and <until>, see "SPECIFYING REVISIONS" section in
gitlink:git-rev-parse[1].
+--first-parent::
+ Follow only the first parent commit upon seeing a merge
+ commit. This option gives a better overview of the
+ evolution of a particular branch.
+
-p::
Show the change the commit introduces in a patch form.
+-g, \--walk-reflogs::
+ Show commits as they were recorded in the reflog. The log contains
+ a record about how the tip of a reference was changed.
+ See also gitlink:git-reflog[1].
+
<paths>...::
Show only commits that affect the specified paths.