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: { stdenv, libXScrnSaver, makeWrapper, fetchurl, unzip, atomEnv, gtk2, at-spi2-atk }:
  
  let
    version = "3.1.6";
    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 = "0hqsh2b0jlxh1izjg68zbx3kzp7jrfkscj7lmf00rydn49wz2078";
        };
        x86_64-linux = fetchurl {
          url = "https://github.com/electron/electron/releases/download/v${version}/electron-v${version}-linux-x64.zip";
          sha256 = "1fcxgha4y9cz1yapns5ll5xawdvbajfagj7y4ar1v82wsa6a6zyz";
        };
        armv7l-linux = fetchurl {
          url = "https://github.com/electron/electron/releases/download/v${version}/electron-v${version}-linux-armv7l.zip";
          sha256 = "13qczwaykjx4vrzn8w77p6mzwrrb8yfcqza4yc56n6if8whsyrg2";
        };
        aarch64-linux = fetchurl {
          url = "https://github.com/electron/electron/releases/download/v${version}/electron-v${version}-linux-arm64.zip";
          sha256 = "1l17invs5xi7sv4df77mrj1l6iiibx4vs85l3j42rgl7789m3b0x";
        };
      }.${stdenv.hostPlatform.system} or throwSystem;
  
  