{
  description = "Darwin system config";

  inputs = {
    nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
    nix-darwin.url = "github:nix-darwin/nix-darwin/master";
    nix-darwin.inputs.nixpkgs.follows = "nixpkgs";
    home-manager.url = "github:nix-community/home-manager";
    home-manager.inputs.nixpkgs.follows = "nixpkgs";
  };

  outputs = inputs@{ self, home-manager, nix-darwin, nixpkgs }: {
    # Build darwin flake using:
    # $ darwin-rebuild build --flake .#616-jgrogan
    darwinConfigurations."616-jgrogan" = nix-darwin.lib.darwinSystem {
      modules = [ ./configuration.nix
                  home-manager.darwinModules.home-manager
                  {
                    home-manager.useGlobalPkgs = true;
                    home-manager.useUserPackages = true;
                    home-manager.users.jgrogan = ./home.nix;                  }
                ];
    };
  };
}