nix-configs/nixos-modules/common/nix.nix

{ ... }:
{
  programs.git.enable = true;
  programs.nh = {
    enable = true;
    clean.enable = true;
    clean.extraArgs = "--keep-since 7d";
  };
  nix = {
    settings = {
      experimental-features = [
        "nix-command"
        "flakes"
      ];
    };
    optimise.automatic = true;
  };
  system.autoUpgrade = {
    enable = true;
    flake = "git+https://git.icanttype.org/cdombroski/nix-configs.git";
    allowReboot = true;
    rebootWindow = {
      lower = "02:00";
      upper = "06:00";
    };
  };
}