{ lib, ... }:
let
  user = "matt";
in
{
  nix = {
    settings = {
      substituters = [
        # "https://cache.mjallen.dev"
        "https://nix-community.cachix.org"
        "https://cache.nixos.org/"
      ];
      trusted-public-keys = [
        # "cache.mjallen.dev-1:IzFmKCd8/gggI6lcCXsW65qQwiCLGFFN9t9s2iw7Lvc="
        "nix-community.cachix.org-1:mB9FSh9qf2dCimDSUo8Zy7bkq5CX+/rkCWyvRCYg3Fs="
      ];
      warn-dirty = lib.mkForce false;
      experimental-features = lib.mkForce [
        "nix-command"
        "flakes"
      ];
      trusted-users = [ user ];
    };
  };
}