evolution-data-server: disable webkitgtk features

hosts/common/programs/evolution-data-server.nix

@@ -1,7 +1,6 @@
 # evolution-data-server (e-d-s) exposes DBus services for managing contacts and calendars.
 #
-# TODO:
-# - remove webkitgtk dependency
+# TODO: setup plaintext backend (e.g. vcard import/export; or CardDAV with a plaintext backend like radicale)
 #
 # common users include:
 # - `folks` (for contacts only, used in turn by `gnome-calls`, `gnome-contacts`, et al.)
@@ -68,12 +67,18 @@
 # - WEBCAL_DEBUG
 # - WEBDAV_DEBUG
 # - WEBDAV_NOTES_DEBUG
-{ config, ... }:
+{ config, pkgs, ... }:
 let
   cfg = config.sane.programs."evolution-data-server";
 in
 {
   sane.programs."evolution-data-server" = {
+    packageUnwrapped = pkgs.evolution-data-server.override {
+      # disable the UI; avoid a dep on webkitgtk (if this is too blunt, specify `enableOAuth2 = false;` instead)
+      withGtk3 = false;
+      withGtk4 = false;
+    };
+
     sandbox.whitelistDbus = [ "user" ];
 
     persist.byStore.ephemeral = [