added a copy callback, separate from the create callback.

This is based on a discussion in http://www.nabble.com/How-do-I-make-a-BuildWrapper-be-on-by-default--td25285336.html

git-svn-id: https://hudson.dev.java.net/svn/hudson/trunk/hudson/main@21785 71c3de6d-444a-0410-be80-ed276b4c234a

core/src/main/java/hudson/model/Hudson.java

@@ -2490,7 +2490,7 @@ public final class Hudson extends Node implements ItemGroup<TopLevelItem>, Stapl
         items.put(name,result);
 
         for (ItemListener l : ItemListener.all())
-            l.onCreated(result);
+            l.onCopied(src,result);
 
         return result;
     }

core/src/main/java/hudson/model/listeners/ItemListener.java

@@ -42,6 +42,25 @@ public class ItemListener implements ExtensionPoint {
     public void onCreated(Item item) {
     }
 
+    /**
+     * Called after a new job is created by copying from an existing job.
+     *
+     * For backward compatibility, the default implementation of this method calls {@link #onCreated(Item)}.
+     * If you choose to handle this method, think about whether you want to call super.onCopied or not.
+     *
+     *
+     * @param src
+     *      The source item that the new one was copied from. Never null.
+     * @param  item
+     *      The newly created item. Never null.
+     *
+     * @since 1.325
+     *      Before this version, a copy triggered {@link #onCreated(Item)}.
+     */
+    public void onCopied(Item src, Item item) {
+        onCreated(item);
+    }
+
     /**
      * Called after all the jobs are loaded from disk into {@link Hudson}
      * object.