{

  inputs = {
    nixpkgs.url = github:NixOS/nixpkgs/nixos-unstable;
    home-manager.url = github:nix-community/home-manager;
    pwnix = {
      inputs.nixpkgs.follows = "nixpkgs";
      url = git+https://im.badat.dev/bad/pwnix.git;
    };
    agenix.url = github:ryantm/agenix;
    nixos-hardware.url = github:NixOS/nixos-hardware;
  };

  outputs = args@{ self, home-manager, nixpkgs, agenix, nixos-hardware, ... }: with nixpkgs; {
  
      # Configurations for NixOS machines.
      nixosConfigurations = let
        # Generate a user configuration for the given user, based on the given home manager
        # configuration.
        userConfig = user: home: [
          home-manager.nixosModules.home-manager
          ({ config, ... }: {
            home-manager.users."${user}" = (home // {
              config.home = {
                inherit (config.system) stateVersion;
                username = user;
              };
            }).config;
          })
        ];
      in {
        # Desktop system
        "strawberry" = lib.nixosSystem {
          system = "x86_64-linux";
          modules = [
            ./system/strawberry/core.nix
            ./shared/core
          ] ++ (userConfig "riley" self.homeConfigurations."strawberry");
          specialArgs = args;
        };
        # Thinkpad
        "lime" = lib.nixosSystem {
          system = "x86_64-linux";
          modules = [
            ./system/lime/core.nix
            ./shared/core
          ] ++ (userConfig "riley" self.homeConfigurations."lime");
          specialArgs = args;
        };
      };

      # Configurations for non-NixOS machines.
      homeConfigurations = with home-manager.lib; let
        pkgs = import nixpkgs {
          system = "x86_64-linux";
          overlays = [ self.overlays.default ];
        };
      in {
        # riley @ dev-lt-63
        "dev-lt-63" = homeManagerConfiguration {
          inherit pkgs;
          modules = [
            ./system/dev-lt-63/home.nix
            ./shared/home
          ];
        };
        # riley @ strawberry
        "strawberry" = homeManagerConfiguration {
          inherit pkgs;
          modules = [
            ./system/strawberry/home.nix
            ./shared/home
          ];
        };
        # riley @ lime
        "lime" = homeManagerConfiguration {
          inherit pkgs;
          modules = [
            ./system/lime/home.nix
            ./shared/home
          ];
        };
      };

      overlays = {
        default = (import ./shared/overlay.nix);
      };
    
  };
  
}