#!/usr/bin/env sh

killXephyr() {
    kill "$(pgrep Xephyr)" >/dev/null 2>&1
}

trap killXephyr EXIT

if [ "$1" = "stop" ]; then
    killXephyr
    exit 0
fi;

xephyr=$1
awesome=$2
rc_file=$3

# Check for the first free display
for i in $(seq 1 10); do
    if [ ! -f "/tmp/.X${i}-lock" ]; then
        D=$i;
        break;
    fi;
done

# Start Xephyr
$xephyr :"$D" -name xephyr_"$D" -ac -br -noreset -screen 1600x900 >/dev/null 2>&1 &
sleep 1

# Start Awesome
DISPLAY=:$D.0 $awesome \
    --config "$rc_file"