linux-ck

system/modules/common.nix

@@ -7,6 +7,7 @@
       ./emacs.nix
       ./sound.nix
       ./urbint.nix
+      ./kernel.nix
     ];
 
   boot.loader.systemd-boot.enable = true;

system/modules/kernel.nix

@@ -0,0 +1,28 @@
+{ config, lib, pkgs, ... }:
+with lib.versions;
+let
+  inherit (pkgs) runCommand;
+  kernelRelease = config.linuxPackages.kernel.version or pkgs.linux.version;
+  mj = major kernelRelease;
+  mm = majorMinor kernelRelease;
+  linux-ck = runCommand "linux-ck-combined.patch" {} ''
+    ${pkgs.xz}/bin/unxz -kfdc ${builtins.fetchurl {
+      # http://ck.kolivas.org/patches/5.0/5.4/5.4-ck1/patch-5.4-ck1.xz
+      url = "http://ck.kolivas.org/patches/${mj}.0/${mm}/${mm}-ck1/patch-${mm}-ck1.xz";
+      sha256 = "0p2ccwlsmq0587x6cnbrk4h2bwpl9342bmhsbyi1a87cs2jfwigl";
+    }} > $out
+  '';
+in
+{
+  boot.kernelPackages = pkgs.linuxPackages.extend (self: super: {
+    kernel = super.kernel.override {
+      kernelPatches = super.kernel.kernelPatches ++ [{
+        name = "linux-ck";
+        patch = linux-ck;
+      }];
+      argsOverride = {
+        modDirVersion = super.kernel.modDirVersion + "-ck1";
+      };
+    };
+  });
+}