From 5b518ed2feff28c9bf21ad940c1b211b72d71bd1 Mon Sep 17 00:00:00 2001
From: sapier <Sapier at GMX dot net>
Date: Sun, 25 Aug 2013 12:54:16 +0200
Subject: [PATCH] Add backtrace to error function

---
 builtin/builtin.lua  | 6 ++++++
 builtin/mainmenu.lua | 6 ++++++
 2 files changed, 12 insertions(+)

diff --git a/builtin/builtin.lua b/builtin/builtin.lua
index 34477e6a..99242f3d 100644
--- a/builtin/builtin.lua
+++ b/builtin/builtin.lua
@@ -10,6 +10,12 @@ print = minetest.debug
 math.randomseed(os.time())
 os.setlocale("C", "numeric")
 
+local errorfct = error
+error = function(text)
+	print(debug.traceback(""))
+	errorfct(text)
+end
+
 -- Load other files
 local modpath = minetest.get_modpath("__builtin")
 dofile(modpath.."/serialize.lua")
diff --git a/builtin/mainmenu.lua b/builtin/mainmenu.lua
index ab8dbe14..c5981caa 100644
--- a/builtin/mainmenu.lua
+++ b/builtin/mainmenu.lua
@@ -2,6 +2,12 @@ print = engine.debug
 math.randomseed(os.time())
 os.setlocale("C", "numeric")
 
+local errorfct = error
+error = function(text)
+	print(debug.traceback(""))
+	errorfct(text)
+end
+
 local scriptpath = engine.get_scriptdir()
 
 mt_color_grey  = "#AAAAAA"