/sbin/runscript
+# Copyright 1999-2006 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+# $Id$
+
+checkconfig() {
+	if [ ! -f /etc/conf.d/lm_sensors ]; then
+		eerror "/etc/conf.d/lm_sensors does not exist, try running sensors-detect"
+		return 1
+	fi
+
+	if [ "${LOADMODULES}" = "yes" -a -f /proc/modules ]; then
+		if [ -z "${MODULE_0}" ]; then
+			eerror "MODULE_0 is not set in /etc/conf.d/lm_sensors, try running sensors-detect"
+			return 1
+		fi
+	fi
+}
+
+start() {
+	checkconfig || return 1
+
+	if [ "${LOADMODULES}" = "yes" -a -f /proc/modules ]; then
+		einfo "Loading lm_sensors modules..."
+
+		mount | grep sysfs >/dev/null 2>&1
+		if [ ${?} = 0 ]; then
+			if ! ( [ -e /sys/i2c ] || [ -e /sys/bus/i2c ] ); then
+				ebegin "  Loading i2c-core"
+				modprobe i2c-core >/dev/null 2>&1
+				if [ ${?} != 0 ]; then
+					eerror "    Could not load i2c-core!"
+					eend 1
+				fi
+				( [ -e /sys/i2c ] || [ -e /sys/bus/i2c ] ) || return 1
+				eend 0
+			fi
+		elif ! [ -e /proc/sys/dev/sensors ]; then
+			ebegin "  Loading i2c-proc"
+			modprobe i2c-proc >/dev/null 2>&1
+			if [ ${?} != 0 ]; then
+				eerror "    Could not load i2c-proc!"
+				eend 1
+			fi
+			[ -e /proc/sys/dev/sensors ] || return 1
+			eend 0
+		fi
+
+		i=0
+		while true; do
+			module=`eval echo '$'MODULE_${i}`
+			module_args=`eval echo '$'MODULE_${i}_ARGS`
+			if [ -z "${module}" ]; then
+				break
+			fi
+			ebegin "  Loading ${module}"
+			modprobe ${module} ${module_args} >/dev/null 2>&1
+			eend $?
+			i=$(($i+1))
+		done
+	fi
+
+	if [ "${INITSENSORS}" = "yes" ]; then
+		if ! [ -f /etc/sensors3.conf ]; then
+			eerror "/etc/sensors3.conf does not exist!"
+			return 1
+		fi
+
+		ebegin "Initializing sensors"
+		/usr/bin/sensors -s >/dev/null 2>&1
+		eend ${?}
+	fi
+}
+
+stop() {
+	checkconfig || return 1
+
+	if [ "${LOADMODULES}" = "yes" -a -f /proc/modules ]; then
+		einfo "Unloading lm_sensors modules..."
+
+		# find the highest possible MODULE_ number
+		i=0
+		while true; do
+			module=`eval echo '$'MODULE_${i}`
+			if [ -z "${module}" ] ; then
+				break
+			fi
+			i=$(($i+1))
+		done
+
+		while [ ${i} -gt 0 ]; do
+			i=$(($i-1))
+			module=`eval echo '$'MODULE_${i}`
+			ebegin "  Unloading ${module}"
+			rmmod ${module} >/dev/null 2>&1
+			eend $?
+		done
+
+		if [ -e /proc/sys/dev/sensors ] ; then
+			ebegin "  Unloading i2c-proc"
+			rmmod i2c-proc >/dev/null 2>&1
+			eend $?
+		fi
+	fi
+}