anchor.diff:  { platform ? __currentSystem
   , relName ?
  -    if builtins.pathExists ../relname
  -    then builtins.readFile ../relname
  -    else "nixos-${builtins.readFile ../VERSION}"
  +    if builtins.pathExists ../../relname
  +    then builtins.readFile ../../relname
  +    else "nixos-${builtins.readFile ../../VERSION}"
   , compressImage ? false
  -, nixpkgsPath ? ../../nixpkgs
  +, nixpkgsPath ? ../../../nixpkgs
   }:
   
   rec {
  
positive.code:   # 0.11 (you won't get the manual).
    manual =
      if builtins ? unsafeDiscardStringContext
      then "${import ../doc/manual {inherit nixpkgsPath;}}/manual.html"
      else pkgs.writeText "dummy-manual" "Manual not included in this build!";
  
  
  
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);
  