refactor(flake): modifications for readability

flake.nix

@@ -19,18 +19,21 @@
       inputs.nixpkgs.follows = "nixpkgs";
     };
 
-    nur = {
-      url = github:nix-community/NUR;
-    };
-
-    nethack = {
-      url = git+https://git.psf.lt/xezo360hye/nethack?shallow=1;
-    };
+    nur.url = github:nix-community/NUR;
+    nethack.url = git+https://git.psf.lt/xezo360hye/nethack?shallow=1;
   };
 
-  outputs = { self, nixpkgs, home-manager, nixvim, nethack, plasma-manager, nur, ...  } @ inputs:
+  outputs = {
+    self,
+    nixpkgs,
+    home-manager,
+    nixvim,
+    nethack,
+    plasma-manager,
+    nur,
+    ... 
+  } @ inputs:
   let
-    inherit (self) outputs;
     inherit (nixpkgs) lib;
 
     username = "andrey";
@@ -55,17 +58,28 @@
       };
     };
 
-    extractModule = { homeManagerModules, ... }: homeManagerModules."${lib.head (lib.attrNames homeManagerModules)}";
-    homeManagerModules = map extractModule [ nixvim nethack plasma-manager ];
-    makeHome = hostname: {
-      "${username}@${hostname}" = home-manager.lib.homeManagerConfiguration {
+
+    makeHome = hostname:
+    let
+      extractModules = map
+        (module:
+         let hm = module.homeManagerModules;
+         in hm.${lib.head (lib.attrNames hm)});
+    in
+    {
+      "${username}@${hostname}" = home-manager.lib.homeManagerConfiguration
+      {
+        extraSpecialArgs = { inherit inputs; };
         pkgs = import nixpkgs {
           system = "x86_64-linux";
-          config.allowUnfree = true;
           overlays = [ nur.overlay ];
         };
-        extraSpecialArgs = { inherit inputs; };
-        modules = homeManagerModules ++ [
+
+        modules = (extractModules [
+          nixvim
+          nethack
+          plasma-manager
+        ]) ++ [
           nur.hmModules.nur
 
           ./home/${hostname}.nix