detect Lua scripts

git-svn-id: http://luarocks.org/svn/luarocks/trunk@6 9ca3f7c1-7366-0410-b1a3-b5c78f85698c

1 files changed, 4 insertions, 1 deletions

diff --git a/src/luarocks/fs/unix.lua b/src/luarocks/fs/unix.lua
index dae6259d..bc0f4594 100644
--- a/src/luarocks/fs/unix.lua
+++ b/src/luarocks/fs/unix.lua
@@ -464,7 +464,10 @@ function is_actual_binary(filename)
    local file = io.open(filename)
    if file then
       local found = false
-      if file:read():match("#!/bin/sh") then
+      local first = file:read()
+      if first:match("#!.*lua") then
+         found = true
+      elseif first:match("#!/bin/sh") then
          local line = file:read()
          line = file:read()
          if not(line and line:match("LUA_PATH")) then