[gnome-shell] search: Don't throw if provider directories don't exist

[Colin Walters <walters src gnome org>]

commit a3236997bee6eb8b487c9e1d72379751da6ba0ae
Author: Colin Walters <walters verbum org>
Date:   Sat Jul 27 10:55:57 2013 -0400

    search: Don't throw if provider directories don't exist
    
    There's no /usr/local/share/gnome-shell/search-providers, so don't
    throw if we don't find it.

 js/ui/remoteSearch.js |   15 +++++++++++----
 1 files changed, 11 insertions(+), 4 deletions(-)
---
diff --git a/js/ui/remoteSearch.js b/js/ui/remoteSearch.js
index f998a2f..b1f485e 100644
--- a/js/ui/remoteSearch.js
+++ b/js/ui/remoteSearch.js
@@ -116,11 +116,18 @@ function loadRemoteSearchProviders(addProviderCallback) {
     dataDirs.forEach(function(dataDir) {
         let path = GLib.build_filenamev([dataDir, 'gnome-shell', 'search-providers']);
         let dir = Gio.File.new_for_path(path);
-        let fileEnum = dir.enumerate_children('standard::name,standard::type',
+        let fileEnum;
+        try {
+            fileEnum = dir.enumerate_children('standard::name,standard::type',
                                               Gio.FileQueryInfoFlags.NONE, null);
-        let info;
-        while ((info = fileEnum.next_file(null)))
-            loadRemoteSearchProvider(fileEnum.get_child(info));
+        } catch (e) {
+            fileEnum = null;
+        }
+        if (fileEnum != null) {
+            let info;
+            while ((info = fileEnum.next_file(null)))
+                loadRemoteSearchProvider(fileEnum.get_child(info));
+        }
     });
 
     let searchSettings = new Gio.Settings({ schema: Search.SEARCH_PROVIDERS_SCHEMA });