From 885f344eec59d0e56aa244b8a490ef7c29f72129 Mon Sep 17 00:00:00 2001
From: Hisham Muhammad <hisham@gobolinux.org>
Date: Wed, 22 Sep 2010 21:09:40 -0300
Subject: Don't crash when receiving an invalid version number. (Fixes bug
 reported by Alexander Gladysh)

---
 src/luarocks/deps.lua | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/luarocks/deps.lua b/src/luarocks/deps.lua
index a5af6206..a2cdcf08 100644
--- a/src/luarocks/deps.lua
+++ b/src/luarocks/deps.lua
@@ -135,7 +135,9 @@ function parse_version(vstring)
          -- extract a word
          token, rest = vstring:match("^(%a+)[%.%-%_]*(.*)")
          if not token then
-            return nil
+            print("Warning: version number '"..vstring.."' could not be parsed.")
+            version[i] = 0
+            break
          end
          local last = #version
          version[i] = deltas[token] or (token:byte() / 1000)
-- 
cgit v1.2.3-55-g6feb