[verse]
'git reflog expire' [--dry-run] [--stale-fix] [--verbose]
[--expire=<time>] [--expire-unreachable=<time>] [--all] <refs>...
-+
'git reflog delete' ref@\{specifier\}...
-+
'git reflog' ['show'] [log-options] [<ref>]
Reflog is a mechanism to record when the tip of branches are
refs.
+
This computation involves traversing all the reachable objects, i.e. it
-has the same cost as 'git-prune'. Fortunately, once this is run, we
+has the same cost as 'git prune'. Fortunately, once this is run, we
should not have to ever worry about missing objects, because the current
prune and pack-objects know about reflogs and protect objects referred by
them.