[gnome-software] trivial: Do not re-fetch the flatpak updates download size if already set

[Richard Hughes <rhughes src gnome org>]

commit acbce098c8fab081b982c8692a6bddae95ea03eb
Author: Richard Hughes <richard hughsie com>
Date:   Thu Nov 3 20:28:27 2016 +0000

    trivial: Do not re-fetch the flatpak updates download size if already set

 src/plugins/gs-flatpak.c |   26 ++++++++++++++------------
 1 files changed, 14 insertions(+), 12 deletions(-)
---
diff --git a/src/plugins/gs-flatpak.c b/src/plugins/gs-flatpak.c
index 32b8ae3..3f871a4 100644
--- a/src/plugins/gs-flatpak.c
+++ b/src/plugins/gs-flatpak.c
@@ -1017,18 +1017,20 @@ gs_flatpak_add_updates_pending (GsFlatpak *self, GsAppList *list,
                gs_app_set_state (app, AS_APP_STATE_UPDATABLE_LIVE);
 
                /* get the current download size */
-               if (!flatpak_installation_fetch_remote_size_sync (self->installation,
-                                                                 gs_app_get_origin (app),
-                                                                 FLATPAK_REF (xref),
-                                                                 &download_size,
-                                                                 NULL,
-                                                                 cancellable,
-                                                                 &error_local)) {
-                       g_warning ("failed to get download size: %s",
-                                  error_local->message);
-                       gs_app_set_size_download (app, GS_APP_SIZE_UNKNOWABLE);
-               } else {
-                       gs_app_set_size_download (app, download_size);
+               if (gs_app_get_size_download (app) == 0) {
+                       if (!flatpak_installation_fetch_remote_size_sync (self->installation,
+                                                                         gs_app_get_origin (app),
+                                                                         FLATPAK_REF (xref),
+                                                                         &download_size,
+                                                                         NULL,
+                                                                         cancellable,
+                                                                         &error_local)) {
+                               g_warning ("failed to get download size: %s",
+                                          error_local->message);
+                               gs_app_set_size_download (app, GS_APP_SIZE_UNKNOWABLE);
+                       } else {
+                               gs_app_set_size_download (app, download_size);
+                       }
                }
 
                gs_app_list_add (list, app);