From d3f86d02755f7209eebc8616560de04629940672 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=C3=89tienne=20Reuh=20Fildadut?= <fildadut@reuh.eu>
Date: Fri, 11 Jul 2025 15:11:55 +0200
Subject: [PATCH] util: clean table copy

---
 util/util.lua | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/util/util.lua b/util/util.lua
index e611b5c..1b01f6a 100644
--- a/util/util.lua
+++ b/util/util.lua
@@ -189,14 +189,11 @@ util = {
 	-- @treturn table the copied table
 	copy = function(t, cache)
 		if cache == nil then cache = {} end
+		if cache[t] then return cache[t] end
 		local r = {}
 		cache[t] = r
 		for k, v in pairs(t) do
-			if type(v) == "table" then
-				r[k] = cache[v] or util.copy(v, cache)
-			else
-				r[k] = v
-			end
+			r[k] = type(v) == "table" and util.copy(v, cache) or v
 		end
 		return setmetatable(r, getmetatable(t))
 	end,