anchor.diff:          permissions = "u+rx,g+rx,o-rx";
         };
   
  +    services.dbus.packages =
  +      [ "/nix/var/nix/profiles/default"
  +        config.system.path
  +      ];
  +
     };
    
   }
  
positive.code:       # Add the system-services and system.d directories to the system
        # bus search path.
        sed -i $out/system.conf \
            -e 's|<standard_system_servicedirs/>|${systemServiceDirs}|'
  
        cp ${dbus}/etc/dbus-1/session.conf $out/session.conf
        
        # Add the services and session.d directories to the session bus
        # search path.
        sed -i $out/session.conf \
            -e 's|<standard_session_servicedirs />|${sessionServiceDirs}|'
  
        ensureDir $out/session.d
        ensureDir $out/system.d
        
        for i in ${toString cfg.packages}; do
          for j in $i/etc/dbus-1/session.d/*; do
            ln -s $j $out/session.d/
          done
          for j in $i/etc/dbus-1/system.d/*; do
            ln -s $j $out/system.d/
          done
        done
      ''; # */
    };
  
  
negative.code:     environment.systemPackages = [ dbus.daemon dbus.tools ];
  
      environment.etc = singleton
        { source = configDir;
          target = "dbus-1";
        };
  