anchor.diff:  
     config = mkIf cfg.enable {
   
  -    environment.systemPackages = [ pkgs.dbus ];
  +    environment.etc = singleton {
  +      source = configDir;
  +      target = "dbus-1";
  +    };
   
  -    environment.etc = singleton
  -      { source = configDir;
  -        target = "dbus-1";
  -      };
  +    environment.pathsToLink = [
  +      "/etc/dbus-1"
  +      "/share/dbus-1"
  +    ];
  +
  +    environment.systemPackages = [
  +      pkgs.dbus
  +    ];
   
       users.extraUsers.messagebus = {
         uid = config.ids.uids.messagebus;
  
positive.code: 
      systemd.packages = [ pkgs.dbus ];
  
      security.setuidOwners = singleton
        { program = "dbus-daemon-launch-helper";
          source = "${pkgs.dbus}/libexec/dbus-daemon-launch-helper";
          owner = "root";
          group = "messagebus";
          setuid = true;
          setgid = false;
          permissions = "u+rx,g+rx,o-rx";
        };
  
      services.dbus.packages = [
        pkgs.dbus
  
negative.code: with lib;
  
  let
    cfg = config.services.dbus;
  
    homeDir = "/var/run/dbus";
  