anchor.diff:  
   stdenv.mkDerivation rec {
     pname = "android-tools";
  -  version = "31.0.2";
  +  version = "31.0.3";
   
     src = fetchurl {
       url = "https://github.com/nmeum/android-tools/releases/download/${version}/android-tools-${version}.tar.xz";
  -    sha256 = "sha256-YbO/bCQMsLTQzP72lsVZhuBmV4Q2J9+VD9z2iBrw+NQ=";
  +    sha256 = "0adhws565ny90vzh5jpkbcai8sfs3b9acs0bgl6bm9z1nr2xklnp";
     };
   
     patches = [
  
positive.code:   '';
  
    postInstall = ''
      install -Dm755 ../vendor/avb/aftltool.py -t $out/bin
      install -Dm755 ../vendor/avb/avbtool.py -t $out/bin
      install -Dm755 ../vendor/mkbootimg/mkbootimg.py $out/bin/mkbootimg
    '';
  
negative.code:     })
    ];
  
    nativeBuildInputs = [ cmake perl go ];
    buildInputs = [ protobuf zlib gtest brotli lz4 zstd libusb1 pcre2 fmt_7 ];
    propagatedBuildInputs = [ pythonEnv ];
  