Fix building the hydra vm ISO.

nix/configuration/flake.nix

@@ -193,7 +193,7 @@
           };
           hydra =
             let
-              additional_iso_modules = additional_iso_modules ++ [
+              hydra_additional_iso_modules = additional_iso_modules ++ [
                 {
                   me.optimizations.enable = true;
                 }
@@ -206,13 +206,13 @@
                 ];
               };
               iso = main // {
-                modules = main.modules ++ additional_iso_modules;
+                modules = main.modules ++ hydra_additional_iso_modules;
               };
               vm = main // {
                 modules = main.modules ++ additional_vm_modules;
               };
               vm_iso = main // {
-                modules = main.modules ++ additional_vm_modules ++ additional_iso_modules;
+                modules = main.modules ++ additional_vm_modules ++ hydra_additional_iso_modules;
               };
             };
           ionlybootzfs = rec {

nix/configuration/hosts/hydra/VM_ISO

@@ -0,0 +1,15 @@
+#!/usr/bin/env bash
+#
+set -euo pipefail
+IFS=$'\n\t'
+DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+
+: "${JOBS:="1"}"
+
+nix flake update zsh-histdb --flake "$DIR/../../"
+nix flake update ansible-sshjail --flake "$DIR/../../"
+for f in /persist/manual/manual_add_to_store/*; do nix-store --add-fixed sha256 "$f"; done
+nix build --extra-experimental-features nix-command --extra-experimental-features flakes "$DIR/../..#vm_iso.hydra" --max-jobs "$JOBS" --log-format internal-json -v "${@}" |& nom --json
+
+install -m 0644 result/iso/nixos-*-x86_64-linux.iso ~/hydra.iso
+unlink ./result

nix/configuration/hosts/hydra/default.nix

@@ -24,7 +24,6 @@
   imports = [
     ./disk-config.nix
     ./hardware-configuration.nix
-    ./optimized_build.nix
     ./vm_disk.nix
   ];
 

nix/configuration/roles/network/default.nix

@@ -114,4 +114,19 @@
   #   })
   # ];
 
+  # nixpkgs.overlays = [
+  #   (final: prev: {
+  #     linux-firmware = prev.linux-firwmare.overrideAttrs (old: rec {
+  #       version = "20250917";
+
+  #       src = final.fetchFromGitLab {
+  #         owner = "kernel-firmware";
+  #         repo = "linux-firmware";
+  #         tag = version;
+  #         hash = "sha256-tecFB6WYEfBK9FB7Rv8nHLdefIoaFnHrpzXBl+iSd08=";
+  #       };
+  #     });
+  #   })
+  # ];
+
 }