compasswatcher.sh

#! /bin/sh -e
### BEGIN INIT INFO
# Provides:          compasswatcher
# Required-Start:    $remote_fs $syslog
# Required-Stop:     $remote_fs $syslog
# Default-Start:     2 3 4 5
# Default-Stop:      0 1 6
# Short-Description: Start and stop the compass watch process for each directory
### END INIT INFO

### setup:
### wget -O /etc/init.d/compasswatcher https://gist.github.com/piccaso/8484638/raw/compasswatcher.sh
### chmod +x /etc/init.d/compasswatcher
### update-rc.d compasswatcher defaults
### create /etc/compasswatcher - one compass dir per line

PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin

RUBY="/usr/bin/ruby1.9.1"
COMPASS="/usr/local/bin/compass"

PIDDIR="/var/run/compasswatcher/"
CONFIGFILE="/etc/compasswatcher"

start(){
	mkdir -p $PIDDIR
	I=0
	for DIR in $(cat ${CONFIGFILE}); do
		COMPASSUSER=`stat -c "%U" ${DIR}`
		#echo "Starting Compass for $COMPASSUSER on ${DIR}"
		start-stop-daemon \
			--nicelevel 15 \
			--start --background --make-pidfile --pidfile "${PIDDIR}compasswatcher${I}.pid" \
			--chuid ${COMPASSUSER} --exec ${RUBY} -- ${COMPASS} watch "${DIR}" --poll \
		
		I=$((I+1))
    echo sudo -u $COMPASSUSER $COMPASS compile $DIR --trace
	done
}

stop(){
	for PIDFILE in ${PIDDIR}*.pid; do
		kill $(cat "${PIDFILE}") || true
		rm "${PIDFILE}"
	done
}

status () {
	cat ${PIDDIR}*.pid | xargs ps --pid
}

case "$1" in
	start)
		start
	;;
	stop)
		stop
	;;
	status)
		status
	;;
	reload|force-reload|restart)
		stop
		start
	;;
	*)
		N=/etc/init.d/compasswatcher
		# echo "Usage: $N {start|stop|restart|reload|force-reload}" >&2
		echo "Usage: $N {start|stop|restart|force-reload|status}" >&2
		exit 1
	;;
esac

exit 0