anchor.diff:  
   stdenv.mkDerivation rec {
     name = "libmediaart-${version}";
  -  versionMajor = "1.9";
  -  versionMinor = "0";
  -  version = "${versionMajor}.${versionMinor}";
   
     src = fetchurl {
       url = "mirror://gnome/sources/libmediaart/${versionMajor}/${name}.tar.xz";
  -    sha256 = "0vshvm3sfwqs365glamvkmgnzjnmxd15j47xn0ak3p6l57dqlrll";
  +    hashOutput = false;
  +    sha256 = "5b14aa4e0cc84eaec57b6cb28f39092d503fdaecf36d5d165fac37583b7fe949";
     };
   
     buildInputs = [
  
positive.code:   inherit (stdenv.lib)
      enFlag
      optionals;
  in
  
  assert gdk-pixbuf != null -> qt5 == null;
  
negative.code:     "--with-compile-warnings"
    ];
  
    passthru = {
      srcVerification = fetchurl {
        inherit (src)
          outputHash
          outputHashAlgo
          urls;
        sha256Url = "https://download.gnome.org/sources/libmediaart/${versionMajor}/"
          + "${name}.sha256sum";
        failEarly = true;
      };
    };
  
    meta = with stdenv.lib; {
      description = "Manages, extracts and handles media art caches";
      homepage = https://github.com/GNOME/libmediaart;
  