From 1ce57ea3807d4e99d35f14d5aa37951bb6e548a1 Mon Sep 17 00:00:00 2001
From: Swarsel <leon.schwarzaeugl@gmail.com>
Date: Tue, 10 Dec 2024 18:30:13 +0100
Subject: [PATCH] feat: make virtualbox into specialisation

because i almost never need it
---
 SwarselSystems.org                     | 30 ++++++++++++++++----------
 profiles/nbl-imba-2/default.nix        |  2 +-
 profiles/optional/nixos/virtualbox.nix | 26 ++++++++++++++--------
 3 files changed, 37 insertions(+), 21 deletions(-)

diff --git a/SwarselSystems.org b/SwarselSystems.org
index 1ae96c1..ce02a6b 100644
--- a/SwarselSystems.org
+++ b/SwarselSystems.org
@@ -921,7 +921,7 @@ My work machine. Built for more security, this is the gold standard of my config
 
       "${profilesPath}/optional/nixos/steam.nix"
       "${profilesPath}/optional/nixos/virtualbox.nix"
-      # ../optional/nixos/vmware.nix
+      # "${profilesPath}/optional/nixos/vmware.nix"
       "${profilesPath}/optional/nixos/autologin.nix"
       "${profilesPath}/optional/nixos/nswitch-rcm.nix"
       "${profilesPath}/optional/nixos/work.nix"
@@ -5908,21 +5908,29 @@ This opens a few gaming ports and installs the steam configuration suite for gam
 :CUSTOM_ID: h:b3523246-14e9-4284-ba22-cebc5ca36732
 :END:
 
-This sets the VirtualBox configuration. Guest should not be enabled if not direly needed, it will make rebuilds unbearably slow.
+This sets the VirtualBox configuration. Guest should not be enabled if not direly needed, it will make rebuilds unbearably slow. I only use this privately to run an old editor that does not run well under wine, so I put it into it's own specialisation.
 
 #+begin_src nix :tangle profiles/optional/nixos/virtualbox.nix
-  _:
+  { lib, pkgs, ... }:
   {
-    virtualisation.virtualbox = {
-      host = {
-        enable = true;
-        enableExtensionPack = true;
-      };
-      # leaving this here for future notice. setting guest.enable = true will make 'restarting sysinit-reactivation.target' take till timeout on nixos-rebuild switch
-      guest = {
-        enable = false;
+
+    specialisation = {
+      VBox.configuration = {
+        virtualisation.virtualbox = {
+          host = {
+            enable = true;
+            enableExtensionPack = true;
+          };
+          # leaving this here for future notice. setting guest.enable = true will make 'restarting sysinit-reactivation.target' take till timeout on nixos-rebuild switch
+          guest = {
+            enable = false;
+          };
+        };
+        # run an older kernel to provide compatibility with windows vm
+        boot.kernelPackages = lib.mkForce pkgs.linuxPackages;
       };
     };
+
   }
 #+end_src
 
diff --git a/profiles/nbl-imba-2/default.nix b/profiles/nbl-imba-2/default.nix
index 49cc4af..1cc61da 100644
--- a/profiles/nbl-imba-2/default.nix
+++ b/profiles/nbl-imba-2/default.nix
@@ -13,7 +13,7 @@ in
 
     "${profilesPath}/optional/nixos/steam.nix"
     "${profilesPath}/optional/nixos/virtualbox.nix"
-    # ../optional/nixos/vmware.nix
+    # "${profilesPath}/optional/nixos/vmware.nix"
     "${profilesPath}/optional/nixos/autologin.nix"
     "${profilesPath}/optional/nixos/nswitch-rcm.nix"
     "${profilesPath}/optional/nixos/work.nix"
diff --git a/profiles/optional/nixos/virtualbox.nix b/profiles/optional/nixos/virtualbox.nix
index d5406a9..3eaa64a 100644
--- a/profiles/optional/nixos/virtualbox.nix
+++ b/profiles/optional/nixos/virtualbox.nix
@@ -1,13 +1,21 @@
-_:
+{ lib, pkgs, ... }:
 {
-  virtualisation.virtualbox = {
-    host = {
-      enable = true;
-      enableExtensionPack = true;
-    };
-    # leaving this here for future notice. setting guest.enable = true will make 'restarting sysinit-reactivation.target' take till timeout on nixos-rebuild switch
-    guest = {
-      enable = false;
+
+  specialisation = {
+    VBox.configuration = {
+      virtualisation.virtualbox = {
+        host = {
+          enable = true;
+          enableExtensionPack = true;
+        };
+        # leaving this here for future notice. setting guest.enable = true will make 'restarting sysinit-reactivation.target' take till timeout on nixos-rebuild switch
+        guest = {
+          enable = false;
+        };
+      };
+      # run an older kernel to provide compatibility with windows vm
+      boot.kernelPackages = lib.mkForce pkgs.linuxPackages;
     };
   };
+
 }