#!/bin/bash

# BEGIN configuration
RUNLEVEL_AC="default"
RUNLEVEL_BATTERY="battery"

if [ -x /usr/bin/logger ]; then
    LOGGER="/usr/bin/logger -s -p daemon.info -t /etc/acpi/actions/pmg_switch_runleve.sh"
else
    LOGGER="/bin/echo"
fi

ON_AC_POWER=/usr/bin/on_ac_power
# END configuration


if [ ! -d "/etc/runlevels/${RUNLEVEL_AC}" ]
then
    ${LOGGER} "${0}: Runlevel ${RUNLEVEL_AC} does not exist. Aborting."
    exit 1
fi

if [ ! -d "/etc/runlevels/${RUNLEVEL_BATTERY}" ]
then
    ${LOGGER} "${0}: Runlevel ${RUNLEVEL_BATTERY} does not exist. Aborting."
    exit 1
fi

if ${on_ac_power}
then
    if [[ "$(rc-status --runlevel)" != "${RUNLEVEL_AC}" ]]
    then
        ${LOGGER} "Switching to ${RUNLEVEL_AC} runlevel"
        /sbin/rc ${RUNLEVEL_AC}
    fi
elif [[ "$(rc-status --runlevel)" != "${RUNLEVEL_BATTERY}" ]]
then
    ${LOGGER} "Switching to ${RUNLEVEL_BATTERY} runlevel"
    /sbin/rc ${RUNLEVEL_BATTERY}
fi