Make fun.partial run with Lua 5.1

1 files changed, 2 insertions, 1 deletions

diff --git a/src/luarocks/fun.lua b/src/luarocks/fun.lua
index b1740833..c37a5d4b 100644
--- a/src/luarocks/fun.lua
+++ b/src/luarocks/fun.lua
@@ -95,7 +95,8 @@ function fun.partial(f, ...)
          for i = 1, m do
             args[i+n] = fargs[i]
          end
-         return f(table.unpack(args, 1, n+m))
+         local unpack = unpack or table.unpack
+         return f(unpack(args, 1, n+m))
       end
    end
 end