{
  description = "System Configuration.";
  inputs = {
    nixpkgs.url = "github:nixos/nixpkgs/nixos-26.05";
    flake-utils.url = "github:numtide/flake-utils";

    linger = {
      url = "github:mindsbackyard/linger-flake";
      inputs.flake-utils.follows = "flake-utils";
    };

    home-manager = {
      url = "github:nix-community/home-manager/release-26.05";
      inputs.nixpkgs.follows = "nixpkgs";
    };
  };
  
  outputs = { self, nixpkgs, flake-utils, home-manager, ... }: {
    nixosConfigurations = {
      thinkpad = nixpkgs.lib.nixosSystem {
        system = "x86_64-linux";
        
        modules = [
          ./hosts/thinkpad/default.nix

          home-manager.nixosModules.home-manager {
            home-manager.useGlobalPkgs = true;
            home-manager.useUserPackages = true;
            home-manager.users.jashton = import ./home/jashton.nix;
          }
        ];
      };

      desktop = nixpkgs.lib.nixosSystem {
        system = "x86_64-linux";

        modules = [
          ./hosts/desktop/default.nix

          home-manager.nixosModules.home-manager {
            home-manager.useGlobalPkgs = true;
            home-manager.useUserPackages = true;
            home-manager.users.jashton = import ./home/jashton.nix;
          }
        ];
      };

      framework = nixpkgs.lib.nixosSystem {
        system = "x86_64-linux";

        modules = [
          ./hosts/framework/default.nix

          home-manager.nixosModules.home-manager {
            home-manager.useGlobalPkgs = true;
            home-manager.useUserPackages = true;
            home-manager.users.jashton = import ./home/jashton.nix;
          }
        ];
      };
    };
  };
}