[retro-gtk] retro-gobject: Check directory exists

[Adrien Plazas <aplazas src gnome org>]

commit acfacac90bf6e5c2e548d71266f79e944b04c300
Author: Adrien Plazas <kekun plazas laposte net>
Date:   Sun Sep 18 17:46:12 2016 +0200

    retro-gobject: Check directory exists
    
    Check whether a directory exists before listing its content.
    
    This avoids a module lookup query to fail when it should continue.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=771624

 retro-gobject/retro-module-query.vala |    6 ++++++
 1 files changed, 6 insertions(+), 0 deletions(-)
---
diff --git a/retro-gobject/retro-module-query.vala b/retro-gobject/retro-module-query.vala
index 4d1635e..0e14220 100644
--- a/retro-gobject/retro-module-query.vala
+++ b/retro-gobject/retro-module-query.vala
@@ -21,6 +21,12 @@ namespace Retro.ModuleQuery {
        public string? lookup_module_for_info (ModuleInfoQueryCallback callback) throws Error {
                foreach (var path in get_plugin_lookup_paths ()) {
                        var directory = File.new_for_path (path);
+                       if (!directory.query_exists ())
+                               continue;
+
+                       if (directory.query_file_type (FileQueryInfoFlags.NOFOLLOW_SYMLINKS) != 
FileType.DIRECTORY)
+                               continue;
+
                        var enumerator = directory.enumerate_children ("", 
FileQueryInfoFlags.NOFOLLOW_SYMLINKS);
                        for (var info = enumerator.next_file () ; info != null ; info = enumerator.next_file 
()) {
                                var module_info_basename = info.get_name ();