NixOSConfig/lib/system.nix

{ nixpkgs }:
    name :
        { dualBoot ? false } :
            let
                lib = nixpkgs.lib;
                configPath = ./machines/${name}.nix;
                machineConfig =
                    if builtins.pathExists configPath then
                        configPath
                    else
                        ./hardware/base.nix;
            in
                lib.nixosSystem {
                    system = "x86_64-linux";
                    modules = [
                        (
                            { config, pkgs, lib, ... }: {
                                imports = [
                                    machineConfig
                                ];

                                virtualisation =
                                    let
                                        config = {
                                            boot.loader.efi.efiSysMountPoint = lib.mkVMOverride "/boot";

                                            virtualisation.qemu.options = [
                                                "-display sdl"
                                            ];

                                            virtualisation.sharedDirectories = {
                                                keys = {
                                                    source = "/etc/ssh";
                                                    target = "/etc/ssh";
                                                };
                                            };
                                        };
                                    in {
                                        vmVariant = config;
                                        vmVariantWithBootLoader = config;
                                    };

                                # Networking
                                networking.hostName = name;
                            })
                    ];
                }