anchor.diff:  
       src = fetchurl {
         url = "https://github.com/electron/electron/releases/download/v${version}/electron-v${version}-darwin-x64.zip";
  -      sha256 = "013hhj9dnfsj10dzjl8l84144585kn1bvx925zdn5b5wz46538yd";
  +      sha256 = "08d4iygzayvmxarjxx82742nm7day37n7fjw4kivlv6r14w3yjdl";
       };
   
       buildInputs = [ unzip ];
  
positive.code:     src = {
        i686-linux = fetchurl {
          url = "https://github.com/electron/electron/releases/download/v${version}/electron-v${version}-linux-ia32.zip";
          sha256 = "1jglnawn937wr7py6dnn7di6fszlzjv8c7d3zayyfhzg1k90s0kc";
        };
        x86_64-linux = fetchurl {
          url = "https://github.com/electron/electron/releases/download/v${version}/electron-v${version}-linux-x64.zip";
          sha256 = "1qd935bl6mj2wpgml5hf5fkrng2lbmr8w3c8jw6wzgfag07d6rz1";
        };
        armv7l-linux = fetchurl {
          url = "https://github.com/electron/electron/releases/download/v${version}/electron-v${version}-linux-armv7l.zip";
          sha256 = "119j6a5darb5250ihikskyia0gbr5ggi6966b6n62arx81ic0a16";
        };
        aarch64-linux = fetchurl {
          url = "https://github.com/electron/electron/releases/download/v${version}/electron-v${version}-linux-arm64.zip";
          sha256 = "12r0jrmk9l8l2ibjncl6zrciw3q149nq65c8isx0s46792jh55q9";
        };
      }.${stdenv.hostPlatform.system} or throwSystem;
  
  
negative.code: { stdenv, libXScrnSaver, makeWrapper, fetchurl, unzip, atomEnv, gtk2, at-spi2-atk }:
  
  let
    version = "3.1.7";
    name = "electron-${version}";
  
    throwSystem = throw "Unsupported system: ${stdenv.hostPlatform.system}";
  