refactor: flake dir -> outputs/sys -> nixos

nixos/modules/base/boot/loader/default.nix

@@ -0,0 +1,17 @@
+{ lib, ... }:
+
+let
+  inherit (lib) types mkOption;
+in
+
+{
+  imports = [
+    ./systemd.nix
+    # ./grub
+  ];
+
+  options.ooknet.boot.loader = mkOption {
+    type = types.enum ["systemd" "grub"];
+    default = "systemd";
+  };
+}

nixos/modules/base/boot/loader/grub.nix

@@ -0,0 +1 @@
+## to be implemented

nixos/modules/base/boot/loader/systemd.nix

@@ -0,0 +1,18 @@
+{ lib, config, ... }:
+
+let
+  inherit (lib) mkIf;
+  bootloader = config.ooknet.boot.loader;
+in
+
+{
+  config = mkIf (bootloader == "systemd") {
+    boot.loader = {
+      systemd-boot = {
+        enable = true;
+        consoleMode = "max";
+      };
+      efi.canTouchEfiVariables = true;
+    };
+  };
+}