From b7a6131732ac7c00318c661fb9cedbc46fcb9b22 Mon Sep 17 00:00:00 2001
From: Manuel Thalmann <m@nuth.ch>
Date: Sun, 28 Jul 2024 01:56:41 +0200
Subject: [PATCH] Add options for setting up windows

---
 lib/modules/valhalla.nix |  1 +
 lib/modules/windows.nix  | 37 +++++++++++++++++++++++++++++++++++++
 2 files changed, 38 insertions(+)
 create mode 100644 lib/modules/windows.nix

diff --git a/lib/modules/valhalla.nix b/lib/modules/valhalla.nix
index 88edf140..e5d46b21 100644
--- a/lib/modules/valhalla.nix
+++ b/lib/modules/valhalla.nix
@@ -11,6 +11,7 @@
       ./partition.nix
       ./software.nix
       ./users.nix
+      ./windows.nix
     ];
 
     options = {
diff --git a/lib/modules/windows.nix b/lib/modules/windows.nix
new file mode 100644
index 00000000..4784c913
--- /dev/null
+++ b/lib/modules/windows.nix
@@ -0,0 +1,37 @@
+{ lib, ... }:
+  let
+    inherit (lib)
+      mkOption
+      mkEnableOption
+      mkIf
+      types
+    ;
+
+    winType = types.submodule (
+      { config, ... }: {
+        options = {
+          dualboot = {
+            enable = mkEnableOption "dual boot";
+
+            linuxPercentage = mkOption {
+              type = types.number;
+              description = "The percentage of the disk size reserved for Linux.";
+            };
+          };
+        };
+
+        config = {
+          dualboot.linuxPercentage = mkIf (!config.dualboot.enable) 0;
+        };
+      });
+  in {
+    options = {
+      valhalla = {
+        windows = mkOption {
+          type = winType;
+          description = "The options for setting up Windows.";
+          default = {};
+        };
+      };
+    };
+  }