final RevFlagSet keepOnRestart = new RevFlagSet();
keepOnRestart.add(inCachedPack);
walker.setRetainBody(false);
walker.carry(include);
int haveEst = have.size();
if (have.isEmpty()) {
walker.sort(RevSort.COMMIT_TIME_DESC);
if (useCachedPacks && reuseSupport != null) {