From 5072dd354d2dd3bfead36c9269c34ed00d0f3fdd Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Patrick=20Gro=C3=9Fmann?= <patrickdgro@gmail.com>
Date: Fri, 22 Dec 2023 20:32:03 +0100
Subject: [PATCH] feat: added default boot modes

---
 modules/boot.nix    | 35 +++++++++++++++++++++++++++++++++++
 modules/default.nix |  1 +
 2 files changed, 36 insertions(+)
 create mode 100644 modules/boot.nix

diff --git a/modules/boot.nix b/modules/boot.nix
new file mode 100644
index 0000000..69528e1
--- /dev/null
+++ b/modules/boot.nix
@@ -0,0 +1,35 @@
+{
+  config,
+  lib,
+  ...
+}: {
+  option.boot.mode = lib.mkOption {
+    description = "Enable recommended Options for different boot modes";
+    type = lib.types.nullOr (lib.types.enum ["bios" "efi" "secureboot"]);
+    default = null;
+  };
+  config = let
+    bios-conf = {
+      boot.loader.grub = {
+        enable = true;
+        efiSupport = false;
+        configurationLimit = 32;
+      };
+    };
+    efi-conf = {
+      # Use the systemd-boot EFI boot loader.
+      boot.loader = {
+        systemd-boot.enable = true;
+        systemd-boot.configurationLimit = 32;
+        efi.canTouchEfiVariables = true;
+      };
+    };
+  in
+    lib.mkIf (config.boot.mode != null)
+    {
+      "efi" = efi-conf;
+      "bios" = bios-conf;
+      "secureboot" = throw "not yet implemented";
+    }
+    .${config.boot.mode};
+}
diff --git a/modules/default.nix b/modules/default.nix
index 0b4b850..e96e8a2 100644
--- a/modules/default.nix
+++ b/modules/default.nix
@@ -1,5 +1,6 @@
 {
   imports = [
     ./interface-naming.nix
+    ./boot.nix
   ];
 }