Fix incorrect error message in update --appstream

When the specified remote existed, but had no updates we printed
a message like:  error: Remote "flathub" not found

Closes: #1363
Approved by: alexlarsson

(cherry picked from commit 3c9d3a316ea298c25e8756ab4f256b08879aff36)

1 files changed, 5 insertions, 2 deletions

diff --git a/app/flatpak-builtins-update.c b/app/flatpak-builtins-update.c
index 68f0e7f7..ca192e65 100644
--- a/app/flatpak-builtins-update.c
+++ b/app/flatpak-builtins-update.c
@@ -123,13 +123,16 @@ update_appstream (GPtrArray *dirs, const char *remote, GCancellable *cancellable
         {
           FlatpakDir *dir = g_ptr_array_index (dirs, j);
 
-          if (flatpak_dir_has_remote (dir, remote) &&
-              flatpak_dir_check_for_appstream_update (dir, remote, opt_arch))
+          if (flatpak_dir_has_remote (dir, remote))
             {
               g_autoptr(OstreeAsyncProgress) progress = NULL;
 
               found = TRUE;
 
+              /* Early bail out check */
+              if (!flatpak_dir_check_for_appstream_update (dir, remote, opt_arch))
+                continue;
+
               progress = ostree_async_progress_new_and_connect (no_progress_cb, NULL);
               res = flatpak_dir_update_appstream (dir, remote, opt_arch, &changed,
                                                   progress, cancellable, error);