anchor.diff:  
       src = fetchurl {
         url = "https://github.com/electron/electron/releases/download/v${version}/electron-v${version}-darwin-x64.zip";
  -      sha256 = "08d4iygzayvmxarjxx82742nm7day37n7fjw4kivlv6r14w3yjdl";
  +      sha256 = "0ms75306dq2ym838zk9d9nypnd8yjipl0zqyq9bvd4r32p241hw9";
       };
   
       buildInputs = [ unzip ];
  
positive.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}";
  
negative.code:     src = {
        i686-linux = fetchurl {
          url = "https://github.com/electron/electron/releases/download/v${version}/electron-v${version}-linux-ia32.zip";
          sha256 = "1vq4vanlwixgk1q4v5d24f1ywgy2af1r14f9byzfy89vwds77yk9";
        };
        x86_64-linux = fetchurl {
          url = "https://github.com/electron/electron/releases/download/v${version}/electron-v${version}-linux-x64.zip";
          sha256 = "13zds8bzn4z11544llkh99fw75gddxs5b9h1m5xgjzw37vf6rpws";
        };
        armv7l-linux = fetchurl {
          url = "https://github.com/electron/electron/releases/download/v${version}/electron-v${version}-linux-armv7l.zip";
          sha256 = "0rfw1ydlmixyhifpmm2qyxapx3iqav4nlnzp2km9z7a0hpc4lii6";
        };
        aarch64-linux = fetchurl {
          url = "https://github.com/electron/electron/releases/download/v${version}/electron-v${version}-linux-arm64.zip";
          sha256 = "0qrnvzjz78fblfg4r6xpzc40p10y6865gqpwx2h5vsdfp6sgq898";
        };
      }.${stdenv.hostPlatform.system} or throwSystem;
  
  