#1 hater of infinite recursion

nixpkgs.nix

@@ -0,0 +1,28 @@
+{
+  inputs,
+  system,
+  ...
+}: {
+  nixpkgs.channels.default = {
+    # nixpkgs-unstable
+    upkgs = {
+      inherit system;
+      source = inputs.nixpkgs-unstable;
+      overlays = with inputs; [
+        cachyos.overlays.pinned
+        millennium.overlays.default
+
+        (import ./overlays.nix {inherit inputs;})
+      ];
+
+      config.allowUnfree = true;
+    };
+    # nixpkgs-staging
+    spkgs = {
+      inherit system;
+      source = inputs.nixpkgs-staging;
+      overlays = [];
+      config.allowUnfree = true;
+    };
+  };
+}