fix for #1539.. svn:externals can have externals in them... the path needs to...

fix for #1539.. svn:externals can have externals in them... the path needs to be appended for revisions to be properly recorded

git-svn-id: https://hudson.dev.java.net/svn/hudson/trunk/hudson/main@9411 71c3de6d-444a-0410-be80-ed276b4c234a

core/src/main/java/hudson/scm/SubversionUpdateEventHandler.java

@@ -111,7 +111,10 @@ final class SubversionUpdateEventHandler implements ISVNEventHandler {
             } else {
                 out.println(Messages.SubversionUpdateEventHandler_FetchExternal(
                         ext.getNewURL(), ext.getNewRevision(), event.getFile()));
-                externals.add(new SubversionSCM.External(modulePath,ext));
+                //#1539 - an external inside an external needs to have the path appended 
+                externals.add(new SubversionSCM.External(modulePath + "/" + event.getPath().substring(0
+                		,event.getPath().length() - ext.getPath().length())
+                		,ext));
             }
             return;
         } else if (action == SVNEventAction.UPDATE_COMPLETED) {