[gimp] Don't spoil the names of duplicated groups' children with "copy"s

[Michael Natterer <mitch src gnome org>]

commit d87337226285a8914e7c3d9491c7e0d3d417f4de
Author: Michael Natterer <mitch gimp org>
Date:   Tue Aug 25 16:05:39 2009 +0200

    Don't spoil the names of duplicated groups' children with "copy"s

 app/core/gimpgrouplayer.c |   20 ++++++++++++++++++--
 1 files changed, 18 insertions(+), 2 deletions(-)
---
diff --git a/app/core/gimpgrouplayer.c b/app/core/gimpgrouplayer.c
index 4442eae..b40d3d7 100644
--- a/app/core/gimpgrouplayer.c
+++ b/app/core/gimpgrouplayer.c
@@ -346,11 +346,27 @@ gimp_group_layer_duplicate (GimpItem *item,
            list;
            list = g_list_next (list), position++)
         {
-          GimpItem *child = list->data;
-          GimpItem *new_child;
+          GimpItem      *child = list->data;
+          GimpItem      *new_child;
+          GimpLayerMask *mask;
 
           new_child = gimp_item_duplicate (child, G_TYPE_FROM_INSTANCE (child));
 
+          gimp_object_set_name (GIMP_OBJECT (new_child),
+                                gimp_object_get_name (GIMP_OBJECT (child)));
+
+          mask = gimp_layer_get_mask (GIMP_LAYER (child));
+
+          if (mask)
+            {
+              GimpLayerMask *new_mask;
+
+              new_mask = gimp_layer_get_mask (GIMP_LAYER (new_child));
+
+              gimp_object_set_name (GIMP_OBJECT (new_mask),
+                                    gimp_object_get_name (GIMP_OBJECT (mask)));
+            }
+
           gimp_viewable_set_parent (GIMP_VIEWABLE (new_child),
                                     GIMP_VIEWABLE (new_group));