flake.nix

@@ -13,7 +13,10 @@
   outputs = { nixpkgs, home-manager, ... }:
     let
       homeManager = { system, specialArgs ? {
-        # Whether to install desktop-targeted tools and applications.
+        # Whether to configure the zsh prompt.
+        prompt = true;
+
+        # Whether to also install several useful cli tools and desktop applications.
         #
         # (This primarily focuses around macOS - please use and adopt at your own risk.)
         desktop = false;

home/home.nix

@@ -1,6 +1,7 @@
 { config, lib, pkgs, specialArgs, ... }:
 
 let
+  prompt = specialArgs.prompt or false;
   desktop = specialArgs.desktop or false;
 in {
   # It's standard convention that Darwin has the username
@@ -25,7 +26,7 @@ in {
     userEmail = "spotlight@joscomputing.space";
     # Only specify signing if GPG is otherwise being pulled in;
     # i.e. in a prompt configuration.
-    signing = {
+    signing = lib.mkIf (prompt) {
       key = "6EF6CBB6420B81DA3CCACFEA874AA355B3209BDC";
       signByDefault = true;
     };
@@ -38,14 +39,14 @@ in {
   };
 
   # Only include the desktop configuration if not dotfiles only.
-  imports = [
-    # vim, etc.
+  imports = (lib.optional (prompt) (
+    # vim, etc
     ./editor.nix
-    # zsh, etc.
+    # zsh, etc
     ./prompt.nix
-  ]
-  # Primarily GUI applications for desktop usage
-  ++ (lib.optional (desktop) ./desktop.nix);
+  )) ++ (lib.optional (desktop)
+    ./desktop.nix
+  ) ++ [];
 
   # This value determines the Home Manager release that your
   # configuration is compatible with. This helps avoid breakage

pkgs/default.nix

@@ -2,4 +2,11 @@ self: super:
 {
   monaco-powerline = super.callPackage ./monaco-powerline/default.nix {};
   swiftformat = super.callPackage ./swiftformat.nix {};
+
+  # Include gnome-icon-theme to virt-manager to fix broken icons.
+  virt-manager = super.virt-manager.override {
+    preFixup = super.virt-manager.preFixup ''
+      --prefix XDG_DATA_DIRS : "${super.hicolor-icon-theme}/share"
+    '';
+  };
 }