check return code of prepare_revision_walk
authorMartin Koegler <mkoegler@auto.tuwien.ac.at>
Mon, 18 Feb 2008 07:31:56 +0000 (08:31 +0100)
committerJunio C Hamano <gitster@pobox.com>
Mon, 18 Feb 2008 07:51:12 +0000 (23:51 -0800)
A failure in prepare_revision_walk can be caused by
a not parseable object.

Signed-off-by: Martin Koegler <mkoegler@auto.tuwien.ac.at>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
No differences found