{ config, lib, pkgs, ... }: {
  home-manager.users.${config.mainuser} = {
    programs.nix-index = {
      enable = true;
      enableZshIntegration = true;
    };

    home.packages = [
      pkgs.nix-index-update
    ];

    systemd.user.services.nix-index-update = {
      Service = {
        ExecStart = lib.getExe pkgs.nix-index-update;
        Type = "oneshot";
      };
      Unit.After = [ "network.target" ];
      Install.WantedBy = [ "default.target" ];
    };
  };
  programs.command-not-found.enable = lib.mkForce false;

  # FIXME
  # persist.derivative.homeDirectories = [ ".cache/nix-index" ];
}