remove nixpkgs overwrite

export/nixosConfigurations.nix

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

flake.lock

@@ -38,16 +38,16 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1751274312,
-        "narHash": "sha256-/bVBlRpECLVzjV19t5KMdMFWSwKLtb5RyXdjz3LJT+g=",
+        "lastModified": 1763966396,
+        "narHash": "sha256-6eeL1YPcY1MV3DDStIDIdy/zZCDKgHdkCmsrLJFiZf0=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "50ab793786d9de88ee30ec4e4c24fb4236fc2674",
+        "rev": "5ae3b07d8d6527c42f17c876e404993199144b6a",
         "type": "github"
       },
       "original": {
         "owner": "nixos",
-        "ref": "nixos-24.11",
+        "ref": "nixos-unstable",
         "repo": "nixpkgs",
         "type": "github"
       }

flake.nix

@@ -1,6 +1,6 @@
 {
   inputs = {
-    nixpkgs.url = "github:nixos/nixpkgs/nixos-24.11";
+    nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";
     hardware.url = "github:nixos/nixos-hardware";
     home-manager = {
       url = "github:nix-community/home-manager/release-24.11";