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log_tree_diff: get rid of code duplication for first_parent_only 

Handle first_parent_only by breaking from generic loop early
rather than by duplicating (part of) the loop body.

Signed-off-by: Sergey Organov <sorganov@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Sergey Organov 2020-08-28 14:05:25 +03:00 committed by Junio C Hamano
parent 3a238e539b
commit a7b9430940
1 changed files with 4 additions and 15 deletions
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19
log-tree.c
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@ -922,21 +922,10 @@ static int log_tree_diff(struct rev_info *opt, struct commit *commit, struct log
return 0;
else if (opt->combine_merges)
return do_diff_combined(opt, commit);
else if (opt->first_parent_only) {
/*
* Generate merge log entry only for the first
* parent, showing summary diff of the others
* we merged _in_.
*/
parse_commit_or_die(parents->item);
diff_tree_oid(get_commit_tree_oid(parents->item),
oid, "", &opt->diffopt);
log_tree_diff_flush(opt);
return !opt->loginfo;
else if (!opt->first_parent_only) {
/* If we show multiple diffs, show the parent info */
log->parent = parents->item;
}
/* If we show individual diffs, show the parent info */
log->parent = parents->item;
}
showed_log = 0;
@ -952,7 +941,7 @@ static int log_tree_diff(struct rev_info *opt, struct commit *commit, struct log
/* Set up the log info for the next parent, if any.. */
parents = parents->next;
if (!parents)
if (!parents || opt->first_parent_only)
break;
log->parent = parents->item;
opt->loginfo = log;