undef/git-commit-vandalism
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use parse_commit_or_die instead of segfaulting

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Some unchecked calls to parse_commit should obviously die on
error, because their next step is to start looking at the
parsed fields, which will cause a segfault. These are
obvious candidates for parse_commit_or_die, which will be a
strict improvement in behavior.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Jeff King 2013-10-24 04:53:46 -04:00 committed by Junio C Hamano
parent 5e7d4d3e93
commit 683ff884cc
2 changed files with 4 additions and 4 deletions
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4
builtin/checkout.c
View File

@ -796,7 +796,7 @@ static int switch_branches(const struct checkout_opts *opts,
new->commit = old.commit;
if (!new->commit)
die(_("You are on a branch yet to be born"));
parse_commit(new->commit);
parse_commit_or_die(new->commit);
}
ret = merge_working_tree(opts, &old, new, &writeout_error);
@ -959,7 +959,7 @@ static int parse_branchname_arg(int argc, const char **argv,
/* not a commit */
*source_tree = parse_tree_indirect(rev);
} else {
parse_commit(new->commit);
parse_commit_or_die(new->commit);
*source_tree = new->commit->tree;
}

4
builtin/fast-export.c
View File

@ -286,7 +286,7 @@ static void handle_commit(struct commit *commit, struct rev_info *rev)
rev->diffopt.output_format = DIFF_FORMAT_CALLBACK;
parse_commit(commit);
parse_commit_or_die(commit);
author = strstr(commit->buffer, "\nauthor ");
if (!author)
die ("Could not find author in commit %s",
@ -307,7 +307,7 @@ static void handle_commit(struct commit *commit, struct rev_info *rev)
if (commit->parents &&
get_object_mark(&commit->parents->item->object) != 0 &&
!full_tree) {
parse_commit(commit->parents->item);
parse_commit_or_die(commit->parents->item);
diff_tree_sha1(commit->parents->item->tree->object.sha1,
commit->tree->object.sha1, "", &rev->diffopt);
}