[gnome-software] Only reload the AppStream cache after the initial load has completed

[Richard Hughes <rhughes src gnome org>]

commit 876851756b29d43adc6ef3a0baabcbd4006e94f5
Author: Richard Hughes <richard hughsie com>
Date:   Mon Sep 28 13:16:16 2015 +0100

    Only reload the AppStream cache after the initial load has completed
    
    We were actually loading the AppStream database twice at startup, which was causing the UI to flicker.

 src/plugins/gs-plugin-appstream.c |    8 +++++---
 1 files changed, 5 insertions(+), 3 deletions(-)
---
diff --git a/src/plugins/gs-plugin-appstream.c b/src/plugins/gs-plugin-appstream.c
index 7de4cc7..53c22ce 100644
--- a/src/plugins/gs-plugin-appstream.c
+++ b/src/plugins/gs-plugin-appstream.c
@@ -93,9 +93,6 @@ gs_plugin_initialize (GsPlugin *plugin)
        as_store_set_watch_flags (plugin->priv->store,
                                  AS_STORE_WATCH_FLAG_ADDED |
                                  AS_STORE_WATCH_FLAG_REMOVED);
-       g_signal_connect (plugin->priv->store, "changed",
-                         G_CALLBACK (gs_plugin_appstream_store_changed_cb),
-                         plugin);
 
        /* AppInstall does not ever give us a long description */
        if (gs_plugin_check_distro_id (plugin, "debian") ||
@@ -228,6 +225,11 @@ gs_plugin_startup (GsPlugin *plugin, GError **error)
                goto out;
        }
 
+       /* watch for changes */
+       g_signal_connect (plugin->priv->store, "changed",
+                         G_CALLBACK (gs_plugin_appstream_store_changed_cb),
+                         plugin);
+
        /* add search terms for apps not in the main source */
        origins = gs_plugin_appstream_get_origins_hash (items);
        for (i = 0; i < items->len; i++) {