final Set<SubmoduleSubscription> oldSubscriptions =
new HashSet<SubmoduleSubscription>(schema.submoduleSubscriptions()
.bySuperProject(destBranch).toList());
final List<SubmoduleSubscription> newSubscriptions =
new SubmoduleSectionParser(bbc, thisServer, target, repoManager)
.parseAllSections();
final Set<SubmoduleSubscription> alreadySubscribeds =
new HashSet<SubmoduleSubscription>();
for (SubmoduleSubscription s : newSubscriptions) {