From df5652ffb55974c3153fd0a66a2ac606bd46cfc5 Mon Sep 17 00:00:00 2001
From: Richard Hughes <richard@hughsie.com>
Date: Mon, 8 May 2017 19:06:08 +0100
Subject: [PATCH] trivial: Return a sensible error if DownloadURI is
 intentionaly left blank

---
 src/fu-util.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/src/fu-util.c b/src/fu-util.c
index 677cc7a..d24e46e 100644
--- a/src/fu-util.c
+++ b/src/fu-util.c
@@ -697,6 +697,15 @@ fu_util_download_metadata (FuUtilPrivate *priv, GError **error)
 	data_uri = g_key_file_get_string (config, "fwupd", "DownloadURI", error);
 	if (data_uri == NULL)
 		return FALSE;
+	if (data_uri[0] == '\0') {
+		g_set_error (error,
+			     FWUPD_ERROR,
+			     FWUPD_ERROR_NOT_SUPPORTED,
+			     "Nothing set as DownloadURI in %s",
+			     config_fn);
+		return FALSE;
+
+	}
 	sig_uri = g_strdup_printf ("%s.asc", data_uri);
 	data_fn = g_build_filename (cache_dir, "firmware.xml.gz", NULL);
 	sig_fn = g_strdup_printf ("%s.asc", data_fn);
-- 
2.12.2