nixpkgs/pkgs/development/tools/electron/default.nix

{ stdenv, lib, libXScrnSaver, makeWrapper, fetchurl, unzip, atomEnv, gtk2 }:

let
  version = "1.8.2";
  name = "electron-${version}";

  throwSystem = throw "Unsupported system: ${stdenv.system}";

  meta = with stdenv.lib; {
    description = "Cross platform desktop application shell";
    homepage = https://github.com/electron/electron;
    license = licenses.mit;
    maintainers = with maintainers; [ travisbhartwell manveru ];
    platforms = [ "x86_64-darwin" "x86_64-linux" "i686-linux" "armv7l-linux" "aarch64-linux" ];
  };

  linux = {
    inherit name version meta;

    src = {
      i686-linux = fetchurl {
        url = "https://github.com/electron/electron/releases/download/v${version}/electron-v${version}-linux-ia32.zip";
        sha256 = "12q5h6gh9zzhndg6yfka821rblq3l80d2qzqrq4nbq6rlsshjp9d";
      };
      x86_64-linux = fetchurl {
        url = "https://github.com/electron/electron/releases/download/v${version}/electron-v${version}-linux-x64.zip";
        sha256 = "07ggq9wgfz3z5z0lwzzgs6im0qs83pz0pcfwr0r42zgmwg7j78b8";
      };
      armv7l-linux = fetchurl {
        url = "https://github.com/electron/electron/releases/download/v${version}/electron-v${version}-linux-armv7l.zip";
        sha256 = "1b0p5x9zigyd6d8gz2hxc4scllrpnbx1dzzwlsvw6ilqbj1ypc7i";
      };
      aarch64-linux = fetchurl {
        url = "https://github.com/electron/electron/releases/download/v${version}/electron-v${version}-linux-arm64.zip";
        sha256 = "0k4np2d4y15x1qfay8y9m8v9y223vdpbq5fdxa3ywbbyf8j361zd";
      };
    }.${stdenv.system} or throwSystem;

    buildInputs = [ unzip makeWrapper ];

    buildCommand = ''
      mkdir -p $out/lib/electron $out/bin
      unzip -d $out/lib/electron $src
      ln -s $out/lib/electron/electron $out/bin

      fixupPhase

      patchelf \
        --set-interpreter "$(cat $NIX_CC/nix-support/dynamic-linker)" \
        --set-rpath "${atomEnv.libPath}:${gtk2}/lib:$out/lib/electron" \
        $out/lib/electron/electron

      wrapProgram $out/lib/electron/electron \
        --prefix LD_PRELOAD : ${stdenv.lib.makeLibraryPath [ libXScrnSaver ]}/libXss.so.1
    '';
  };

  darwin = {
    inherit name version meta;

    src = fetchurl {
      url = "https://github.com/electron/electron/releases/download/v${version}/electron-v${version}-darwin-x64.zip";
      sha256 = "0pq587vr1i87jdwcpbf6n136i9dp6i39dp5s95kihnm9qglxr42b";
    };

    buildInputs = [ unzip ];

    buildCommand = ''
      mkdir -p $out/Applications
      unzip $src
      mv Electron.app $out/Applications
      mkdir -p $out/bin
      ln -s $out/Applications/Electron.app/Contents/MacOs/Electron $out/bin/electron
    '';
  };
in

  stdenv.mkDerivation (if stdenv.isDarwin then darwin else linux)