refactor(host): simplify local names

flake/host.nix

@@ -13,7 +13,7 @@ let
   mkHost =
     {
       root,
-      hostName,
+      name,
     }:
     lib.nixosSystem {
       inherit specialArgs;
@@ -28,11 +28,10 @@ let
           repositoryModules
 
           # TODO: refactor
-          registryAssembly.module
-          (root + "/${hostName}")
+          registryAssembly.module (root + "/${name}")
 
           {
-            networking.hostName = hostName;
+            networking.hostName = name;
             modules.host.enable = true;
           }
         ];
@@ -42,7 +41,11 @@ in
   mkHosts =
     { root }:
     let
-      hostNames = lib.attrNames (lib.filterAttrs (_name: type: type == "directory") (builtins.readDir root));
+      directories = lib.filterAttrs (_name: type: type == "directory") (builtins.readDir root);
+      names = lib.attrNames directories;
     in
-    lib.genAttrs hostNames (hostName: mkHost { inherit root hostName; });
+    lib.genAttrs names (
+      name:
+      mkHost { inherit root name; }
+    );
 }