anchor.diff:      };
     };
   
  -  instNames = attrNames cfg.instances;
  -  instList = concatMapStringsSep "," (n: ''"${n}"'') instNames;
  +  domNames = attrNames cfg.domains;
  +  domList = concatMapStringsSep "," (n: ''"${n}"'') domNames;
   
     padName = n:
       if any (n': stringLength n' > stringLength n) (attrNames cfg.tailFiles)
  
positive.code:           allowSubstitutes = false;
          } ''
            mkdir $out
            ${concatStrings (mapAttrsToList (n: i: ''
              ln -sv "${i.libvirt.domain.xmlFile}" "$out/dom-${n}.xml"
            '') cfg.instances)}
            ln -s "${libvirtNetwork}" "$out/net-test.xml"
          '';
  
  
negative.code:           description = ''
              The main test script. This is run from a separate libvirt machine
              (the test driver machine) that is part of the same network as the
              other libvirt machines (defined by the <code>domains</code>
              option).
            '';
          };
  