Allow access to the main home manager user directly

modules/user/default.nix

@@ -1,67 +1,80 @@
-{ system, inputs, config, pkgs, ... }: let
+{ system, inputs, config, lib, pkgs, ... }: let
   username = "admin";
   homeDirectory = "/home/${username}";
 in {
   imports = [ inputs.home-manager.nixosModules.home-manager ];
 
-  users.users.${username} = {
-    isNormalUser = true;
-    uid = 1000;
-    extraGroups = [ "wheel" ];
-    initialPassword = "test";
+  options.user = lib.mkOption {
+    type = with lib.types; attrsOf anything;
+    default = {};
   };
 
-  fonts = {
-    enableDefaultFonts = false;
+  config = {
+    users.users.${username} = {
+      isNormalUser = true;
+      uid = 1000;
+      extraGroups = [ "wheel" ];
+      initialPassword = "test";
+    };
 
-    fonts = with inputs.stable.legacyPackages.${system}; [
-      dejavu_fonts
-      nerdfonts
-      noto-fonts
-      noto-fonts-cjk
-    ];
-  };
+    fonts = {
+      enableDefaultFonts = false;
 
-  systemd = {
-    # kde polkit agent
-    user.services.polkit-agent = {
-      wants = [ "graphical-session.target" ];
-      after = [ "graphical-session.target" ];
+      fonts = with inputs.stable.legacyPackages.${system}; [
+        dejavu_fonts
+        nerdfonts
+        noto-fonts
+        noto-fonts-cjk
+      ];
+    };
 
-      serviceConfig = {
-        Type = "simple";
-        ExecStart = "${pkgs.polkit-kde-agent}/libexec/polkit-kde-authentication-agent-1";
-        Restart = "on-failure";
-        RestartSec = 1;
-        TimeoutStopSec = 10;
+    systemd = {
+      # kde polkit agent
+      user.services.polkit-agent = {
+        wants = [ "graphical-session.target" ];
+        after = [ "graphical-session.target" ];
+
+        serviceConfig = {
+          Type = "simple";
+          ExecStart = "${pkgs.polkit-kde-agent}/libexec/polkit-kde-authentication-agent-1";
+          Restart = "on-failure";
+          RestartSec = 1;
+          TimeoutStopSec = 10;
+        };
       };
     };
-  };
 
-  programs.gnupg.agent = {
-    enable = true;
-    pinentryFlavor = "gnome3";
-  };
-
-  environment.variables = {
-    XCURSOR_SIZE = "24";
-  };
-
-  programs.hyprland.enable = true;
-
-  home-manager = {
-    extraSpecialArgs = {
-      inherit system inputs;
-      systemConfig = config;
+    programs.gnupg.agent = {
+      enable = true;
+      pinentryFlavor = "gnome3";
     };
 
-    # use system nixpkgs instead of home-manager nixpkgs
-    useGlobalPkgs = true;
+    environment.variables = {
+      XCURSOR_SIZE = "24";
+    };
 
-    users.${username} = { system, inputs, systemConfig, pkgs, ... }: {
+    programs.hyprland.enable = true;
+
+    home-manager = {
+      extraSpecialArgs = {
+        inherit system inputs;
+      };
+
+      # use system nixpkgs instead of home-manager nixpkgs
+      useGlobalPkgs = true;
+
+      users.${username} = config.user;
+    };
+
+    # pass the user config as a system module argument
+    _module.args = {
+      homeConfig = config.home-manager.users.${username};
+    };
+
+    user = {
       home = {
         inherit username homeDirectory;
-        stateVersion = systemConfig.system.stateVersion;
+        stateVersion = config.system.stateVersion;
       };
     };
   };