Add CPU micro code updater

nixos/configuration.nix

@@ -2,7 +2,13 @@
 # your system.  Help is available in the configuration.nix(5) man page
 # and in the NixOS manual (accessible by running ‘nixos-help’).
 
-{ config, pkgs, unstable, ... }:
+{
+  config,
+  pkgs,
+  unstable,
+  inputs,
+  ...
+}:
 
 # let
 #   berkeley-mono-typeface = pkgs.callPackage ./packages/berkeley-mono-typeface.nix;
@@ -17,8 +23,14 @@
   imports = [
     # Include the results of the hardware scan.
     ./hardware-configuration.nix
+    inputs.ucodenix.nixosModules.default
   ];
 
+  services.ucodenix = {
+    enable = true;
+    cpuModelId = "00A20F12"; # AMD 5900X
+  };
+
   # Use the latest linux Kernel
   boot.kernelPackages = pkgs.linuxPackages_latest;
 
@@ -163,7 +175,10 @@
 
   # List packages installed in system profile. To search, run:
   # $ nix search wget
-  environment.systemPackages = with pkgs; with unstable; [
+  environment.systemPackages =
+    with pkgs;
+    with unstable;
+    [
       #  vim # Do not forget to add an editor to edit configuration.nix! The Nano editor is also installed by default.
       #  wget
       fzf
@@ -186,7 +201,10 @@
 
       openrazer-daemon
 
+      # === nix related ===
       comma
+      nh
+      # === nix related ===
 
       rustc
       cargo
@@ -335,9 +353,13 @@
     '';
   };
 
+  # environment.variables = {
+  # };
+
+  environment.sessionVariables = {
     # === Prefer RADV driver ===
-  environment.variables = {
     AMD_VULKAN_ICD = "RADV";
+    FLAKE = "/home/buymymojo/etc/nixos/";
   };
 
   # This value determines the NixOS release from which the default

nixos/flake.lock

@@ -1,5 +1,22 @@
 {
   "nodes": {
+    "cpu-microcodes": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1742753109,
+        "narHash": "sha256-hneAwNElAMkaTdToS6DUa47gFkXoIIR77CesMKUW21A=",
+        "owner": "platomav",
+        "repo": "CPUMicrocodes",
+        "rev": "f093bec842057ebf35d0525fcd69f649714f4485",
+        "type": "github"
+      },
+      "original": {
+        "owner": "platomav",
+        "repo": "CPUMicrocodes",
+        "rev": "f093bec842057ebf35d0525fcd69f649714f4485",
+        "type": "github"
+      }
+    },
     "home-manger": {
       "inputs": {
         "nixpkgs": [
@@ -40,9 +57,28 @@
       "inputs": {
         "home-manger": "home-manger",
         "nixpkgs": "nixpkgs",
+        "ucodenix": "ucodenix",
         "unstable": "unstable"
       }
     },
+    "ucodenix": {
+      "inputs": {
+        "cpu-microcodes": "cpu-microcodes"
+      },
+      "locked": {
+        "lastModified": 1742827057,
+        "narHash": "sha256-eRUBUdKGKHxCTPkF6zoQsIKPdu58AkiPU0bxX8nuRoQ=",
+        "owner": "e-tho",
+        "repo": "ucodenix",
+        "rev": "1e8747f89ed13826cd7698be5a559bdbc50258fe",
+        "type": "github"
+      },
+      "original": {
+        "owner": "e-tho",
+        "repo": "ucodenix",
+        "type": "github"
+      }
+    },
     "unstable": {
       "locked": {
         "lastModified": 1742669843,

nixos/flake.nix

@@ -7,6 +7,9 @@
 
     home-manger.url = "github:nix-community/home-manager";
     home-manger.inputs.nixpkgs.follows = "nixpkgs";
+
+    # CPU microcode updater
+    ucodenix.url = "github:e-tho/ucodenix";
   };
 
   outputs =
@@ -19,6 +22,7 @@
 
       nixosConfigurations.nixos = nixpkgs.lib.nixosSystem {
         specialArgs = {
+          inherit inputs;
           pkgs = import nixpkgs {
             inherit system;
             config.allowUnfree = true;
@@ -31,6 +35,7 @@
         modules = [
           ./configuration.nix
         ];
+
       };
 
     };