fix prefix handling

git-svn-id: http://luarocks.org/svn/luarocks/trunk@97 9ca3f7c1-7366-0410-b1a3-b5c78f85698c

1 files changed, 1 insertions, 1 deletions

diff --git a/src/luarocks/path.lua b/src/luarocks/path.lua
index 4ea33358..596b73b8 100644
--- a/src/luarocks/path.lua
+++ b/src/luarocks/path.lua
@@ -269,7 +269,7 @@ function versioned_name(file, prefix, name, version)
    assert(type(name) == "string")
    assert(type(version) == "string")
 
-   local rest = file:gsub("^"..prefix.."/*", "")
+   local rest = file:sub(#prefix+1):gsub("^/*", "")
    local name_version = (name.."_"..version):gsub("%-", "_"):gsub("%.", "_")
    return dir.path(prefix, name_version.."-"..rest)
 end