Add check to update pre 0.84.0 Ominous Banners

mods/ITEMS/mcl_banners/init.lua

@@ -493,6 +493,16 @@ for colorid, colortab in pairs(mcl_banners.colors) do
 				end
 			end
 
+			-- Update old pre 0.84.0 Ominous Banners with correct description.
+			local stackmeta = itemstack:get_meta()
+			if stackmeta:get_string("name"):find("Ominous Banner") then
+				local oban_layers = minetest.deserialize(stackmeta:get_string("layers"))
+				local banner_description = string.gsub(itemstack:get_definition().description, "White Banner", "Ominous Banner")
+				local description = mcl_banners.make_advanced_banner_description(banner_description, oban_layers)
+				stackmeta:set_string("description", description)
+				stackmeta:set_string("name", nil)
+			end
+
 			-- Place the node!
 			local hanging = false
 

mods/ITEMS/mcl_banners/locale/template.txt

@@ -76,3 +76,4 @@ You can copy the pattern of a banner by placing two banners of the same color in
 And one additional layer=
 And @1 additional layers=
 Paintable decoration=
+Ominous Banner=