Add missing files for network boot

roles/netboot-grub/files/bootupdate.sh

@@ -0,0 +1,22 @@
+#!/bin/bash
+
+if [ -z "$1" ]; then
+        echo "Podali niste nobenih argumentov"
+        echo "Podati jih morate v obliki:"
+        echo "[ime skripte] [novi default] [datoteke z nastavitvami]"
+        echo "Npr.:"
+        echo "bootupdate 1 by_classroom/pr05/*"
+        echo "Ali:"
+        echo "bootupdate windows by_name/pr05-*.cfg"
+else
+	option=$1
+	shift
+	for filename in $@; do
+            if output=$(sed -i --follow-symlinks '1 c\set default='"$option"'' $filename); then
+		echo "Default boot v datoteki $filename je spremenjen na $option"
+	    else
+		echo $output
+	    fi
+	done
+
+fi