Synology BitTorrent Sync auto-start file S99btsync.sh

#!/bin/sh
#
# Startup script for btsync
# Copy to /usr/local/etc/rc.d/S99btsync.sh and chown to root:root
#
# Stop myself if running
btsyncdir="/var/services/homes/yotam/btsync/"
btsync="${btsyncdir}/btsync"
pidfile="${btsyncdir}/.sync/sync.pid"
#

case $1 in
    start)
        if [ -e "${pidfile}" ] ; then
            echo "btsync already running. PID=`cat \"${pidfile}\"`" >&2
            exit
        fi
        echo "Starting btsync..."

        case `whoami` in
            yotam)
                "${btsync}"
                ;;
            
            root)
                su yotam -c "${btsync}"
                ;;
            
            *)
                echo "Must be run as root or yotam" >&2
                exit 1
                ;;
        esac
    ;;

    stop)
        if [ -e "${pidfile}" ] ; then
            echo "Stopping btsync..."
            kill `cat $pidfile`
            rm "${pidfile}"
        else
            echo "btsync is not running. No PID file." >&2
        fi
    ;;

    restart)
        $0 stop
        sleep 1
        $0 start
    ;;
    
    *)
        echo "Usage: $0 start|stop|restart" >&2
        exit 1
    ;;
esac