--all::
Instead of listing <refs> explicitly, prune all refs.
+--updateref::
+ Update the ref with the sha1 of the top reflog entry (i.e.
+ <ref>@\{0\}) after expiring or deleting.
+
+--rewrite::
+ While expiring or deleting, adjust each reflog entry to ensure
+ that the `old` sha1 field points to the `new` sha1 field of the
+ previous entry.
+
--verbose::
Print extra information on screen.