{
  description = "My System Configs";

  inputs = {
    nixpkgs.url = "nixpkgs/nixos-unstable";

    i3utils.url = "git+file:///home/daniel/go/src/i3utils";

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

  outputs = { nixpkgs, home-manager, i3utils, ... }: 
  let
    system = "x86_64-linux";

    pkgs = import nixpkgs {
      inherit system;

      config = {
        allowUnfree = true;
      };
    };

    lib = nixpkgs.lib;

    hostSystem = { hostname }: lib.nixosSystem {
      inherit system;

      modules = [
      	./hosts/${hostname}/configuration.nix
	({ pkgs, ... }: {
		nixpkgs.overlays = [ i3utils.overlay ];
	})
      ];
    };

    daniel = home-manager.lib.homeManagerConfiguration {
      inherit system pkgs;

        username = "daniel";
        homeDirectory = "/home/daniel";
        configuration = {
          imports = [
            ./user/daniel/home.nix
            ({ pkgs, ... }: {
              nixpkgs.overlays = [ i3utils.overlay ];
            })
          ];
        };
        stateVersion = "21.05";
      };

      mkUserConf = { hostname, extraSauce ? [] }:
      home-manager.lib.homeManagerConfiguration {
          inherit system pkgs;

          username = "daniel";
          homeDirectory = "/home/daniel";
          configuration = {
            imports = [
              ./user/daniel/home.nix
              ({ pkgs, ... }: {
                nixpkgs.overlays = [ i3utils.overlay ];
              })
            ] ++ extraSauce;
          };
          stateVersion = "21.05";
        };


  in {
    homeConfigurations = {
      daniel-dingbox = mkUserConf { hostname = "dingbox"; };
      daniel-miniding = mkUserConf {
        hostname = "miniding";
	extraSauce = [ ./user/host-specific/miniding ];
      };
    };

    nixosConfigurations = {
      dingbox = hostSystem { hostname = "dingbox"; };
      miniding = hostSystem { hostname = "miniding"; };
    };
  };
}