anchor.diff:  in
   
   stdenv.mkDerivation rec {
  -  version = "5.2.0";
  +  version = "6.0.0";
     pname = "qemu"
       + lib.optionalString xenSupport "-xen"
       + lib.optionalString hostCpuOnly "-host-cpu-only"
  
positive.code: 
    src = fetchurl {
      url= "https://download.qemu.org/qemu-${version}.tar.xz";
      sha256 = "1g0pvx4qbirpcn9mni704y03n3lvkmw2c0rbcwvydyr8ns4xh66b";
    };
  
    nativeBuildInputs = [ python python.pkgs.sphinx pkg-config flex bison meson ninja ]
  
negative.code:   patches = [
      ./fix-qemu-ga.patch
      ./9p-ignore-noatime.patch
    ] ++ optional nixosTestRunner ./force-uid0-on-9p.patch
      ++ optionals stdenv.hostPlatform.isMusl [
      (fetchpatch {
  