From: sapier <Sapier at GMX dot net>
Date: Wed, 17 Jul 2013 19:04:17 +0000 (+0200)
Subject: Fix Bug in modname guessing resulting in undefined modname
X-Git-Tag: 0.4.8~285
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=60225be7fa8418528002c5618795ee0f8d3512eb;p=oweals%2Fminetest.git

Fix Bug in modname guessing resulting in undefined modname
---

diff --git a/builtin/modmgr.lua b/builtin/modmgr.lua
index bf71d8b1d..3256c3b9f 100644
--- a/builtin/modmgr.lua
+++ b/builtin/modmgr.lua
@@ -151,7 +151,11 @@ function modmgr.parse_register_line(line)
 			local pos3 = item:find(":")
 			
 			if pos3 ~= nil then
-				return item:sub(1,pos3-1)
+				local retval = item:sub(1,pos3-1)
+				if retval ~= nil and
+					retval ~= "" then
+					return retval
+				end 
 			end
 		end
 	end