#!/bin/sh
#
### BEGIN INIT INFO
# Provides:          ifscheme
# Required-Start:    $local_fs ifupdown
# Required-Stop:     $local_fs ifupdown
# Should-Start:      
# Should-Stop:       
# Default-Start:     S
# Default-Stop:      0 6
# Short-Description: Select default network scheme
### END INIT INFO

. /lib/lsb/init-functions

NAME=ifscheme
SCHEMEVOLATILE=/run/network/scheme
SCHEMEPERSISTENT=/var/lib/ifscheme/scheme

if [ -f /etc/default/ifscheme ]; then
	. /etc/default/ifscheme
fi

do_start() {
	if [ -n "$BOOT_SCHEME" ]; then
		ifscheme "$BOOT_SCHEME"
	else
		if [ -r $SCHEMEPERSISTENT ]; then
			read scheme < $SCHEMEPERSISTENT
			ifscheme "$scheme"
		fi
	fi
}

do_stop() {
	if [ -r $SCHEMEVOLATILE ]; then
		mkdir -p `dirname $SCHEMEPERSISTENT`
		cat $SCHEMEVOLATILE > $SCHEMEPERSISTENT
	else
		rm -f $SCHEMEPERSISTENT
	fi
}

case "$1" in
	start)
		do_start
	;;
	reload|force-reload|restart)
		do_stop
		do_start
	;;
	stop)
		do_stop
	;;
	*)
		echo "Usage: invoke-rc.d $NAME {start|stop|reload|force-reload|restart}"
	;;
esac

exit 0
