#include <gio/gio.h>
/* gcc -o session-ex -Wall session-ex.c `pkg-config --cflags --libs gio-2.0`
 * */
int main (int argc, char *argv[])
{
        const gchar *packages[] = {"rpmdeplint",
                                   NULL};
        GDBusProxy *proxy = NULL;
        GError *error = NULL;
        GVariant *retval = NULL;

        /* get a session bus proxy */
        proxy = g_dbus_proxy_new_for_bus_sync (G_BUS_TYPE_SESSION,
                                               G_DBUS_PROXY_FLAGS_NONE, NULL,
                                               "org.freedesktop.PackageKit",
                                               "/org/freedesktop/PackageKit",
                                               "org.freedesktop.PackageKit.Modify2",
                                               NULL, &error);
        if (proxy == NULL) {
                g_warning ("failed: %s", error->message);
                g_error_free (error);
                goto out;
        }

        /* issue the sync request */
        retval = g_dbus_proxy_call_sync (proxy,
                                         "InstallPackageNames",
                                         g_variant_new ("(asssa{sv})",
                                                        packages,
                                                        "show-progress",
                                                        "session-ex"
                                                        "{}"),
                                         G_DBUS_CALL_FLAGS_NONE,
                                         -1, /* timeout */
                                         NULL, /* cancellable */
                                         &error);
        if (retval == NULL) {
                g_warning ("failed: %s", error->message);
                g_error_free (error);
                goto out;
        }
out:
        if (proxy != NULL)
                g_object_unref (proxy);
        return 0;
}