remove nixpkgs overwrite

export/nixosConfigurations.nix

@@ -1,15 +1,19 @@
 { nixosUsers ? {}, nixosGroups ? {}, nixosModules, hmModules ? { default = {}; }, ...}@flake: { nixpkgs, ... }@inputs: { host, ... }@imports: let
-  system = hostname: { namespace?"fbs42" }: nixpkgs.lib.nixosSystem {
-    specialArgs = { inherit inputs flake namespace; };
-    modules = builtins.concatLists (map (base: builtins.attrValues (flake.lib.scan { base = "${base}/host/${hostname}"; })) flake.lib.schema.base)
-      ++ [ { config.networking.hostName = hostname; } ]
-      ++ [ nixosModules.default ]
-      ++ [ inputs.home-manager.nixosModules.default ]
-      ++ [ { config.home-manager.sharedModules = [ hmModules.default ]; } ]
-      ++ [ { config.home-manager.extraSpecialArgs = { inherit flake namespace; }; } ]
-      ++ builtins.attrValues nixosUsers
-      ++ builtins.attrValues nixosGroups
-      ;
-  };
+  host' = name: snippets: let
+    system = { namespace?"fbs42" }: nixpkgs.lib.nixosSystem {
+      specialArgs = { inherit inputs flake namespace; };
+      modules = builtins.concatLists (map (base: builtins.attrValues (flake.lib.scan { base = "${base}/host/${name}"; })) flake.lib.schema.base)
+        ++ [ { config.networking.hostName = name; } ]
+        ++ [ nixosModules.default ]
+        ++ [ inputs.home-manager.nixosModules.default ]
+        ++ [ { config.home-manager.sharedModules = [ hmModules.default ]; } ]
+        ++ [ { config.home-manager.extraSpecialArgs = { inherit flake namespace; }; } ]
+        ++ builtins.attrValues nixosUsers
+        ++ builtins.attrValues nixosGroups
+        ;
+    };
 
-in builtins.mapAttrs (hostname: snippets: assert builtins.length snippets == 1; system hostname (builtins.head snippets)) host
+    cfg = assert builtins.length snippets == 1; builtins.head snippets;
+  in system cfg;
+
+in builtins.mapAttrs host' host