#! /bin/sh
### BEGIN INIT INFO
# Provides:          brltty
# Required-Start:    mountkernfs
# Required-Stop:     
# Should-Start:      udev
# Should-Stop:
# Default-Start:     S
# Default-Stop:
# Short-Description: Braille terminal driver 
# Description: Used to provide access to refreshable braille terminals.
### END INIT INFO

set -e

DAEMON=/sbin/brltty
NAME=brltty
DESC='Braille terminal driver'

test -f $DAEMON || exit 0

# /etc/brltty.conf may need to be propagated from the initramfs. (This is a
# pretty awful hack.)
if [ -e /dev/.initramfs/brltty.conf ] && [ -e /etc/default/brltty ]; then
	mv /dev/.initramfs/brltty.conf /etc/brltty.conf
	sed -i -e 's/^RUN_BRLTTY=.*/RUN_BRLTTY=yes/' /etc/default/brltty
fi

[ -r /etc/default/brltty ] && . /etc/default/brltty

# Edit /etc/default/brltty and set RUN_BRLTTY=yes to allow brltty to be
# started.
if [ "$RUN_BRLTTY" != yes ]; then
	exit 0
fi

set -e

[ -r /etc/default/locale ] && . /etc/default/locale
[ -n "$LANG" ] && export LANG

. /lib/lsb/init-functions

case "$1" in
  start)
	if [ "$RUNLEVEL" = "S" -a "$PREVLEVEL" = "N" ]; then
		if [ "$START_IN_INITRAMFS" = "true" -o "$START_IN_INITRAMFS" = "yes" ]; then
			if $0 status >/dev/null; then
				$0 stop
			else
				log_warning_msg 'BRLTTY was not running, did you forget to invoke "update-initramfs -u"?'
			fi
		fi
	fi
	log_daemon_msg "Starting $DESC" "$NAME"
	if start-stop-daemon --start --oknodo --exec $DAEMON -- $ARGUMENTS; then
	    log_end_msg 0
	else
	    log_end_msg 1
	fi
	;;
  stop)
	log_daemon_msg "Stopping $DESC" "$NAME"
	if start-stop-daemon --stop --quiet --oknodo --retry 5 --exec $DAEMON; then
	    log_end_msg 0
	else
	    log_end_msg 1
	fi
	;;
  restart|force-reload)
	log_daemon_msg "Restarting $DESC" "$NAME"
	start-stop-daemon --stop --quiet --retry 5 --exec $DAEMON
	if start-stop-daemon --start --quiet --exec $DAEMON -- $ARGUMENTS; then
	    log_end_msg 0
	else
	    log_end_msg 1
	fi
	;;
  status)
        status_of_proc "$DAEMON" "$NAME" && exit 0 || exit $?
        ;;
  *)
	echo "Usage: /etc/init.d/$NAME {start|stop|restart|force-reload|status}" >&2
	exit 1
	;;
esac

exit 0