{
  pkgs,
  ...
}:

pkgs.writeShellApplication {
  name = "sysupdate";

  runtimeInputs = with pkgs; [
    nix-output-monitor nixos-rebuild home-manager
  ];

  text = ''
    NIXCONF="''${NIXCONF:-/etc/nixos}"
    echo Building config from flake at: "$NIXCONF" 1>&2
    if [[ "''${1:-}" == "home" ]]; then
      home-manager switch -L --flake "$NIXCONF" |& nom
      exit $?
    fi
    if [ "$EUID" -ne 0 ]; then
      echo Please rerun as root. 1>&2
      exit 1
    else
      nixos-rebuild switch --log-format internal-json -v --flake "$NIXCONF" |& nom --json && \
      exit $?
    fi
  '';
}