Progress rewrite further

hosts/puter/default.nix

@@ -1,4 +1,4 @@
-{ config, pkgs, lib, ... }:
+{ pkgs, ... }:
 
 {
   imports = [
@@ -14,14 +14,6 @@
     useDHCP = true;
   };
 
-  hardware.cpu.amd.updateMicrocode = true;
-
-  services = {
-    fstrim.enable = true;
-    btrfs.autoScrub.enable = true;
-    fwupd.enable = true;
-  };
-
   boot = {
     loader = {
       canTouchEfiVariables = true;
@@ -35,37 +27,17 @@
     tmp.useTmpfs = true;
     kernelPackages = pkgs.linuxPackages_xanmod_latest;
     supportedFilesystems = [ "btfs" "vfat" "xfs" ];
-    kernelModules = [ "kvm-amd" ];
-    extraModprobeConfig = "options kvm_amd nested=1";
     initrd = {
-      availableKernelModules = [ "nvme" "xhci_pci" "ahci" "usbhid" "usb_storage" "sd_mod" ];
-      postDeviceCommands = lib.mkAfter ''
-        mkdir /btrfs_tmp
-        mount ${config.fileSystems."/".device} /btrfs_tmp
-        if [[ -e /btrfs_tmp/root ]]; then
-            mkdir -p /btrfs_tmp/old_roots
-            timestamp=$(date --date="@$(stat -c %Y /btrfs_tmp/root)" "+%Y-%m-%-d_%H:%M:%S")
-            mv /btrfs_tmp/root "/btrfs_tmp/old_roots/$timestamp"
-        fi
-
-        delete_subvolume_recursively() {
-            IFS=$'\n'
-            for i in $(btrfs subvolume list -o "$1" | cut -f 9- -d ' '); do
-                delete_subvolume_recursively "/btrfs_tmp/$i"
-            done
-            btrfs subvolume delete "$1"
-        }
-
-        for i in $(find /btrfs_tmp/old_roots/ -maxdepth 1 -mtime +30); do
-            delete_subvolume_recursively "$i"
-        done
-
-        btrfs subvolume create /btrfs_tmp/root
-        umount /btrfs_tmp
-      '';
+      availableKernelModules = [ "nvme" "xhci_pci" "ahci"
+                                 "usbhid" "usb_storage" "sd_mod" ];
     };
   };
 
+  services = {
+    fstrim.enable = true;
+    btrfs.autoScrub.enable = true;
+  };
+
   fileSystems = {
     # These are system specific. If you have any additional drives that are not
     # your root device you can add and mount them here. Added nofail so that you can
@@ -85,13 +57,6 @@
     };
   };
 
-  nixpkgs = {
-    config = {
-      allowUnfree = true;
-    };
-    hostPlatform = lib.mkDefault "x86_64-linux";
-  };
-
   system.stateVersion = "24.11"; # [managed by install.sh] { state version }
 }