code: public static String retrieveCloneName(String bcName, Date now) {
  
          String bcNameToAppend = "";
  
          int index = bcName.indexOf("_");
  
          if (index == -1) {
              // No '_' was found, need to append date prefix to whole bcName
              bcNameToAppend = bcName;
  
          } else {
              // A '_' char was found, need to analyze if the prefix is a date (to
              // be replaced with new one)
              String prefix = bcName.substring(0, index);
  
              if (prefix.length() == CLONE_PREFIX_DATE_FORMAT.length()) {
                  try {
                      new SimpleDateFormat(CLONE_PREFIX_DATE_FORMAT).parse(prefix);
                      // The prefix was a date, need to append new date to a substring
                      // of original bcName
                      bcNameToAppend = bcName.substring(index + 1);
                  } catch (ParseException ex) {
                      // The prefix was not a date, need to append date prefix to
                      // whole bcName
                      bcNameToAppend = bcName;
                  }
              } else {
                  bcNameToAppend = bcName;
              }
          }
  
          StringBuilder sb = new StringBuilder();
          sb.append(new SimpleDateFormat(CLONE_PREFIX_DATE_FORMAT).format(now)).append("_").append(bcNameToAppend);
          return sb.toString();
  
      }
docs: Change the BC clone name into date_original-BC-name where date will be for every clone updated and for original BC names
  will be added.
  
  Example: clone1 of pslegr-BC on Wednesday October,21st, 2015: 20151021095415_pslegr-BC
  
  clone2 of 20151021095415_pslegr-BC on Thursday October,22nd, 2015: 20151022nnnnnn_pslegr-BC
  
  clone3 of pslegr-BC on Friday October,23rd, 2015: 20151023nnnnnn_pslegr-BC
  
  @param bcName
  @param now
  @return A correct name for the cloned BuildConfiguration