{ pkgs, lib, ... }: { systemd.user.services.variety = { Unit = { Description = "Wallapaper downloader and changer"; After = ["graphical-session.target"]; }; Install.WantedBy = ["graphical-session.target"]; Service = { Environment = [ "PATH=${lib.makeBinPath (with pkgs; [variety])}" ]; ExecStart = '' ${pkgs.variety}/bin/variety ''; }; }; }