anchor.diff:  , e2fsprogs, findutils, gzip, cdrtools, xorriso, fetchpatch
   , spiceSupport ? true, spice-gtk ? null
   }:
  -
  -with lib;
   
   python3.pkgs.buildPythonApplication rec {
     pname = "virt-manager";
  
positive.code:       sha256 = "sha256-/RZG+7Pmd7rmxMZf8Fvg09dUggs2MqXZahfRQ5cLcuM=";
      })
    ];
  
    postConfigure = ''
      ${python3.interpreter} setup.py configure --prefix=$out
  
negative.code: 
      gappsWrapperArgs+=(--set PYTHONPATH "$PYTHONPATH")
      # these are called from virt-install in initrdinject.py
      gappsWrapperArgs+=(--prefix PATH : "${lib.makeBinPath [ cpio e2fsprogs file findutils gzip ]}")
  
      makeWrapperArgs+=("''${gappsWrapperArgs[@]}")
    '';
  