stuff?

overlays/default.nix

@@ -0,0 +1,30 @@
+{
+  outputs,
+  inputs,
+}: let
+  addPatches = pkg: patches:
+    pkg.overrideAttrs (oldAttrs: {
+      patches = (oldAttrs.patches or []) ++ patches;
+    });
+in {
+  # For every flake input, aliases 'pkgs.inputs.${flake}' to
+  # 'inputs.${flake}.packages.${pkgs.system}' or
+  # 'inputs.${flake}.legacyPackages.${pkgs.system}'
+  flake-inputs = final: _: {
+    inputs =
+      builtins.mapAttrs (
+        _: flake: let
+          legacyPackages = (flake.legacyPackages or {}).${final.system} or {};
+          packages = (flake.packages or {}).${final.system} or {};
+        in
+          if legacyPackages != {}
+          then legacyPackages
+          else packages
+      )
+      inputs;
+  };
+
+  nixpkgs.overlays = [
+    nix-vscode-extensions.overlays.default
+  ];
+}