556 current 1970-01-01 01:00:00 24.11.20250210.44534bc 6.6.76 *

flake.nix

@@ -3,6 +3,7 @@
 
   inputs = {
     nixpkgs.url = "github:nixos/nixpkgs/nixos-24.11";
+    nixpkgs-unstable.url = "github:nixos/nixpkgs/nixos-unstable";
 
     home-manager.url = "github:nix-community/home-manager/release-24.11";
     home-manager.inputs.nixpkgs.follows = "nixpkgs";
@@ -16,6 +17,7 @@
 
   outputs = {
     nixpkgs,
+    nixpkgs-unstable,
     home-manager,
     sops-nix,
     musnix,
@@ -24,6 +26,12 @@
     system = "x86_64-linux";
     pkgs = import nixpkgs {
       inherit system;
+      overlays = [
+        # make unstable packages available via overlay
+        (final: prev: {
+          unstable = nixpkgs-unstable.legacyPackages.${prev.system};
+        })
+      ];
       config = {
         allowUnfreePredicate = pkg:
           builtins.elem (nixpkgs.lib.getName pkg) [