From: Vsevolod Stakhov <vsevolod@highsecure.ru>
Date: Mon, 8 Mar 2021 00:56:03 +0000 (-0500)
Subject: [Minor] Fix plain Lua compatibility
X-Git-Tag: 3.0~605
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=7677fcfec0c89f0068e795f333d6f0de9103f275;p=thirdparty%2Frspamd.git

[Minor] Fix plain Lua compatibility
---

diff --git a/lualib/lua_fuzzy.lua b/lualib/lua_fuzzy.lua
index 683c573728..8547a5dbc6 100644
--- a/lualib/lua_fuzzy.lua
+++ b/lualib/lua_fuzzy.lua
@@ -245,8 +245,15 @@ local function mime_types_check(task, part, rule)
   if not t then return false, false end
 
   local ct = string.format('%s/%s', t, st)
+
+  local detected_ct
   t,st = part:get_detected_type()
-  local detected_ct = string.format('%s/%s', t, st)
+  if t then
+    detected_ct = string.format('%s/%s', t, st)
+  else
+    detected_ct = ct
+  end
+
   local id = part:get_id()
   lua_util.debugm(N, task, 'check binary part %s: %s', id, ct)