Pyload init script

#! /bin/bash
# Author: Alexander Winkler
# http://www.dermute.de

DESC="PyLoad Download-Manager"
NAME="pyLoadCore.py"
SHORT="pyload"
DAEMON=/usr/share/pyload/$NAME
DAEMON_ARGS=""
INSTALL_DIR=/usr/share/
UPDATE_SOURCE=https://bitbucket.org/spoob/pyload/get/tip.zip

do_start()
{
    echo "Starting $DESC ..."
    if [ -e $DAEMON ]; then
        if [ $(which screen) > /dev/null ]; then
            screen -dmS $SHORT $DAEMON
            echo "... successfully!"
        else
            echo "screen has not been installed correctly!"
        fi
    else
        echo "$DESC has not been installed correctly!"
    fi
}

do_stop()
{
    $DAEMON -q
}

do_restart() {
        do_stop
        sleep 5
        do_start
}

do_update() {
    do_stop
    sleep 5
    cd $INSTALL_DIR
    wget $UPDATE_SOURCE
    unzip -o tip.zip
    rm tip.zip
    do_start
}

case "$1" in
  start)
    do_start
    ;;
  stop)
    do_stop
    ;;
  status)
    if [ $(pidof python $DAEMON) > /dev/null ]; then
        echo "$DESC is running."
    else
        echo "$DESC is NOT running."
    fi
    ;;
  restart)
    do_restart
    ;;
  watch)
    echo "Press CTRL+A D to stop watching and CTRL+C to kill $DESC."
    read -p "[Press any key to watch pyload now...]"
    screen -r $SHORT
    ;;
  update)
    do_update
    ;;
  *)
    echo "Usage: $0 {start|stop|status|restart|watch}"
    exit 1
    ;;
esac

exit 0