anchor.diff:    };
   
   
  -  system = import ../system/system.nix {
  +  system = import ../../system/system.nix {
       inherit configuration platform nixpkgsPath;
     };
   
  
positive.code: { platform ? __currentSystem
  , relName ?
      if builtins.pathExists ../relname
      then builtins.readFile ../relname
      else "nixos-${builtins.readFile ../VERSION}"
  , compressImage ? false
  , nixpkgsPath ? ../../nixpkgs
  }:
  
  rec {
  
negative.code:   
    # Put the current directory in a tarball (making sure to filter
    # out crap like the .svn directories).
    nixosTarball = makeTarball "nixos.tar.bz2" (builtins.filterSource svnFilter ./../..);
  
    svnFilter = name: type:
      let base = baseNameOf (toString name);
  