anchor.diff:      # Is there a way to use kvm when not running as root?
       # Would using uml provide any advantages?
   
  -    # TODO add nix-env -i command and verify that root can install additional
  -    # tools such as git or sshfs-fuse!
  +
  +    # TODO: Run installation withoun networking support ?
  +    # This can be done by using either firewalls or building system by .drv path?
       pkgs.runCommand "nixos-installation-test" { inherit systemDerivation; } ''
  +
  +    set -e
   
       INFO(){ echo "INFO: " $@; }
   
  
positive.code: 
    # TODO test both: copyKernels = true and false. true doesn't work ?
  
  in
  
  rec {
  
negative.code:    To prevent this make these paths point to another location:
     nixosTarball = makeTarball "nixos.tar.bz2" (cleanSource ../../..);
     nixpkgsTarball = makeTarball "nixpkgs.tar.bz2" (cleanSource pkgs.path);
  
  */
  
  