NIXPKG1 http://nixos.org/releases/nixpkgs/nixpkgs-0.12/MANIFEST portmap-6.0 x86_64-linux /nix/store/gv78y45z84gzfzgjq0jfah0xcl78z79i-portmap-6.0.drv /nix/store/ab1zcag7p63d00d8sy46pahqsb2ln8vs-portmap-6.0