{
  allowUnfree = true;
  packageOverrides = pkgs: with pkgs; rec {

    myJetbrainsJdk = pkgs.jetbrains.jdk.overrideAttrs (oldAttrs: rec {
      version = "520.11";
      src = pkgs.fetchurl {
        url = "https://bintray.com/jetbrains/intellij-jdk/download_file?file_path=jbrsdk-11_0_4-osx-x64-b520.11.tar.gz";
        sha256 = "0d1qwbssc8ih62rlfxxxcn8i65cjgycdfy1dc1b902j46dqjkq9z";
      };
    });
    
    myIdeaUltimate = pkgs.jetbrains.idea-ultimate.override {
      jdk = myJetbrainsJdk;
    };

    myProfile = pkgs.writeText "my-profile" ''
      export PATH=$HOME/.nix-profile/bin:/nix/var/nix/profiles/default/bin:/sbin:/bin:/usr/sbin:/usr/bin
      export MANPATH=$HOME/.nix-profile/share/man:/nix/var/nix/profiles/default/share/man:/usr/share/man
    '';
    
    myPackages = with pkgs; buildEnv {
      name = "my-packages";
      paths = [
        (runCommand "profile" {} ''
          mkdir -p $out/etc/profile.d
          cp ${myProfile} $out/etc/profile.d/my-profile.sh
        '')
	aspell
	bc
	coreutils
	direnv
	emacs
	emscripten
	ffmpeg
	gdb
	git
	hello
	jq
	nixops
	nox
	scala
	silver-searcher
	myIdeaUltimate
      ];
      pathsToLink = [ "/share/man" "/share/doc" "/bin" "/etc" "/Applications" ];
      extraOutputsToInstall = [ "man" "doc" ];
    };
  };
}