home manager use nixpkgs-unstable

hosts/colmena/default.nix

@@ -2,10 +2,16 @@
   config,
   pkgs,
   lib,
+  nixpkgs-unstable,
   ...
 }:
 let
   p = import ../parameters.nix;
+  system = "x86_64-linux";
+  pkgsUnstable = import nixpkgs-unstable {
+    inherit system;
+    config.allowUnfree = true;
+  };
 in
 {
 
@@ -47,9 +53,10 @@ in
   ];
 
   home-manager = {
-    useGlobalPkgs = true;
+    useGlobalPkgs = false;
     useUserPackages = true;
     backupFileExtension = "backup";
+    extraSpecialArgs = { pkgs = pkgsUnstable; };
     users.${p.personal.username} = {
       imports = [ ../home.nix ];
       home.stateVersion = "25.11";

hosts/default.nix

@@ -75,7 +75,7 @@ let
       unstable = cfg.unstable or false;
       extraModules = cfg.extraModules or [ ];
       specialArgs = {
-        inherit authentik-nix;
+        inherit authentik-nix nixpkgs-unstable;
       }
       // (cfg.specialArgs or { });
     }