use Unified Dyes on_dig where needed - requires Unified Dyes commit 9ff40a7f or later

for own steel strut vs streets support

init.lua

@@ -102,7 +102,10 @@ minetest.register_node("steel:plate_rusted", {
 
 local base_tex = "strut.png"
 
-if minetest.registered_nodes["streets:steel_support"] then
+local streetsmod = minetest.get_modpath("streets") or minetest.get_modpath("steelsupport")
+-- cheapie's fork breaks it into several individual mods, with different names for the same content.
+
+if streetsmod then
 	minetest.register_alias("steel:strut","streets:steel_support")
 	base_tex = "streets_support.png"
 else
@@ -272,7 +275,8 @@ minetest.register_craft({
 })
 
 -- only register this craft if streets is not loaded
-if not minetest.registered_nodes["streets:steel_support"] then
+
+if not streetsmod then
 	minetest.register_craft({
 		output = 'steel:strut 5',
 		recipe = {
@@ -369,10 +373,12 @@ if minetest.get_modpath("unifieddyes") then
 		groups = {cracky=1, level=2, ud_param2_colorable=1, not_in_creative_inventory=1},
 		on_construct = unifieddyes.on_construct,
 		sounds = default.node_sound_metal_defaults(),
+		on_dig = unifieddyes.on_dig,
 	})
 
 	minetest.override_item("default:steelblock", {
 		palette = "unifieddyes_palette_extended.png",
+		airbrush_replacement_node = "steel:steel_block",
 		groups = {cracky=1, level=2, ud_param2_colorable=1},
 	})