NIXPKG1 http://nixos.org/releases/nixpkgs/nixpkgs-0.12/MANIFEST postgresql-8.3.0 i686-linux /nix/store/kf6siscidnks1r29z1ci4rwp5k4drl5i-postgresql-8.3.0.drv /nix/store/v3ckdyiinizvqvh49b4wy3wxz5m64r7l-postgresql-8.3.0