From 678e235ef003405f919a84f818b0c9fd05350b2d Mon Sep 17 00:00:00 2001
From: NullBite <me@nullbite.com>
Date: Thu, 12 Dec 2024 20:33:35 -0500
Subject: [PATCH] system: add central lts kernel option

---
 hosts/nullbox/configuration.nix | 3 +--
 hosts/rpi4/configuration.nix    | 3 +--
 system/default.nix              | 7 +++++++
 3 files changed, 9 insertions(+), 4 deletions(-)

diff --git a/hosts/nullbox/configuration.nix b/hosts/nullbox/configuration.nix
index 8512bdc..999dade 100644
--- a/hosts/nullbox/configuration.nix
+++ b/hosts/nullbox/configuration.nix
@@ -89,8 +89,7 @@
       };
     };
 
-    # temporary while i am away from server
-    boot.kernelPackages = pkgs.linuxPackages_6_6;
+    boot.kernelPackages = config.nixfiles.ltsKernel;
 
     networking.wg-quick.interfaces.wg0 = {
       configFile = "/etc/wireguard/wg0.conf";
diff --git a/hosts/rpi4/configuration.nix b/hosts/rpi4/configuration.nix
index 52dcaa3..8afb12f 100644
--- a/hosts/rpi4/configuration.nix
+++ b/hosts/rpi4/configuration.nix
@@ -33,8 +33,7 @@
     configurationLimit = 5;
   };
 
-  # temporary while i am away from server
-  boot.kernelPackages = pkgs.linuxPackages_6_6;
+  boot.kernelPackages = config.nixfiles.ltsKernel;
 
   nixfiles = {
     profile.server.enable = true;
diff --git a/system/default.nix b/system/default.nix
index c36974c..c9f7ece 100644
--- a/system/default.nix
+++ b/system/default.nix
@@ -64,5 +64,12 @@ in
       type = flakeType;
       example = "home-manager";
     };
+
+    ltsKernel = lib.mkOption {
+      description = "Currently tested LTS kernelPackages, manually update after testing.";
+      default = pkgs.linuxPackages_6_6;
+      type = options.boot.kernelPackages.type;
+      readOnly = true;
+    };
   };
 }