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check return code of prepare_revision_walk

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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>
This commit is contained in:
Martin Koegler
2008-02-18 08:31:56 +01:00
committed by Junio C Hamano
parent 24e8a3c946
commit 3d51e1b5b8
11 changed files with 28 additions and 14 deletions
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3
builtin-fmt-merge-msg.c
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@ -187,7 +187,8 @@ static void shortlog(const char *name, unsigned char *sha1,
add_pending_object(rev, branch, name);
add_pending_object(rev, &head->object, "^HEAD");
head->object.flags |= UNINTERESTING;
prepare_revision_walk(rev);
if (prepare_revision_walk(rev))
die("revision walk setup failed");
while ((commit = get_revision(rev)) != NULL) {
char *oneline, *bol, *eol;