NIXPKG1 http://nixos.org/releases/nixpkgs/nixpkgs-0.12/MANIFEST nix-0.13pre15214 x86_64-linux /nix/store/cdky0p5zhlsqwi1cddh3b9pcq37327da-nix-0.13pre15214.drv /nix/store/xlj2rs497w9lqfkq5yw7y5gfh2n1hhdq-nix-0.13pre15214