From 019a210c94d180ff1dce942ba7531b025a1ce67f Mon Sep 17 00:00:00 2001
From: Richard Hughes <richard@hughsie.com>
Date: Wed, 24 Nov 2021 15:20:13 +0000
Subject: [PATCH] Show an error when loading XML with multiple <component> tags

Fixes https://github.com/fwupd/fwupd/issues/4022, but requires a newer
libxmlb to be installed.
---
 libfwupdplugin/fu-cabinet.c | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/libfwupdplugin/fu-cabinet.c b/libfwupdplugin/fu-cabinet.c
index 0cd0f3929..4bfde3a20 100644
--- a/libfwupdplugin/fu-cabinet.c
+++ b/libfwupdplugin/fu-cabinet.c
@@ -693,7 +693,14 @@ fu_cabinet_build_silo(FuCabinet *self, GBytes *data, GError **error)
 	xb_builder_add_fixup(self->builder, fixup4);
 
 	/* did we get any valid files */
-	self->silo = xb_builder_compile(self->builder, XB_BUILDER_COMPILE_FLAG_NONE, NULL, error);
+	self->silo = xb_builder_compile(self->builder,
+#if LIBXMLB_CHECK_VERSION(0, 3, 4)
+					XB_BUILDER_COMPILE_FLAG_SINGLE_ROOT,
+#else
+					XB_BUILDER_COMPILE_FLAG_NONE,
+#endif
+					NULL,
+					error);
 	if (self->silo == NULL)
 		return FALSE;