From 65a1c58bcfa0446eeb1b88efb187598f6e53879e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Florian=20N=C3=BCcke?= <florian@nuecke.de>
Date: Sat, 22 Feb 2014 17:56:42 +0100
Subject: [PATCH] fixed os.setenv

---
 .../assets/opencomputers/lua/rom/boot/01_os.lua   | 15 +++++++++------
 1 file changed, 9 insertions(+), 6 deletions(-)

diff --git a/src/main/resources/assets/opencomputers/lua/rom/boot/01_os.lua b/src/main/resources/assets/opencomputers/lua/rom/boot/01_os.lua
index 0d2eb25d5..8f89eb9b4 100644
--- a/src/main/resources/assets/opencomputers/lua/rom/boot/01_os.lua
+++ b/src/main/resources/assets/opencomputers/lua/rom/boot/01_os.lua
@@ -37,13 +37,16 @@ end
 
 function os.setenv(varname, value)
   checkArg(1, varname, "string", "number")
-  if value == nil then env[varname] = nil
-  local success, val = pcall(tostring, value)
-  if success then
-    env[varname] = val
-    return env[varname]
+  if value == nil then
+    env[varname] = nil
   else
-    return nil, val
+    local success, val = pcall(tostring, value)
+    if success then
+      env[varname] = val
+      return env[varname]
+    else
+      return nil, val
+    end
   end
 end