NIXPKG1 http://nixos.org/releases/nixpkgs/nixpkgs-0.12/MANIFEST readline-5.2 x86_64-linux /nix/store/0njjqiphb1dkqdp95ip4nlb2kf6b41jg-readline-5.2.drv /nix/store/lqkrmmxjqd04fipd1ymhcg7w2m4in333-readline-5.2