* @return all versions in the series
     */
    @VisibleForTesting
    static Set<QualifiedVersion> getVersions(GitWrapper gitWrapper, String currentVersion) {
        QualifiedVersion v = QualifiedVersion.of(currentVersion);
        Set<QualifiedVersion> versions = gitWrapper.listVersions("v" + v.getMajor() + '.' + v.getMinor() + ".*").collect(toSet());
        versions.add(v);