NIXPKG1 http://nix.cs.uu.nl/dist/nix/nixpkgs-0.11/MANIFEST ruby-1.8.6 i686-linux /nix/store/cn4305sbcasyh2cllc5634wcdg1gikzb-ruby-1.8.6.drv /nix/store/hn0r6d26j4gj2hhz5v127xj1jaxgw94l-ruby-1.8.6