@@ -1,6 +1,20 @@+let
+  path = ./overlays;
+  content = builtins.readDir path;
+  overlays = map (n: import (path + ("/" + n)))
+    (builtins.filter
+      (n:
+        (builtins.match ".*\\.nix" n != null &&
+        # ignore Emacs lock files (.#foo.nix)
+        builtins.match "\\.#.*" n == null) ||
+        builtins.pathExists (path + ("/" + n + "/default.nix")))
+      (builtins.attrNames content));
+in
 {
   meta = {
-    nixpkgs = <nixpkgs>;
+    nixpkgs = import <nixpkgs> {
+      inherit overlays;
+    };
     specialArgs = {
       srvos = import <srvos>;
     };