LinuxBBQ

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#define bg        #10141a
#define blk       #12161d

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#define bg       #0c1014
#define blk       #0e1217

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#!/bin/bash

# make notifications appear in X
export DISPLAY=:0

# lsb functions
. /lib/lsb/init-functions

# commands for X session - edit as you wish
# I would not use hsetroot because there is no automated
# way of reverting to the originally set wallpaper.
# I kept it here for demonstration purposes.

LOW_COMMAND_X='hsetroot -solid "#ff0000" && notify-send -u critical "Battery low!"'
CRITICAL_X='hsetroot -solid "#ffffff" && notify-send -u critical "Poweroff!"'

# the path to your battery. It should (!) be BAT0, but kernels sometimes
# count from BAT1, so we use a wildcard. It will work, anyway.

CAP=`cat /sys/class/power_supply/BAT*/charge_now`

while true; do
        # check if X is running and set DISPLAY
        if [ $(($CAP+0)) -le "60000" ]; then
                eval $LOW_COMMAND_X 2>&1
                log_action_msg "Battery low!"
        elif [ $(($CAP+0)) -le "20000" ]; then
                eval $CRITICAL_X 2>&1
                log_action_msg "Prepare for poweroff!"
        fi
        sleep 10s
done

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#!/bin/sh

### BEGIN INIT INFO
# Provides:          batwatch
# Required-Start:    $local_fs
# Required-Stop:     $local_fs
# Default-Start:     2 3 4 5
# Default-Stop:      0 1 6
# Short-Description: Checks for battery charge
# Description:       Warns user if battery low.
### END INIT INFO

. /lib/lsb/init-functions

[ -f /etc/default/rcS ] && . /etc/default/rcS

PATH=/bin:/usr/bin:/sbin:/usr/sbin:/usr/local/bin
DAEMON=/usr/local/bin/batwatch
DESC="battery watcher"
NAME=batwatch
PIDFILE=/var/run/batwatch.pid

# make sure pid is empty
rm -f $PIDFILE

test -f $DAEMON || exit 0

case "$1" in
        start)
                log_action_msg "Starting $DESC" "$NAME"
                start-stop-daemon --start --background --quiet --oknodo --make-pidfile --pidfile $PIDFILE --exec $DAEMON
#               log_end_msg $?
        ;;
        stop)
                log_action_msg "Stopping $DESC" "$NAME"
                start-stop-daemon --stop --quiet --remove-pidfile --pidfile $PIDFILE
                rm -f $PIDFILE
        ;;
        reload|force-reload|restart)
                log_action_msg "Restarting $DESC" "$NAME"
                $0 stop
                $0 start
        ;;
        status)
                status_of_proc $DAEMON $NAME $CONF && exit 0 || exit $?
        ;;
        *)
                log_action_msg "Usage: /etc/init.d/batwatch {start|stop|restart|force-reload|status}"
                exit 2
        ;;
esac

exit 0

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sudo update-rc batwatch defaults