From 3b3bea2fc5de252f5062a72776b9525de2ec65b4 Mon Sep 17 00:00:00 2001
From: Lan Tian <xuyh0120@outlook.com>
Date: Thu, 11 Dec 2025 18:30:19 -0800
Subject: [PATCH] Add localversion indicating cachyos kernel (Fixes #2)

---
 kernel-cachyos/mkCachyKernel.nix | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/kernel-cachyos/mkCachyKernel.nix b/kernel-cachyos/mkCachyKernel.nix
index d4d97c1..b9a8211 100644
--- a/kernel-cachyos/mkCachyKernel.nix
+++ b/kernel-cachyos/mkCachyKernel.nix
@@ -62,6 +62,8 @@ lib.makeOverridable (
         cp -r * $out/
       '';
     };
+
+    defaultLocalVersion = if lto then "-cachyos-lto" else "-cachyos";
   in
   buildLinux (
     (lib.removeAttrs args [
@@ -83,6 +85,8 @@ lib.makeOverridable (
 
       defconfig = args.defconfig or "cachyos_defconfig";
 
+      modDirVersion = args.modDirVersion or "${ver0}${defaultLocalVersion}";
+
       # Clang has some incompatibilities with NixOS's default kernel config
       ignoreConfigErrors = args.ignoreConfigErrors or lto;
 
@@ -91,6 +95,7 @@ lib.makeOverridable (
         (
           {
             NR_CPUS = lib.mkForce (option (freeform "8192"));
+            LOCALVERSION = freeform defaultLocalVersion;
 
             # Follow NixOS default config to not break etc overlay
             OVERLAY_FS = module;