nixos/modules/desktop/network.nix

{ lib, ... }: {
  networking = {
    # It's a little too much to define every WiFi network declaratively.
    # Instead, we enable NetworkManager and the nmtui interface.
    networkmanager = {
      enable = true;
      dns = lib.mkForce "none";
    };
  };

  # Allow our user to configure the network
  users.extraGroups.networkmanager.members = [ "caspervk" ];

  # Persist WiFi passwords and other network configuration
  environment.persistence."/nix/persist" = {
    directories = [
      { directory = "/etc/NetworkManager/system-connections"; user = "root"; group = "root"; mode = "0700"; }
    ];
  };
}