add grub/systemd to common top level

common/boot/grub.nix

@@ -1,7 +1,16 @@
-{ config, lib, ... }:
+{
+  custom_config_key,
+  config,
+  lib,
+  ...
+}:
+let
+  cfg = config."${custom_config_key}".boot.grub;
+in
 with lib;
 {
-  options.mods.boot_grub = {
+  options."${custom_config_key}".boot.grub = {
+    enable = mkEnableOption "Grub bootloader";
     device = mkOption {
       type = types.str;
       default = "/dev/sda";
@@ -10,10 +19,10 @@ with lib;
       '';
     };
   };
-  config = {
+  config = mkIf cfg.enable {
     boot.loader.grub = {
       enable = true;
-      device = config.mods.boot_grub.device;
+      device = cfg.device;
     };
   };
 }

common/boot/systemd.nix

@@ -0,0 +1,28 @@
+{
+  custom_config_key,
+  config,
+  lib,
+  ...
+}:
+let
+  cfg_path = "${custom_config_key}".boot.systemd;
+  cfg = config.${cfg_path};
+in
+with lib;
+{
+  options.${cfg_path} = {
+    enable = mkEnableOption "Systemd bootloader";
+  };
+  config = mkIf cfg.enable {
+    boot.loader = {
+      systemd-boot = {
+        enable = true;
+        consoleMode = "keep";
+      };
+      timeout = 5;
+      efi = {
+        canTouchEfiVariables = true;
+      };
+    };
+  };
+}

common/flake.nix

@@ -26,17 +26,21 @@
             ...
           }:
           let
-            config_key = "ringofstorms_common";
+            custom_config_key = "ringofstorms_common";
           in
           {
-            config = { };
+            options = {
+            };
 
             imports = [
-
               ./boot/grub.nix
             ];
 
-            options = { };
+            config = {
+              specialArgs = {
+                inherit custom_config_key;
+              };
+            };
           };
       };
     };