From b37440609e71c21b7b3f225dcaf021b53c7d078c Mon Sep 17 00:00:00 2001
From: Tarmo Oja <tarmo.oja@cyber.ee>
Date: Fri, 23 Aug 2024 15:00:27 +0300
Subject: [PATCH] handle nil

---
 lualib/lua_util.lua | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/lualib/lua_util.lua b/lualib/lua_util.lua
index 8f44e25f2..88599407c 100644
--- a/lualib/lua_util.lua
+++ b/lualib/lua_util.lua
@@ -1696,6 +1696,9 @@ exports.join_path = join_path
 --
 ---]]]
 local function url_encode_string(str)
+  if str == nil then
+    return ''
+  end
   str = string.gsub(str, "([^%w _%%%-%.~])",
       function(c)
         return string.format("%%%02X", string.byte(c))
-- 
2.39.5