anchor.diff:  { stdenv, libXScrnSaver, makeWrapper, fetchurl, wrapGAppsHook, gtk3, unzip, atomEnv, libuuid, at-spi2-atk }:
   
   let
  -  version = "4.1.5";
  +  version = "4.2.8";
     name = "electron-${version}";
   
     throwSystem = throw "Unsupported system: ${stdenv.hostPlatform.system}";
  
positive.code: 
      src = fetchurl {
        url = "https://github.com/electron/electron/releases/download/v${version}/electron-v${version}-darwin-x64.zip";
        sha256 = "1z43ga620rw84x1yxvnxf11pd782s5vgj5dgnn4k0nfgxlihy058";
      };
  
      buildInputs = [ unzip ];
  
negative.code:     src = {
        i686-linux = fetchurl {
          url = "https://github.com/electron/electron/releases/download/v${version}/electron-v${version}-linux-ia32.zip";
          sha256 = "1sikxr0pfpi3wrf1d7fia1vhb1gacsy9pr7qc0fycgnzsy2nvf8n";
        };
        x86_64-linux = fetchurl {
          url = "https://github.com/electron/electron/releases/download/v${version}/electron-v${version}-linux-x64.zip";
          sha256 = "0wc954cjc13flvdh8rkmnifdx6nirf273v1n76lsklbsq6c73i4h";
        };
        armv7l-linux = fetchurl {
          url = "https://github.com/electron/electron/releases/download/v${version}/electron-v${version}-linux-armv7l.zip";
          sha256 = "0370ygpsm42drm70gj12i6mg960wchhqis7zz8i9is2ax1b2xjp5";
        };
        aarch64-linux = fetchurl {
          url = "https://github.com/electron/electron/releases/download/v${version}/electron-v${version}-linux-arm64.zip";
          sha256 = "0vl90lsjcsgcxivbaq526ffbx3lsh6axfmpkfxl8cj2jlbsg593k";
        };
      }.${stdenv.hostPlatform.system} or throwSystem;
  
  