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log: do not free parents when walking reflog

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When we're doing a reflog walk (instead of walking the
actual parent pointers), we may see commits multiple times.
For this reason, we hold on to the commit buffer for each
commit rather than freeing it after we've showed the commit.

We should do the same for the parent list. Right now this is
just a minor optimization. But once we refactor how reflog
walks are performed, keeping the parents will avoid
confusing us the second time we see the commit.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Jeff King 2017-07-07 05:07:34 -04:00 committed by Junio C Hamano
parent 822601e830
commit f35650dff6
1 changed files with 2 additions and 2 deletions
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4
builtin/log.c
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@ -377,9 +377,9 @@ static int cmd_log_walk(struct rev_info *rev)
* walking the reflogs.
*/
free_commit_buffer(commit);
free_commit_list(commit->parents);
commit->parents = NULL;
}
free_commit_list(commit->parents);
commit->parents = NULL;
if (saved_nrl < rev->diffopt.needed_rename_limit)
saved_nrl = rev->diffopt.needed_rename_limit;
if (rev->diffopt.degraded_cc_to_c)