will show the revisions given by "git rev-list {caret}master
topic1 topic2"
+-g::
--reflog[=<n>[,<base>]] [<ref>]::
Shows <n> most recent ref-log entries for the given
ref. If <base> is given, <n> entries going back from
that entry. <base> can be specified as count or date.
- `-g` can be used as a short-hand for this option. When
- no explicit <ref> parameter is given, it defaults to the
+ When no explicit <ref> parameter is given, it defaults to the
current branch (or `HEAD` if it is detached).
Note that --more, --list, --independent and --merge-base options