Reduce build size via config restriction

modules/nixos/system/fonts/default.nix

@@ -1,6 +1,6 @@
-{ pkgs, ... }: {
+{ config, lib, pkgs, ... }: {
 
-  fonts = {
+  fonts = lib.mkIf (config.syscfg.make.gui || config.syscfg.make.serverExtras) {
     enableDefaultPackages = false;
     fontDir.enable = true;
 

modules/nixos/system/hw/base/default.nix

@@ -1,5 +1,5 @@
-{ lib, ... }: {
-  services.fwupd.enable = true;
+{ config, lib, ... }: {
+  services.fwupd.enable = lib.mkDefault (config.syscfg.make.gui || config.syscfg.make.power);
   hardware.enableAllFirmware = false;
-  services.power-profiles-daemon.enable = lib.mkDefault true;
+  services.power-profiles-daemon.enable = lib.mkDefault config.syscfg.make.gui;
 }

modules/nixos/system/hw/fs/default.nix

@@ -1,6 +1,9 @@
-{ pkgs, ... }: {
+{ config, lib, pkgs, ... }:
+let
+  hasNfsFileSystems = lib.any (fs: fs.fsType == "nfs" || fs.fsType == "nfs4") (lib.attrValues config.fileSystems);
+in {
   services.fstrim.enable = true; # Improves SSD life
-  services.gvfs.enable = true; # User Mounted FS
+  services.gvfs.enable = config.syscfg.make.gui; # User Mounted FS
 
-  environment.systemPackages = with pkgs; [ nfs-utils ];
+  environment.systemPackages = lib.optionals hasNfsFileSystems [ pkgs.nfs-utils ];
 }

modules/nixos/system/hw/graphics/default.nix

@@ -1,4 +1,4 @@
-{ ... }: {
-  hardware.graphics.enable = true;
-  hardware.graphics.enable32Bit = true;
+{ config, ... }: {
+  hardware.graphics.enable = config.syscfg.make.gui || config.syscfg.make.serverExtras || config.syscfg.make.game;
+  hardware.graphics.enable32Bit = config.syscfg.make.game;
 }

modules/nixos/system/security/polkit/default.nix

@@ -1,10 +1,12 @@
-{ pkgs, ... }: {
-  security.polkit.enable = true;
-  security.pam.services.hyprlock = { #swaylock
-    text = ''
-      auth include login
-    '';
-  };
+{ config, lib, pkgs, ... }: {
+  config = lib.mkIf config.syscfg.make.gui {
+    security.polkit.enable = true;
+    security.pam.services.hyprlock = { #swaylock
+      text = ''
+        auth include login
+      '';
+    };
 
-  environment.systemPackages = with pkgs; [ polkit_gnome ];
+    environment.systemPackages = [ pkgs.polkit_gnome ];
+  };
 }

modules/nixos/tools/default.nix

@@ -1,5 +1,5 @@
-{ pkgs, ... }: {
+{ config, lib, pkgs, ... }: {
   imports = [ ./debug ./develop ./telegraf ];
 
-  environment.systemPackages = with pkgs; [ pkgs.engrampa ];
+  environment.systemPackages = lib.optionals config.syscfg.make.gui [ pkgs.engrampa ];
 }