feat(flake): add home-manager nixos module support to host.admin

system/modules/host/admin/default.nix

@@ -1,9 +1,10 @@
-{ lib, config, pkgs, ... }:
+{ lib, config, pkgs, inputs, outputs, self, ... }:
 
 let
   cfg = config.systemModules.host.admin;
+  host = config.systemModules.host;
   ifTheyExist = groups: builtins.filter (group: builtins.hasAttr group config.users.groups) groups;
-  inherit (lib) types mkOption;
+  inherit (lib) mkIf types mkOption;
 in
 
 {
@@ -23,6 +24,11 @@ in
       default = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIBn3ff3HaZHIyH4K13k8Mwqu/o7jIABJ8rANK+r2PfJk";
       description = "The ssh key for the admin user";
     };
+    homeManager = mkOption {
+      type = types.bool;
+      default = false;
+      description = "Enables home manager module for the admin user";
+    };
   };
 
   config = {
@@ -45,5 +51,13 @@ in
         "torrenter"
       ];
     };
+    home-manager = mkIf cfg.homeManager {
+      useGlobalPkgs = true;
+      useUserPackages = true;
+      backupFileExtension = "hm.old";
+      verbose = true;
+      extraSpecialArgs = { inherit inputs outputs self; };
+      users.${cfg.name} = import "${self}/home/user/${cfg.name}/${host.name}";
+    };
   };
 }