niveum/configs/random-background.nix

{ pkgs, lib, ... }:
let
  elementary-wallpapers = pkgs.fetchFromGitHub {
    owner = "elementary";
    repo = "wallpapers";
    rev = "6c81141e33ef69702a3f48e7181cb979a680190d"; # tag: 5.4
    sha256 = "1ihvv9v8m5f2n2v3bgg769l52wbg241zgp3d45q6phk7p8s1gz3s";
  };
  elementary-wallpapers-jpg = pkgs.runCommand "wallpapers" {} ''
    mkdir $out
    cp ${elementary-wallpapers}/*.jpg $out/
  '';
in
{
  home-manager.users.me = {
    services.random-background = {
      enable = true;
      imageDirectory = toString elementary-wallpapers-jpg;
      interval = "2h";
    };
  };
}