{ lib , pkgs , config , ... }: with lib; let cfg = config.simmer.school; extraCerts = [ ./incommon-rsa-ca2.pem ]; citrix = pkgs.citrix_workspace_23_09_0.override { inherit extraCerts; }; in { config = mkIf cfg.enable { environment.systemPackages = with pkgs; [ xournalpp libreoffice ] ++ optional cfg.citrix citrix; }; }