Add redef mod to update_mtg.sh

scripts/update_mtg.sh

@@ -3,12 +3,17 @@
 MOD_PREFIX=mtg_
 MODS_TO_KEEP=(binoculars bucket butterflies creative default doors dye fire fireflies flowers map player_api screwdriver sfinv stairs tnt vessels walls wool xpanes)
 
-cd ../mods/mtg/ # Will work if we run from inside the scripts folder
-cd mods/mtg/    # Will work if we run from inside the capturetheflag folder
+cd "$(dirname "$0")/../mods/mtg/"
+
+if [ ! -f ./modpack.conf ]; then
+	echo "May have changed into the wrong directory, aborting."
+	exit
+fi
 
 git clone [email protected]:minetest/minetest_game.git
+echo ""
 
-mv minetest_game/mods .
+mv ./minetest_game/mods .
 
 echo "Updating mods..."
 
@@ -19,8 +24,23 @@ done
 
 echo "Done. Removing unneeded folders..."
 
-rm -r mods/
+rm -r ./mods
 
-rm -rf minetest_game/
+rm -rf ./minetest_game
 
 echo "Done. minetest_game mods are updated!"
+
+echo ""
+echo "Applying redef mod..."
+
+rm -r ./redef
+
+echo ""
+git clone https://git.0x7be.net/dirk/redef.git
+echo ""
+
+rm -rf ./redef/.git
+
+sed -i -e "s/\['Maximum Stack Size'\]/--\['Maximum Stack Size'\]/g" ./redef/init.lua # Comment out the stack size change
+
+echo "Done. redef applied!"