//cluster_OK by guido
VFSContainer versionsContainer = getWikiContainer(ores, VERSION_FOLDER_NAME);
VFSContainer wikiContentContainer = getWikiContainer(ores, WIKI_RESOURCE_FOLDER_NAME);
// rename existing content file to version x and copy it to the version
// container
VFSItem item = wikiContentContainer.resolve(page.getPageId() + "." + WIKI_FILE_SUFFIX);
if (item != null && incrementVersion) {
if (page.getVersion() > 0) {
versionsContainer.copyFrom(item);
VFSItem copiedItem = versionsContainer.resolve(page.getPageId() + "." + WIKI_FILE_SUFFIX);
String fileName = page.getPageId() + "." + WIKI_FILE_SUFFIX + "-" + page.getVersion();