commits whose author matches any of the given patterns are
chosen (similarly for multiple `--committer=<pattern>`).
+--grep-reflog=<pattern>::
+
+ Limit the commits output to ones with reflog entries that
+ match the specified pattern (regular expression). With
+ more than one `--grep-reflog`, commits whose reflog message
+ matches any of the given patterns are chosen. It is an
+ error to use this option unless `--walk-reflogs` is in use.
+
--grep=<pattern>::
Limit the commits output to ones with log message that
more than one `--grep=<pattern>`, commits whose message
matches any of the given patterns are chosen (but see
`--all-match`).
++
+When `--show-notes` is in effect, the message from the notes as
+if it is part of the log message.
--all-match::
Limit the commits output to ones that match all given --grep,