Add cycle_network_ref legacy

AspectedRouting/IO/itinero1/LuaPrinter1.cs

@@ -53,7 +53,7 @@ namespace AspectedRouting.IO.itinero1
                 "normalize = false",
                 "vehicle_type = {" + string.Join(", ", _profile.VehicleTyps.Select(s => "\"" + s + "\"")) + "}",
                 // meta_whitelist is defined in the profile file, these are tags that are included in the generated route, but are not relevant for determining weights
-                "meta_whitelist = {\n      \"cycle_network_colour\",\n    " // cycle network colour is sneaked in here for legacy reasons 
+                "meta_whitelist = {\n"
                 + string.Join("\n    , ", _profile.Metadata.Select(s => "\"" + s + "\""))
                 + " }",
                 "profile_whitelist = {\n      " + string.Join("\n    , ", keys) + "\n    }",

AspectedRouting/IO/lua/legacy.lua

@@ -13,5 +13,10 @@ function legacy_relation_preprocessor(attributes, result)
             -- for the americans!
             result.attributes_to_keep.cycle_network_colour = attributes.color
         end
+        
+        if (attributes.ref ~= nil) then
+            -- for the americans!
+            result.attributes_to_keep.cycle_network_ref = attributes.ref
+        end
     end
 end

Profiles/bicycle/bicycle.json

@@ -11,6 +11,7 @@
     "tunnel",
     "colour",
     "cycle_network_colour",
+    "cycle_network_ref",
     "ref",
     "status",
     "network"