NIXPKG1 http://nixos.org/releases/nixpkgs/nixpkgs-0.12/MANIFEST bitlbee-1.2.3 x86_64-linux /nix/store/408bakk0ya9jwpw2x61d6lp5v3d5gv1j-bitlbee-1.2.3.drv /nix/store/zaih2brn341zrk3z0v1scq979m1jr10y-bitlbee-1.2.3