nixos/systemd: gnupg -> gnupgMinimal (#527976)

nixos/modules/system/boot/systemd.nix

@@ -809,7 +809,7 @@ in
     systemd.targets.remote-fs.unitConfig.X-StopOnReconfiguration = true;
     systemd.services.systemd-importd = lib.mkIf cfg.package.withImportd {
       environment = proxy_env;
-      path = [ pkgs.gnupg ];
+      path = [ pkgs.gnupgMinimal ];
     };
     systemd.services.systemd-pstore.wantedBy = [ "sysinit.target" ]; # see #81138
 

nixos/modules/system/boot/systemd/sysupdate.nix

@@ -138,7 +138,7 @@ in
 
     systemd.services.systemd-sysupdated = {
       aliases = [ "dbus-org.freedesktop.sysupdate1.service" ];
-      path = [ pkgs.gnupg ];
+      path = [ pkgs.gnupgMinimal ];
     };
 
     systemd.timers = {

pkgs/top-level/all-packages.nix

@@ -2284,6 +2284,10 @@ with pkgs;
     pinentry = if stdenv.hostPlatform.isDarwin then pinentry_mac else pinentry-gtk2;
   };
   gnupg = gnupg24;
+  gnupgMinimal = gnupg.override {
+    enableMinimal = true;
+    guiSupport = false;
+  };
 
   gnused = callPackage ../tools/text/gnused { };