} catch (NumberFormatException nfe) {
throw new RevisionSyntaxException(MessageFormat.format(
JGitText.get().invalidReflogRevision, time));
}
assert number >= 0;
ReflogReader reader = new ReflogReader(this, ref.getName());
ReflogEntry entry = reader.getReverseEntry(number);
if (entry == null)
throw new RevisionSyntaxException(MessageFormat.format(
JGitText.get().reflogEntryNotFound,
Integer.valueOf(number), ref.getName()));