Add a script to test fetching PGP keys from a Web Key Directory (WKD).

nix/configuration/roles/gpg/default.nix

@@ -6,6 +6,14 @@
   ...
 }:
 
+let
+  gpg_test_wkd =
+    (pkgs.writeScriptBin "gpg_test_wkd" (builtins.readFile ./files/gpg_test_wkd.bash)).overrideAttrs
+      (old: {
+        buildCommand = "${old.buildCommand}\n patchShebangs $out";
+
+      });
+in
 {
   imports = [ ];
 
@@ -139,6 +147,7 @@
     glibcLocales
     ccid
     libusb-compat-0_1
+    gpg_test_wkd
   ];
 
   # nixpkgs.overlays = [