Do not allow uninteresting commits with --walk-reflogs, since it is
not clear what should be shown in these cases:
$ git log --walk-reflogs master..next
$ git log --walk-reflogs ^master
Signed-off-by: Johannes Schindelin <Johannes.Schindelin@gmx.de>
When called with "--walk-reflogs", as long as there are reflogs
available, the walker will take this information into account, rather
than the parent information in the commit object.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <junkio@cox.net>