# Pastebin lOfn79W1
#!/bin/bash
# we check for wifistate and stop/start service based on it.

WIFI_FILE='/var/run/engine/wifiState'
service=engine-update

function update_onwifi () {
    if grep -q "^up" /var/run/engine/wifiState && \
       initctl status engine | grep -q "start/running"
    then
        start engine-update
    elif grep -q "^down" /var/run/engine/wifiState; then
        stop engine-update
    fi
}

#check if inotify-tools is installed
type -P inotifywait &>/dev/null || { echo "inotifywait command not found."; }


# it takes some time for wifi status to appear. so we read the directory for changes.
while inotifywait --format '%f' -e modify,attrib,close_write,move,create,delete /var/run/engine/ ; do


# file check is not as it takes some time after boot for the file to appear.
if [ -f "$WIFI_FILE" ]; then
	# we basically chehck everytime someone touch the directory var/run/engine.
	update_onwifi
else
	echo "$WIFI_FILE not found."
fi

done