[gnome-software] fwupd: Don't show a critical warning with new versions of fwupd

[Richard Hughes <rhughes src gnome org>]

commit ed5da304e15024e3bd5dff00be033bf488aaa22b
Author: Richard Hughes <richard hughsie com>
Date:   Wed Aug 30 15:30:43 2017 +0100

    fwupd: Don't show a critical warning with new versions of fwupd

 plugins/fwupd/gs-plugin-fwupd.c |   12 ++++++++++++
 1 files changed, 12 insertions(+), 0 deletions(-)
---
diff --git a/plugins/fwupd/gs-plugin-fwupd.c b/plugins/fwupd/gs-plugin-fwupd.c
index 7f7e73b..c57bb63 100644
--- a/plugins/fwupd/gs-plugin-fwupd.c
+++ b/plugins/fwupd/gs-plugin-fwupd.c
@@ -760,6 +760,16 @@ gs_plugin_fwupd_refresh_remote (GsPlugin *plugin,
        g_autoptr(GBytes) data = NULL;
        g_autoptr(GsApp) app_dl = gs_app_new (gs_plugin_get_name (plugin));
 
+       /* sanity check */
+       if (fwupd_remote_get_filename_asc (remote) == NULL) {
+               g_set_error (error,
+                            GS_PLUGIN_ERROR,
+                            GS_PLUGIN_ERROR_FAILED,
+                            "remote %s has no filename signature",
+                            fwupd_remote_get_id (remote));
+               return FALSE;
+       }
+
        /* check cache age */
        filename_asc = gs_utils_get_cache_filename ("firmware",
                                                    fwupd_remote_get_filename_asc (remote),
@@ -876,6 +886,8 @@ gs_plugin_fwupd_refresh_remotes (GsPlugin *plugin,
                FwupdRemote *remote = g_ptr_array_index (remotes, i);
                if (!fwupd_remote_get_enabled (remote))
                        continue;
+               if (fwupd_remote_get_kind (remote) == FWUPD_REMOTE_KIND_LOCAL)
+                       continue;
                if (!gs_plugin_fwupd_refresh_remote (plugin, remote, cache_age,
                                                     cancellable, error))
                        return FALSE;