init.d script that manages Minecraft PE service

minecraft.conf

#!/bin/sh
### BEGIN INIT INFO
# Provides:          minecraft
# Required-Start:    $local_fs $network $named $time $syslog
# Required-Stop:     $local_fs $network $named $time $syslog
# Default-Start:     2 3 4 5
# Default-Stop:      0 1 6
# Description:       Manages Minecraft PE (Genisys) server.
### END INIT INFO

SCRIPT="/etc/minecraft-pe/start.sh"
RUNAS="bigcheese"
SERVICE="minecraft"

PIDFILE=/var/run/minecraft.pid
LOGFILE=/var/log/minecraft.log

start() {
  if [ -f $PIDFILE ]; then
    if kill -0 $(cat $PIDFILE); then
      echo "Service, $SERVICE, already running" >&2
      return 1
    else
      rm -f "$PIDFILE"
    fi
  fi
  echo 'Starting service…' >&2
  local CMD="$SCRIPT &> \"$LOGFILE\" & echo \$!"
  su -c "$CMD" $RUNAS > "$PIDFILE"
  echo "Service started, $SERVICE" >&2
}

stop() {
  if [ ! -f "$PIDFILE" ] || ! kill -0 $(cat "$PIDFILE"); then
    echo 'Service not running' >&2
    return 1
  fi
  echo 'Stopping service…' >&2
  kill -15 $(cat "$PIDFILE") && rm -f "$PIDFILE"
  echo 'Service stopped' >&2
}

status() {
  if [ -f $PIDFILE ]; then
    if kill -0 $(cat $PIDFILE); then
      echo "Service, $SERVICE, running" >&2
      return 1
    else
      rm -f "$PIDFILE"
    fi
  fi
  echo "Service, $SERVICE, not running" >&2
  return 1
}

case "$1" in
  start)
    start
    ;;
  stop)
    stop
    ;;
  status)
    status
    ;;
  retart)
    stop
    start
    ;;
  *)
    echo "Usage: $0 {start|stop|restart|status}"
esac

exit 0