anchor.diff:  { stdenv, libXScrnSaver, makeWrapper, fetchurl, unzip, atomEnv, gtk2, at-spi2-atk }:
   
   let
  -  version = "3.1.7";
  +  version = "3.1.8";
     name = "electron-${version}";
   
     throwSystem = throw "Unsupported system: ${stdenv.hostPlatform.system}";
  
positive.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;
  
  
negative.code: 
      src = fetchurl {
        url = "https://github.com/electron/electron/releases/download/v${version}/electron-v${version}-darwin-x64.zip";
        sha256 = "0ms75306dq2ym838zk9d9nypnd8yjipl0zqyq9bvd4r32p241hw9";
      };
  
      buildInputs = [ unzip ];
  