chequear si hay un lock primero

register.sh

@@ -13,12 +13,13 @@ for filename in $install_dir/stack/*;do
 done
 
 while :;do
+	[ -f $install_dir/lock ] && continue
+
 	ping -c 1 fsf.org > /dev/null 2>&1 || continue
 	test_url="$(curl -s -X POST -o /dev/null -w "%{http_code}" $url)"
 	if [ $test_url -eq 404 ];then
 		echo "$(date +%Y-%m-%d-%H:%M:%S) - $url - $test_url" >> $install_dir/errors.log && sleep 300 && continue 
 	fi
-	[ -f $install_dir/lock ] && continue
 	file=$(get_stack)
 	[ -z $file ] && continue
 	local_transaction_uuid=$(jq -r '."transaction_uuid"' $stack/$file)