anchor.diff:  
   stdenv.mkDerivation rec {
     pname = "android-tools";
  -  version = "31.0.3";
  +  version = "31.0.3p1";
   
     src = fetchurl {
       url = "https://github.com/nmeum/android-tools/releases/download/${version}/android-tools-${version}.tar.xz";
  -    sha256 = "0adhws565ny90vzh5jpkbcai8sfs3b9acs0bgl6bm9z1nr2xklnp";
  +    sha256 = "1f2svy381r798hjinrc2xiwz13gkkqxfill343zvv8jqkn8rzxhf";
     };
   
     patches = [
  
positive.code: 
    postInstall = ''
      install -Dm755 ../vendor/avb/avbtool.py -t $out/bin
      install -Dm755 ../vendor/mkbootimg/mkbootimg.py $out/bin/mkbootimg
    '';
  
    meta = with lib; {
  
negative.code:       - fastboot
        - mke2fs.android (required by fastboot)
        - simg2img, img2simg, append2simg
        - lpdump, lpmake, lpadd, lpflash, lpunpack
        - mkbootimg, unpack_bootimg, repack_bootimg
      '';
      # https://developer.android.com/studio/command-line#tools-platform
      # https://developer.android.com/studio/releases/platform-tools
  