base/common_hardware.nix

@@ -1,4 +1,5 @@
 {
+  mkDashDefault,
   pkgs,
   config,
   lib,
@@ -10,19 +11,18 @@
 in {
   imports = [
     (modulesPath + "/installer/scan/not-detected.nix")
-    #(modulesPath + "/misc/nixpkgs/read-only.nix")
   ];
 
-  wsl.enable = config.conf.wsl;
+  wsl.enable = mkDashDefault config.conf.wsl;
 
   # Bootloader.
   boot = lib.mkIf (!config.conf.wsl) {
-    consoleLogLevel = 0;
+    consoleLogLevel = mkDashDefault 0;
 
     lanzaboote = lib.mkIf config.conf.secureBoot {
-      enable = true;
+      enable = mkDashDefault true;
-      pkiBundle = "/var/lib/sbctl";
+      pkiBundle = mkDashDefault "/var/lib/sbctl";
-      settings.reboot-for-bitlocker = true;
+      settings.reboot-for-bitlocker = mkDashDefault true;
     };
 
     loader = {
@@ -32,15 +32,15 @@ in {
           then lib.mkForce false
           else if config.conf.useSystemdBootloader
           then true
-          else false;
+          else mkDashDefault false;
         configurationLimit = 5;
       };
-      efi.canTouchEfiVariables = true;
+      efi.canTouchEfiVariables = mkDashDefault true;
     };
 
-    kernelPackages = lib.mkDefault pkgs.linuxPackages_latest;
+    kernelPackages = mkDashDefault pkgs.linuxPackages_latest;
     initrd = {
-      verbose = false;
+      verbose = mkDashDefault false;
       availableKernelModules = [
         "nvme"
         "xhci_pci"
@@ -60,46 +60,46 @@ in {
   };
 
   networking = {
-    useDHCP = lib.mkDefault true;
+    useDHCP = mkDashDefault true;
-    networkmanager.enable = true;
+    networkmanager.enable = mkDashDefault true;
-    hostName = hostName;
+    hostName = mkDashDefault hostName;
   };
 
   time = {
-    timeZone = config.conf.timezone;
+    timeZone = mkDashDefault config.conf.timezone;
-    hardwareClockInLocalTime = config.conf.systemLocalTime;
+    hardwareClockInLocalTime = mkDashDefault config.conf.systemLocalTime;
   };
 
-  i18n.defaultLocale = config.conf.locale;
+  i18n.defaultLocale = mkDashDefault config.conf.locale;
 
   services = {
-    lorri.enable = true;
+    lorri.enable = mkDashDefault true;
-    xserver.enable = true;
+    xserver.enable = mkDashDefault true;
-    fstrim.enable = lib.mkDefault true;
+    fstrim.enable = mkDashDefault true;
-    pulseaudio.enable = false;
+    pulseaudio.enable = mkDashDefault false;
     pipewire = {
-      enable = true;
+      enable = mkDashDefault true;
       alsa = {
-        enable = true;
+        enable = mkDashDefault true;
-        support32Bit = true;
+        support32Bit = mkDashDefault true;
       };
-      jack.enable = true;
+      jack.enable = mkDashDefault true;
-      pulse.enable = true;
+      pulse.enable = mkDashDefault true;
     };
   };
 
-  nixpkgs.hostPlatform = lib.mkDefault config.conf.system;
+  nixpkgs.hostPlatform = mkDashDefault config.conf.system;
   nix = {
     gc = {
-      automatic = true;
+      automatic = mkDashDefault true;
-      dates = "weekly";
+      dates = mkDashDefault "weekly";
-      options = "--delete-older-than 7d --delete-generations +5";
+      options = mkDashDefault "--delete-older-than 7d --delete-generations +5";
     };
     settings = {
       trusted-users = [username];
-      auto-optimise-store = true;
+      auto-optimise-store = mkDashDefault true;
 
-      builders-use-substitutes = true;
+      builders-use-substitutes = mkDashDefault true;
 
       substituters = [
         "https://hyprland.cachix.org"
@@ -129,29 +129,30 @@ in {
         "chaotic-nyx.cachix.org-1:HfnXSw4pj95iI/n17rIDy40agHj12WfF+Gqk6SonIT8="
       ];
 
-      experimental-features = "nix-command flakes pipe-operators";
+      experimental-features = mkDashDefault "nix-command flakes pipe-operators";
     };
   };
 
   hardware = {
     cpu.${config.conf.cpu}.updateMicrocode =
-      lib.mkDefault config.hardware.enableRedistributableFirmware;
+      mkDashDefault
+      config.hardware.enableRedistributableFirmware;
   };
 
-  security.rtkit.enable = true;
+  security.rtkit.enable = mkDashDefault true;
 
   environment.variables = {
-    XDG_CACHE_HOME = "$HOME/.cache";
+    XDG_CACHE_HOME = mkDashDefault "$HOME/.cache";
-    DIRENV_LOG_FORMAT = "";
+    DIRENV_LOG_FORMAT = mkDashDefault "";
-    QT_QPA_PLATFORMTHEME = "qt5ct";
+    QT_QPA_PLATFORMTHEME = mkDashDefault "qt5ct";
   };
 
   # allows user change later on
   users = {
-    mutableUsers = true;
+    mutableUsers = mkDashDefault true;
     users.${username} = {
-      isNormalUser = true;
+      isNormalUser = mkDashDefault true;
-      description = username;
+      description = mkDashDefault username;
       extraGroups = [
         "networkmanager"
         "wheel"
@@ -167,7 +168,7 @@ in {
       ];
       # this password will only last for the first login
       # e.g. login, then change to whatever else, this also ensures no public hash is available
-      password = "firstlogin";
+      password = mkDashDefault "firstlogin";
     };
   };
 }

base/env.nix

@@ -1,22 +1,23 @@
 {
+  mkDashDefault,
   pkgs,
   config,
   ...
 }: {
   environment = {
     variables = {
-      GSETTINGS_SCHEMA_DIR = "${pkgs.glib.getSchemaPath pkgs.gsettings-desktop-schemas}";
+      GSETTINGS_SCHEMA_DIR = mkDashDefault "${pkgs.glib.getSchemaPath pkgs.gsettings-desktop-schemas}";
-      NEOVIDE_MAXIMIZED = "0";
+      NEOVIDE_MAXIMIZED = mkDashDefault "0";
-      GPG_TTY = "$(tty)";
+      GPG_TTY = mkDashDefault "$(tty)";
-      EDITOR = "neovide --no-fork";
+      EDITOR = mkDashDefault "neovide --no-fork";
-      SUDO_EDITOR = "neovide --no-fork";
+      SUDO_EDITOR = mkDashDefault "neovide --no-fork";
-      SCRIPTS = "$HOME/.config/scripts";
+      SCRIPTS = mkDashDefault "$HOME/.config/scripts";
     };
     sessionVariables = {
-      NIXOS_OZONE_WL = "1";
+      NIXOS_OZONE_WL = mkDashDefault "1";
-      GOPATH = "$HOME/.go";
+      GOPATH = mkDashDefault "$HOME/.go";
-      FLAKE = config.conf.nixosConfigPath;
+      FLAKE = mkDashDefault config.conf.nixosConfigPath;
-      NH_FLAKE = config.conf.nixosConfigPath;
+      NH_FLAKE = mkDashDefault config.conf.nixosConfigPath;
     };
   };
 }

base/xkb_layout.nix

@@ -1,4 +1,8 @@
-{pkgs, ...}: let
+{
+  mkDashDefault,
+  pkgs,
+  ...
+}: let
   layout = pkgs.writeText "dashie" ''
     xkb_symbols "dashie"
     {
@@ -10,7 +14,7 @@
     };
   '';
 in {
-  environment.systemPackages = [pkgs.xorg.xkbcomp];
+  environment.systemPackages = mkDashDefault [pkgs.xorg.xkbcomp];
   services.xserver.xkb.extraLayouts.dashie = {
     description = "US layout with 'umlaut'";
     languages = ["eng"];

home/common.nix

@@ -1,4 +1,5 @@
 {
+  mkDashDefault,
   config,
   lib,
   ...
@@ -6,30 +7,30 @@
   username = config.conf.username;
 in {
   manual = {
-    html.enable = false;
+    html.enable = mkDashDefault false;
-    json.enable = false;
+    json.enable = mkDashDefault false;
-    manpages.enable = false;
+    manpages.enable = mkDashDefault false;
   };
 
-  fonts.fontconfig.enable = true;
+  fonts.fontconfig.enable = mkDashDefault true;
 
   home = {
-    username = username;
+    username = mkDashDefault username;
-    homeDirectory = "/home/${username}";
+    homeDirectory = mkDashDefault "/home/${username}";
     sessionPath = ["$HOME/.cargo/bin"];
 
-    enableNixpkgsReleaseCheck = false;
+    enableNixpkgsReleaseCheck = mkDashDefault false;
     sessionVariables = {
-      GOROOT = "$HOME/.go";
+      GOROOT = mkDashDefault "$HOME/.go";
-      QT_QPA_PLATFORMTHEME = "qt5ct";
+      QT_QPA_PLATFORMTHEME = mkDashDefault "qt5ct";
     };
 
-    keyboard = null;
+    keyboard = mkDashDefault null;
   };
 
   programs.nix-index = {
-    enable = true;
+    enable = mkDashDefault true;
-    enableFishIntegration = true;
+    enableFishIntegration = mkDashDefault true;
   };
 
   nix = {

home/default.nix

@@ -1,4 +1,5 @@
 {
+  mkDashDefault,
   additionalHomeConfig,
   additionalHomeMods,
   additionalInputs,
@@ -16,17 +17,18 @@
   ...
 }: {
   xdg = {
-    portal.config.common.default = "*";
+    portal.config.common.default = mkDashDefault "*";
     portal = {
-      enable = true;
+      enable = mkDashDefault true;
       extraPortals = [pkgs.xdg-desktop-portal-gtk];
     };
   };
   home-manager = {
-    useGlobalPkgs = true;
+    useGlobalPkgs = mkDashDefault true;
-    useUserPackages = true;
+    useUserPackages = mkDashDefault true;
     extraSpecialArgs = {
       inherit inputs root additionalInputs alternativePkgs system stable unstable;
+      mkDashDefault = import ../lib/override.nix {inherit lib;};
     };
 
     users.${config.conf.username} = {

lib/default.nix

@@ -105,6 +105,7 @@
             homeMods = mods.home;
             additionalHomeMods = additionalMods.home;
             additionalInputs = additionalInputs;
+            mkDashDefault = import ./override.nix {inherit lib;};
           };
         in
           inputs.unstable.lib.nixosSystem {

lib/override.nix

@@ -0,0 +1 @@
+{lib, ...}: value: lib.mkOverride 999 value

modules/programs/gpu.nix

@@ -1,4 +1,5 @@
 {
+  mkDashDefault,
   lib,
   config,
   options,
@@ -100,7 +101,7 @@
         ];
       in {
         enable = true;
-        enable32Bit = lib.mkDefault true;
+        enable32Bit = mkDashDefault true;
         extraPackages =
           amdPackages
           ++ (lib.lists.optionals (config.mods.gpu.vapi.rocm.enable && config.mods.gpu.amdgpu.enable) rocmPackages);