log: do not override other filtering and sorting options by --bookmark
This basically reimplements
0aa118f18d4b 'log: add bookmark option to
"hg log"'. Before, any other filtering options but --rev were ignored.
-G didn't work either since the ordering constraint wasn't enforced.
Set up
$ hg init repo
$ cd repo
Try to import an empty patch
$ hg import --no-commit - <<EOF
> EOF
applying patch from stdin
abort: stdin: no diffs found
[10]
No dirstate backups are left behind
$ ls .hg/dirstate* | sort
.hg/dirstate