From 9204178818838035eac73de567fab4cb4fff71da Mon Sep 17 00:00:00 2001
From: Hisham Muhammad <hisham@gobolinux.org>
Date: Wed, 21 Jan 2015 10:40:08 -0200
Subject: Discard excess characters when a tool gives out an octal mode string
 that's too long. Fixes #53.

---
 src/luarocks/fs/lua.lua | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'src')

diff --git a/src/luarocks/fs/lua.lua b/src/luarocks/fs/lua.lua
index b2619051..b3d3f6f1 100644
--- a/src/luarocks/fs/lua.lua
+++ b/src/luarocks/fs/lua.lua
@@ -732,7 +732,7 @@ function fs_lua.chmod(file, mode)
    -- LuaPosix (as of 5.1.15) does not support octal notation...
    if mode:sub(1,1) == "0" then
       local new_mode = {}
-      for c in mode:sub(2):gmatch(".") do
+      for c in mode:sub(-3):gmatch(".") do
          table.insert(new_mode, octal_to_rwx[c])
       end
       mode = table.concat(new_mode)
-- 
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