{inputs}: _: _: let
  mkHost = {
    host,
    system,
    extraModules ? [],
  }:
    inputs.nixpkgs.lib.nixosSystem {
      inherit system;
      modules =
        extraModules
        ++ [
          ../hosts/${host}
          inputs.self.nixosModules.default
          ({config, ...}: {
            config = {
              nix = {
                settings.extra-experimental-features = [
                  "nix-command"
                  "flakes"
                ];
                gc = {
                  automatic = true;
                  dates = "weekly";
                };
              };
              nixpkgs.config.allowUnfree = true;
              environment.shellAliases = {
                rebs = "nixos-rebuild --use-remote-sudo switch --flake .#${host}";
                rebt = "nixos-rebuild --use-remote-sudo test --flake .#${host}";
              };
              nixpkgs.overlays = [
                inputs.self.overlays.default
              ];
              networking.hostName = host;
            };
          })
        ];
      specialArgs = {
        inherit inputs;
        inherit (inputs) self;
      };
    };
in {
  mkHosts = builtins.mapAttrs (n: v: mkHost (v // {host = n;}));
}