anchor.diff:          --set-rpath "${atomEnv.libPath}" \
           $share/resources/app/apm/bin/node
         patchelf --set-interpreter "$(cat $NIX_CC/nix-support/dynamic-linker)" \
  -        $out/share/atom/resources/app.asar.unpacked/node_modules/symbols-view/vendor/ctags-linux
  +        $out/share/atom${lib.optionalString beta "-beta"}/resources/app.asar.unpacked/node_modules/symbols-view/vendor/ctags-linux
   
         dugite=$share/resources/app.asar.unpacked/node_modules/dugite
         rm -f $dugite/git/bin/git
  
positive.code:   atom = {
      version = "1.28.0";
      sha256 = "0k09316897qb9ypkqm6w78nz7sj5385xfdm9bm97m8pka7v61g7h";
    };
  
    atom-beta = {
      version = "1.29.0-beta0";
      sha256 = "05xk63wsjfssf8ckph2bgrxaf99fhz3gs8n8pira8cc9yjk7diz7";
    };
  }
  
negative.code: { stdenv, pkgs, fetchurl, lib, makeWrapper, gvfs, atomEnv}:
  
  let
    common = pname: {version, sha256, beta}: stdenv.mkDerivation rec {
      name = "${pname}-${version}";
      inherit version;
  
  