anchor.diff:  
       src = fetchurl {
         url = "https://github.com/electron/electron/releases/download/v${version}/electron-v${version}-darwin-x64.zip";
  -      sha256 = "1cd1ashrcbdjlrr6yijyh2ppk8x8jdw5cm9qnx4lzk7sj9lwjbgb";
  +      sha256 = "1indim895a58ds09z91c8jfqmdp7ba85rx6bhq6dabgnvkykwmz0";
       };
   
       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 = "0xpzrngvfca8k8k4isdm1jyvww69rjb27624nwib2asn8ph9p4j5";
        };
        x86_64-linux = fetchurl {
          url = "https://github.com/electron/electron/releases/download/v${version}/electron-v${version}-linux-x64.zip";
          sha256 = "0yn8kh24ksymz8sddj2ywi3n5krps4zgd9rz11hnlay9y3qn60gf";
        };
        armv7l-linux = fetchurl {
          url = "https://github.com/electron/electron/releases/download/v${version}/electron-v${version}-linux-armv7l.zip";
          sha256 = "1lnykxqrjy7ay0igliybipr3hsfaxppw7b55263ndz2657k0p8rp";
        };
        aarch64-linux = fetchurl {
          url = "https://github.com/electron/electron/releases/download/v${version}/electron-v${version}-linux-arm64.zip";
          sha256 = "0hlmh197l996jhdbhacg3aghd8n73nv4vqx4k7gja5gjmjg5fy57";
        };
      }.${stdenv.hostPlatform.system} or throwSystem;
  
  
negative.code: { stdenv, libXScrnSaver, makeWrapper, fetchurl, unzip, atomEnv, gtk2, at-spi2-atk }:
  
  let
    version = "3.1.4";
    name = "electron-${version}";
  
    throwSystem = throw "Unsupported system: ${stdenv.hostPlatform.system}";
  