gate homebrew improt by darwin check to fix building on linux

home-modules/default.nix

@@ -1,6 +1,8 @@
 { flake, pkgs, lib, osConfig ? null, ... }:
 
 {
+  options.lumpiastyHome.macos = lib.mkEnableOption "Macos specific things";
+
   imports = [
     ./gpg.nix
     ./pc.nix
@@ -8,9 +10,11 @@
     ./gaming.nix
     ./fhsBash.nix
     ./linux.nix
+  ] ++ lib.optionals (osConfig ? system.defaults) [
+    # Can't use config.lumpiastyHome.macos here — imports are evaluated before config,
+    # causing infinite recursion. osConfig ? system.defaults detects nix-darwin.
     ./macos.nix
-    ./brew.nix
   ] ++ lib.optionals (osConfig.lumpiasty.enablePlasma) [
     ./plasma.nix
   ];
-}
+}