Add wrench serialization format version

diff --git a/wrench/init.lua b/wrench/init.lua
index cc18de1f7fbff390afe4de26f79dd923be05e69a..0137f179eb0dd9773933ea8b80586ac395edb9fb 100644 (file)
--- a/wrench/init.lua
+++ b/wrench/init.lua
@@ -8,6 +8,8 @@ To pickup a node simply right click on it. If the node contains a formspec,
 you will need to shift+right click instead.
 --]]
 
+local LATEST_SERIALIZATION_VERSION = 1
+
 wrench = {}
 
 local modpath = minetest.get_modpath(minetest.get_current_modname())
@@ -116,7 +118,8 @@ minetest.register_tool("wrench:wrench", {
 
                local metadata = {}
                metadata.name = name
-               
+               metadata.version = LATEST_SERIALIZATION_VERSION
+
                local inv = meta:get_inventory()
                local lists = {}
                for _, listname in pairs(def.lists or {}) do