NIXPKG1 http://nixos.org/releases/nixpkgs/nixpkgs-0.12/MANIFEST at-3.1.10.1 x86_64-linux /nix/store/bps066r77mi6qawlv80ycc4zggnf55mz-at-3.1.10.1.drv /nix/store/d6n9vhk9mhrb0hqvxfnq9i7si41sflvl-at-3.1.10.1