anchor.diff:            -e 's|<standard_system_servicedirs/>|${systemServiceDirs}|' \
             -e 's|<includedir>system.d</includedir>|${systemIncludeDirs}|'
   
  -      cp ${dbus}/etc/dbus-1/session.conf $out/session.conf
  +      cp ${pkgs.dbus_daemon}/etc/dbus-1/session.conf $out/session.conf
         
         # Add the services and session.d directories to the session bus
         # search path.
  
positive.code:     buildCommand = ''
        ensureDir $out
        
        cp -v ${dbus}/etc/dbus-1/system.conf $out/system.conf
  
        # !!! Hm, these `sed' calls are rather error-prone...
  
  
negative.code:             chown messagebus ${homeDir}
  
              mkdir -m 0755 -p /var/lib/dbus
              ${pkgs.dbus_tools}/bin/dbus-uuidgen --ensure
   
              rm -f ${homeDir}/pid
            '';
  
          daemonType = "fork";
  
          exec = "${pkgs.dbus_daemon}/bin/dbus-daemon --system";
  
          postStop =
            ''
  