Extend nvidia role to include driver configuration

The nvidia role now handles full driver configuration instead of just
packages. Added options for open driver, modesetting, power management,
graphics settings, and driver package selection.

Updated zix790prors and wixos machine configs to use the new role
options, removing duplicated hardware.nvidia configuration blocks.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

flake.lock

@@ -21,45 +21,6 @@
         "type": "github"
       }
     },
-    "doomemacs": {
-      "flake": false,
-      "locked": {
-        "lastModified": 1767773143,
-        "narHash": "sha256-QL/t9v2kFNxBDyNJb/s411o3mxujan+QX5IZglTdpTk=",
-        "owner": "doomemacs",
-        "repo": "doomemacs",
-        "rev": "3e15fb36d7f94f0a218bda977be4d3f5da983a71",
-        "type": "github"
-      },
-      "original": {
-        "owner": "doomemacs",
-        "repo": "doomemacs",
-        "type": "github"
-      }
-    },
-    "emacs-overlay": {
-      "inputs": {
-        "nixpkgs": [
-          "nix-doom-emacs-unstraightened"
-        ],
-        "nixpkgs-stable": [
-          "nix-doom-emacs-unstraightened"
-        ]
-      },
-      "locked": {
-        "lastModified": 1768011937,
-        "narHash": "sha256-SnU2XTo34vwVaijs+4VwcXTNwMWO4nwzzs08N39UagA=",
-        "owner": "nix-community",
-        "repo": "emacs-overlay",
-        "rev": "79abf71d9897cf3b5189f7175cda1b1102abc65c",
-        "type": "github"
-      },
-      "original": {
-        "owner": "nix-community",
-        "repo": "emacs-overlay",
-        "type": "github"
-      }
-    },
     "flake-compat": {
       "flake": false,
       "locked": {
@@ -198,27 +159,6 @@
         "type": "github"
       }
     },
-    "nix-doom-emacs-unstraightened": {
-      "inputs": {
-        "doomemacs": "doomemacs",
-        "emacs-overlay": "emacs-overlay",
-        "nixpkgs": [],
-        "systems": "systems_2"
-      },
-      "locked": {
-        "lastModified": 1768034604,
-        "narHash": "sha256-62pIZMvGHhYJmMiiBsxHqZt/dFyENPcFHlJq5NJF3Sw=",
-        "owner": "marienz",
-        "repo": "nix-doom-emacs-unstraightened",
-        "rev": "9b3b8044fe4ccdcbb2d6f733d7dbe4d5feea18bc",
-        "type": "github"
-      },
-      "original": {
-        "owner": "marienz",
-        "repo": "nix-doom-emacs-unstraightened",
-        "type": "github"
-      }
-    },
     "nix-github-actions": {
       "inputs": {
         "nixpkgs": [
@@ -363,7 +303,6 @@
         "home-manager-unstable": "home-manager-unstable",
         "jovian": "jovian",
         "nix-darwin": "nix-darwin",
-        "nix-doom-emacs-unstraightened": "nix-doom-emacs-unstraightened",
         "nixos-wsl": "nixos-wsl",
         "nixpkgs": "nixpkgs_2",
         "nixpkgs-unstable": "nixpkgs-unstable",
@@ -385,21 +324,6 @@
         "repo": "default",
         "type": "github"
       }
-    },
-    "systems_2": {
-      "locked": {
-        "lastModified": 1681028828,
-        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
-        "owner": "nix-systems",
-        "repo": "default",
-        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
-        "type": "github"
-      },
-      "original": {
-        "owner": "nix-systems",
-        "repo": "default",
-        "type": "github"
-      }
     }
   },
   "root": "root",

flake.nix

@@ -47,12 +47,6 @@
       url = "github:steveyegge/beads";
       inputs.nixpkgs.follows = "nixpkgs-unstable";
     };
-
-    nix-doom-emacs-unstraightened = {
-      url = "github:marienz/nix-doom-emacs-unstraightened";
-      # Don't follow nixpkgs to avoid rebuild issues with emacs-overlay
-      inputs.nixpkgs.follows = "";
-    };
   };
 
   outputs = { self, nixpkgs, nixpkgs-unstable, nixos-wsl, ... } @ inputs: let
@@ -76,7 +70,6 @@
         home-manager.useUserPackages = true;
         home-manager.sharedModules = [
           inputs.plasma-manager.homeModules.plasma-manager
-          inputs.nix-doom-emacs-unstraightened.homeModule
         ];
         home-manager.extraSpecialArgs = {
           globalInputs = inputs;
@@ -105,7 +98,6 @@
         home-manager.useUserPackages = true;
         home-manager.sharedModules = [
           inputs.plasma-manager-unstable.homeModules.plasma-manager
-          inputs.nix-doom-emacs-unstraightened.homeModule
         ];
         home-manager.extraSpecialArgs = {
           globalInputs = inputs;
@@ -137,9 +129,6 @@
         ];
         home-manager.useGlobalPkgs = true;
         home-manager.useUserPackages = true;
-        home-manager.sharedModules = [
-          inputs.nix-doom-emacs-unstraightened.homeModule
-        ];
         home-manager.extraSpecialArgs = {
           globalInputs = inputs;
         };

home/home-live-usb.nix

@@ -14,12 +14,7 @@
     desktop.enable = true;
     tmux.enable = true;
     plasma-manager.enable = true;
-    emacs = {
+    emacs.enable = true;
-      enable = true;
-      # Use pre-built Doom Emacs - all packages built at nix build time
-      # This means no doom sync is needed after booting the live USB
-      prebuiltDoom = true;
-    };
     i3_sway.enable = true;
     # development.enable = false;  # Not needed for live USB
     # communication.enable = false; # Not needed for live USB

home/roles/emacs/default.nix

@@ -23,30 +23,13 @@ let
     if pkgs.stdenv.isDarwin
     then pkgs.emacs-macport.pkgs.withPackages emacsPackages
     else pkgs.emacs.pkgs.withPackages emacsPackages;
-
-  # Path to doom config directory (relative to this file)
-  doomConfigDir = ./doom;
 in
 {
   options.home.roles.emacs = {
     enable = mkEnableOption "Doom Emacs with vterm and tree-sitter support";
-
-    prebuiltDoom = mkOption {
-      type = types.bool;
-      default = false;
-      description = ''
-        Use nix-doom-emacs-unstraightened to pre-build all Doom packages at
-        nix build time. This eliminates the need to run `doom sync` after
-        first boot, making it ideal for live USB images or immutable systems.
-
-        When enabled, the doom configuration is read-only (stored in nix store).
-      '';
-    };
   };
 
-  config = mkIf cfg.enable (mkMerge [
+  config = mkIf cfg.enable {
-    # Common configuration for both modes
-    {
     home.packages = [
       pkgs.emacs-all-the-icons-fonts
       pkgs.fira-code
@@ -63,16 +46,13 @@ in
       pkgs.python3
     ];
 
-      fonts.fontconfig.enable = true;
-    }
-
-    # Standard Doom Emacs mode (requires doom sync at runtime)
-    (mkIf (!cfg.prebuiltDoom) {
     programs.emacs = {
       enable = true;
       package = defaultEmacsPackage;
     };
 
+    fonts.fontconfig.enable = true;
+
     # Mount emacs and tree-sitter grammars from nix store
     home.file = {
       "${config.xdg.configHome}/emacs".source = doomEmacs;
@@ -93,20 +73,5 @@ in
       rm -rf "${config.xdg.configHome}/doom"
       ln -sf "${config.home.homeDirectory}/nixos-configs/home/roles/emacs/doom" "${config.xdg.configHome}/doom"
     '';
-    })
-
-    # Pre-built Doom Emacs mode (no doom sync needed - ideal for live USB)
-    (mkIf cfg.prebuiltDoom {
-      programs.doom-emacs = {
-        enable = true;
-        doomDir = doomConfigDir;
-        doomLocalDir = "${config.xdg.dataHome}/doom";
-        # Add extra packages that aren't part of Doom but needed for our config
-        extraPackages = epkgs: [
-          epkgs.vterm
-          epkgs.treesit-grammars.with-all-grammars
-        ];
   };
-    })
-  ]);
 }

home/roles/emacs/doom/packages.el

@@ -51,21 +51,11 @@
 
 ;; (package! org-caldav)
 
-;; Note: Packages with custom recipes must be pinned for nix-doom-emacs-unstraightened
-;; to build deterministically. Update pins when upgrading packages.
-
 (package! gptel :recipe (:nonrecursive t))
 
 (package! claude-code-ide
-  :recipe (:host github :repo "manzaltu/claude-code-ide.el")
+  :recipe (:host github :repo "manzaltu/claude-code-ide.el"))
-  :pin "760240d7f03ff16f90ede9d4f4243cd94f3fed73")
 
 (package! gptel-tool-library
   :recipe (:host github :repo "aard-fi/gptel-tool-library"
-           :files ("*.el"))
+           :files ("*.el")))
-  :pin "baffc3b0d74a2b7cbda0d5cd6dd7726d6ccaca83")
-
-(package! beads
-  :recipe (:type git :repo "https://codeberg.org/ctietze/beads.el.git"
-           :files ("lisp/*.el"))
-  :pin "f40a6461d3c0fa0969311bbb6a1e30d1bba86c88")

machines/john-endesktop/MIGRATION_PLAN.md

@@ -170,6 +170,7 @@ This document outlines the plan to migrate the john-endesktop server from Arch L
    ```bash
    blkid /dev/nvme0n1p5
    # Note the UUID for updating hardware-configuration.nix
+/dev/nvme0n1p5: LABEL="nixos" UUID="5f4ad025-bfab-4aed-a933-6638348059e5" UUID_SUB="4734d820-7b8a-4b7f-853a-026021c1d204" BLOCK_SIZE="4096" TYPE="btrfs" PARTLABEL="data" PARTUUID="9ea025df-cdb7-48fd-b5d4-37cd5d8588eb"
    ```
 
 8. **Copy your NixOS configuration to the server**
@@ -388,11 +389,11 @@ After successful migration and 24-48 hours of stable operation:
 
 Pre-migration:
 - [x] nvme0n1p5 removal from media pool complete
-- [ ] Recent backup verified (< 24 hours)
+- [x] Recent backup verified (< 24 hours)
-- [ ] Maintenance window scheduled
+- [x] Maintenance window scheduled
-- [ ] NixOS ISO downloaded
+- [x] NixOS ISO downloaded
-- [ ] Bootable USB created
+- [x] Bootable USB created
-- [ ] NixOS config builds successfully
+- [x] NixOS config builds successfully
 
 During migration:
 - [ ] ZFS pools exported

machines/wixos/configuration.nix

@@ -17,6 +17,15 @@
       enable = true;
       wayland = true;
     };
+    nvidia = {
+      enable = true;
+      package = "latest";
+      graphics.extraPackages = with pkgs; [
+        mesa
+        libvdpau-va-gl
+        libva-vdpau-driver
+      ];
+    };
     users.enable = true;
   };
 
@@ -29,28 +38,13 @@
   wsl.wslConf.network.hostname = "wixos";
   wsl.wslConf.user.default = "johno";
 
-  services.xserver.videoDrivers = [ "nvidia" ];
+  # WSL-specific environment variables for graphics
-  hardware.graphics = { 
-    enable = true;
-
-    extraPackages = with pkgs; [
-      mesa
-      libvdpau-va-gl
-      libva-vdpau-driver
-    ];
-  };
   environment.sessionVariables = {
     LD_LIBRARY_PATH = [
       "/usr/lib/wsl/lib"
       "/run/opengl-driver/lib"
     ];
   };
-  hardware.nvidia = {
-    modesetting.enable = true;
-    nvidiaSettings = true;
-    open = true;
-    package = config.boot.kernelPackages.nvidiaPackages.latest;
-  };
 
   # This value determines the NixOS release from which the default
   # settings for stateful data, like file locations and database versions

machines/zix790prors/configuration.nix

@@ -26,7 +26,10 @@ with lib;
       x11 = true;
     };
     nfs-mounts.enable = true;
-    nvidia.enable = true;
+    nvidia = {
+      enable = true;
+      graphics.enable32Bit = true;
+    };
     printing.enable = true;
     remote-build.enableBuilder = true;
     users.enable = true;
@@ -47,27 +50,11 @@ with lib;
   # Fix dual boot clock sync - tell Linux to use local time for hardware clock
   time.hardwareClockInLocalTime = true;
 
-  # NVIDIA Graphics configuration
-  services.xserver.videoDrivers = [ "nvidia" ];
-  hardware.graphics.enable = true;
-  hardware.graphics.enable32Bit = true;
-  
   # Set DP-0 as primary display with 164.90Hz refresh rate
   services.xserver.displayManager.sessionCommands = ''
     ${pkgs.xorg.xrandr}/bin/xrandr --output DP-0 --mode 3440x1440 --rate 164.90 --primary
   '';
 
-  hardware.nvidia = {
-    modesetting.enable = true;
-    nvidiaSettings = true;
-    package = pkgs.linuxPackages.nvidiaPackages.stable;
-    open = true;
-    
-    # For gaming performance
-    powerManagement.enable = false;
-    powerManagement.finegrained = false;
-  };
-
   services.ollama = {
     enable = true;
     acceleration = "cuda";

roles/nvidia/default.nix

@@ -8,9 +8,89 @@ in
 {
   options.roles.nvidia = {
     enable = mkEnableOption "Enable the nvidia role";
+
+    # Driver configuration options
+    open = mkOption {
+      type = types.bool;
+      default = true;
+      description = "Use the open source nvidia kernel driver (for Turing and newer GPUs).";
+    };
+
+    modesetting = mkOption {
+      type = types.bool;
+      default = true;
+      description = "Enable kernel modesetting for nvidia.";
+    };
+
+    nvidiaSettings = mkOption {
+      type = types.bool;
+      default = true;
+      description = "Enable the nvidia-settings GUI.";
+    };
+
+    package = mkOption {
+      type = types.enum [ "stable" "latest" "beta" "vulkan_beta" "production" ];
+      default = "stable";
+      description = "The nvidia driver package to use.";
+    };
+
+    powerManagement = {
+      enable = mkOption {
+        type = types.bool;
+        default = false;
+        description = "Enable nvidia power management (useful for laptops, not recommended for desktops).";
+      };
+
+      finegrained = mkOption {
+        type = types.bool;
+        default = false;
+        description = "Enable fine-grained power management for Turing and newer GPUs.";
+      };
+    };
+
+    graphics = {
+      enable = mkOption {
+        type = types.bool;
+        default = true;
+        description = "Enable hardware graphics support.";
+      };
+
+      enable32Bit = mkOption {
+        type = types.bool;
+        default = false;
+        description = "Enable 32-bit graphics libraries (needed for some games).";
+      };
+
+      extraPackages = mkOption {
+        type = types.listOf types.package;
+        default = [];
+        description = "Extra packages to add to hardware.graphics.extraPackages.";
+      };
+    };
   };
 
   config = mkIf cfg.enable {
+    # Set xserver video driver
+    services.xserver.videoDrivers = [ "nvidia" ];
+
+    # Graphics configuration
+    hardware.graphics = {
+      enable = cfg.graphics.enable;
+      enable32Bit = cfg.graphics.enable32Bit;
+      extraPackages = cfg.graphics.extraPackages;
+    };
+
+    # NVIDIA driver configuration
+    hardware.nvidia = {
+      modesetting.enable = cfg.modesetting;
+      nvidiaSettings = cfg.nvidiaSettings;
+      open = cfg.open;
+      package = config.boot.kernelPackages.nvidiaPackages.${cfg.package};
+      powerManagement.enable = cfg.powerManagement.enable;
+      powerManagement.finegrained = cfg.powerManagement.finegrained;
+    };
+
+    # Additional packages for nvidia support
     environment.systemPackages = with pkgs; [
       libva-utils
       nvidia-vaapi-driver