code: public String getRefName() {
          // We need to take into consideration whether
          // the event contains the long or short name for Ref
          // Gerrit 2.12 will no longer have short branch names in the
          // RefUpdated event.
          if (refName.startsWith(REFS_HEADS)) {
              return refName.substring(REFS_HEADS.length());
          }
          return refName;
      }
docs: Ref name within project.
  @return the ref.