init (cerulean template)

nixpkgs.nix

@@ -0,0 +1,42 @@
+{inputs, ...} @ args: let
+  sharedOverlays = [
+    inputs.wa2k.overlays.default
+    inputs.millennium.overlays.default
+    (import ./overlays args)
+  ];
+in {
+  nixpkgs.channels = rec {
+    # base
+    base = npkgs;
+
+    # nixpkgs-stable
+    npkgs = {
+      source = inputs.nixpkgs;
+      overlays = [] ++ sharedOverlays;
+      config = {
+        allowUnfree = true;
+        allowBroken = false;
+      };
+    };
+
+    # nixpkgs-unstable
+    upkgs = {
+      source = inputs.nixpkgs-unstable;
+      overlays = [] ++ sharedOverlays;
+      config = {
+        allowUnfree = true;
+        allowBroken = false;
+      };
+    };
+
+    # nixpkgs-master
+    mpkgs = {
+      source = inputs.nixpkgs-master;
+      overlays = [] ++ sharedOverlays;
+      config = {
+        allowUnfree = true;
+        allowBroken = false;
+      };
+    };
+  };
+}