mailpile init with screen(pretty dirty)

mailpile

#!/bin/bash
### BEGIN INIT INFO
# Provides: mailpile
# Required-Start: $local_fs $remote_fs $network $syslog
# Required-Stop: $local_fs $remote_fs $network $syslog
# Default-Start: 2 3 4 5
# Default-Stop: 0 1 6
# Short-Description: Start/stop mailpile daemon
### END INIT INFO
# ——————————————————————————
# /etc/init.d/mailpile
#
# This script is an init script to run mailpile in the background, using a
# screen. The script was designed and tested for Debian systems, but may work on
# other systems. On Debian, enable it by moving the script to
# "/etc/init.d/mailpile" and issuing the command
# "update-rc.d mailpile defaults 99″
# ——————————————————————————
## Username to run mailpile under
USER="glats"
## Absolute path to the mailpile binary.
MAILPILE="/home/glats/programs/Mailpile/mp"
## Absolute path to the screen binary.
SCREEN="/usr/bin/screen"
## Name of the screen session, you can then "screen -r mailpile" to get it back
## to the forground and work with it on your shell.
SCREEN_NAME="mailpile"
## Absolute path to mailpile’s PID file.
PIDFILE="/var/run/mailpile.pid"
# Include functions
. /lib/lsb/init-functions
case "$1" in
	## Start mailpile in the background.
	start)
		log_daemon_msg "Starting mailpile"
		start-stop-daemon --start --background --oknodo \
		--pidfile "$PIDFILE" --make-pidfile \
		--chuid $USER \
		--exec $SCREEN -- -DmUS $SCREEN_NAME $MAILPILE
		if [[ $? -ne 0 ]]; then
			log_end_msg 1
		fi
			log_end_msg 0
		;;
	## Stop mailpile.
	stop)
		log_daemon_msg "Stopping mailpile"
		start-stop-daemon --stop --oknodo --pidfile "$PIDFILE"
		if [[ $? -ne 0 ]]; then
			log_end_msg 1
		fi
			log_end_msg 0
		;;
	## Restart mailpile.
	restart)
		"$0" stop
		sleep 1
		"$0" start || exit 1
		;;
		## Print usage information if the user gives an invalid option.
		*)
		echo "Usage: $0 [start|stop|restart]"
		exit 1
		;;
esac