auto-build: location of log files easier to find

	local old new ref

	while read old new ref; do

		if [ "$ref" ]; then

			log=`printf $ref | cksum | cut -f1 -d\ `

			log="/tmp/build.$log.log"

			build "$ref" </dev/null &>"$log" &

			log="/tmp/build/$ref/`date +%s`.log"

			log_dir=`dirname "$log"`

			log_current="$log_dir/current.log"

			mkdir -p "$log_dir"

			[ -e "$log_current" ] && rm "$log_current" || true

			ln -s `basename "$log"` "$log_current"

			build "$ref" </dev/null &>>"$log" &

		fi

	done

}