NIXPKG1 http://nixos.org/releases/nixpkgs/nixpkgs-0.12/MANIFEST cksfv-1.3 i686-linux /nix/store/zfzh1isly5ifzpipqdcvschg4gkp7bn3-cksfv-1.3.drv /nix/store/m6w78dqyd9q2xjss8g1dz83fdbap7nyl-cksfv-1.3