{ inputs, pkgs, ... }: {
  # Let Home Manager install and manage itself.
  programs.home-manager.enable = true;

  # Show activation change diff for new builds.
  home.activation.report-changes =
    inputs.home-manager.lib.hm.dag.entryAnywhere ''
      ${pkgs.nvd}/bin/nvd diff $oldGenPath $newGenPath
    '';
}