[gtksourceview] snippetmanager: only parse snippets once

[Christian Hergert <chergert src gnome org>]

commit 630626a7b8588435c455047929dfa8ee4aedcb9a
Author: Christian Hergert <chergert redhat com>
Date:   Wed Aug 31 17:11:04 2022 -0700

    snippetmanager: only parse snippets once
    
    The whole point of ensure_snippets() is that you only parse it once until
    that value is cleared (which currently we do not do).

 gtksourceview/gtksourcesnippetmanager.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)
---
diff --git a/gtksourceview/gtksourcesnippetmanager.c b/gtksourceview/gtksourcesnippetmanager.c
index 1ac17353..0305023c 100644
--- a/gtksourceview/gtksourcesnippetmanager.c
+++ b/gtksourceview/gtksourcesnippetmanager.c
@@ -290,6 +290,11 @@ ensure_snippets (GtkSourceSnippetManager *self)
 
        g_assert (GTK_SOURCE_IS_SNIPPET_MANAGER (self));
 
+       if (self->bundle != NULL)
+       {
+               return;
+       }
+
        filenames = _gtk_source_utils_get_file_list (
                (gchar **)gtk_source_snippet_manager_get_search_path (self),
                SNIPPET_FILE_SUFFIX,
@@ -312,7 +317,6 @@ ensure_snippets (GtkSourceSnippetManager *self)
                g_clear_object (&parsed);
        }
 
-       g_clear_object (&self->bundle);
        self->bundle = g_steal_pointer (&bundle);
 
        g_slist_free_full (filenames, g_free);