code review fix

worldedit/code.lua

@@ -13,22 +13,22 @@ function worldedit.lua(code, name)
 	end
 	local factory, err = loadstring("return function(name, player, pos) " .. code .. " end")
 	if not factory then  -- Syntax error
-		return false, err
+		return err
 	end
 	local func=factory()
 	local player
 	if name then
-		player=minetest.get_player_by_name(name)
+		player = minetest.get_player_by_name(name)
 	end
 	local pos
 	if player then
-		pos=vector.round(player:get_pos())
+		pos = vector.round(player:get_pos())
 	end
 	local good, err = pcall(func, name, player, pos)
 	if good then
-		err=dump(err)
+		return nil, dump(err)
 	end
-	return good, err
+	return err
 end
 
 

worldedit_commands/init.lua

@@ -1528,16 +1528,16 @@ worldedit.register_command("lua", {
 		return true, param
 	end,
 	func = function(name, param)
-		local good, ret = worldedit.lua(param, name)
-		if good then
-			if ret ~= "nil" then
-				worldedit.player_notify(name, "code successfully executed, returns with " .. ret, false)
+		local ret = {worldedit.lua(param, name)}
+		if type(ret[1]) == "nil" then
+			if ret[2] ~= "nil" then
+				worldedit.player_notify(name, "code successfully executed, returns with " .. ret[2], false)
 			else
 				worldedit.player_notify(name, "code successfully executed", false)
 			end
 			minetest.log("action", name .. " executed " .. param)
 		else
-			worldedit.player_notify(name, "code error: " .. dump(ret))
+			worldedit.player_notify(name, "code error: " .. dump(ret[1]))
 			minetest.log("action", name .. " tried to execute " .. param)
 		end
 	end,