niveum/configs/wallpaper.nix

{
  pkgs,
  lib,
  ...
}: {
  imports = [<stockholm/krebs/3modules/fetchWallpaper.nix>];

  krebs.fetchWallpaper = {
    enable = true;
    url = "http://prism.r/realwallpaper-krebs-stars-berlin.png";
  };

  users.users.fetchWallpaper.isSystemUser = true;

  services.xserver = {
    display = lib.mkForce 0; # needed for fetchWallpaper to find the X display
    displayManager.sessionCommands = "${pkgs.xorg.xhost}/bin/xhost +LOCAL:";
  };
}