1{den, ...}: {
 2  den.aspects.core.nix.includes = [den.aspects.core.nix.flakes];
 3  den.aspects.core.nix.flakes = {
 4    nixos = {
 5      nix.settings = {
 6        experimental-features = [
 7          "nix-command"
 8          "flakes"
 9        ];
10        flake-registry = "";
11      };
12      nix.channel.enable = false;
13
14      nixpkgs.flake.setFlakeRegistry = true;
15    };
16  };
17}