{
  lib,
  ...
}: {
  nixpkgs.config.allowUnfree = true;

  time.timeZone = "America/Toronto";

  nix.settings = {
    trusted-users = ["mthomson"];

    experimental-features = ["nix-command" "flakes"];

    substituters = [
      "https://cache.nixos.org"
      "https://nix-community.cachix.org"
      "https://hyprland.cachix.org"
      "https://niri.cachix.org"
    ];

    trusted-substituters = [
      "https://cache.nixos.org"
      "https://nix-community.cachix.org"
      "https://hyprland.cachix.org"
      "https://niri.cachix.org"
    ];

    trusted-public-keys = [
      "nix-community.cachix.org-1:mB9FSh9qf2dCimDSUo8Zy7bkq5CX+/rkCWyvRCYg3Fs="
      "hyprland.cachix.org-1:a7pgxzMz7+chwVL3/pzj6jIBMioiJM7ypFP8PwtkuGc="
      "niri.cachix.org-1:Wv0OmO7PsuocRKzfDoJ3mulSl7Z6oezYhGhR+3W2964="
    ];
  };

}