anchor.diff:  }:
   
   let
  -  version = "1.3";
  +  version = "1.5";
     prebuilt_server = fetchurl {
  -    url = "https://github.com/Genymobile/scrcpy/releases/download/v${version}/scrcpy-server-v${version}.jar";
  -    sha256 = "1ha04wfmghblwr9ajfl96cswacfgrk0b7klq2ixfvw1kgwhmm6hg";
  +    url = "https://github.com/Genymobile/scrcpy/releases/download/v${version}-fixversion/scrcpy-server-v${version}.jar";
  +    sha256 = "1pi47khfrs9pygs32l9rj8l927z0sdm8bhkrzzkk6ki9c1psnynr";
     };
   in
   stdenv.mkDerivation rec {
  
positive.code:   src = fetchFromGitHub {
      owner = "Genymobile";
      repo = "scrcpy";
      rev = "v${version}";
      sha256 = "02szi8w3w0lacyz42hlayxififi863qpm63yg9qir3jcl2vs7vdk";
    };
  
    nativeBuildInputs = [ makeWrapper meson ninja pkgconfig ];
  
  
negative.code:     echo -n > server/meson.build
    '';
  
    mesonFlags = ["-Doverride_server_path=${prebuilt_server}"];
    postInstall = ''
      mkdir -p "$out/share/scrcpy"
      ln -s "${prebuilt_server}" "$out/share/scrcpy/scrcpy-server.jar"
  