From 78e98eaf5ee49bc6d62ef9bdf87066528bfba248 Mon Sep 17 00:00:00 2001
From: =?utf8?q?Ren=C3=A9=20Scharfe?= <rene.scharfe@lsrfire.ath.cx>
Date: Sat, 17 Dec 2011 11:27:19 +0100
Subject: [PATCH] submodule: use diff_tree_combined_merge() instead of
 diff_tree_combined()
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Use diff_tree_combined_merge() instead of open-coding it.

Signed-off-by: René Scharfe <rene.scharfe@lsrfire.ath.cx>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
---
 submodule.c | 14 +++-----------
 1 file changed, 3 insertions(+), 11 deletions(-)

diff --git a/submodule.c b/submodule.c
index 788d5327ac..9a28060679 100644
--- a/submodule.c
+++ b/submodule.c
@@ -371,23 +371,15 @@ static void collect_submodules_from_diff(struct diff_queue_struct *q,
 }
 
 
-static void commit_need_pushing(struct commit *commit, struct commit_list *parent, int *needs_pushing)
+static void commit_need_pushing(struct commit *commit, int *needs_pushing)
 {
-	struct sha1_array parents = SHA1_ARRAY_INIT;
 	struct rev_info rev;
 
-	while (parent) {
-		sha1_array_append(&parents, parent->item->object.sha1);
-		parent = parent->next;
-	}
-
 	init_revisions(&rev, NULL);
 	rev.diffopt.output_format |= DIFF_FORMAT_CALLBACK;
 	rev.diffopt.format_callback = collect_submodules_from_diff;
 	rev.diffopt.format_callback_data = needs_pushing;
-	diff_tree_combined(commit->object.sha1, &parents, 1, &rev);
-
-	sha1_array_clear(&parents);
+	diff_tree_combined_merge(commit, 1, &rev);
 }
 
 int check_submodule_needs_pushing(unsigned char new_sha1[20], const char *remotes_name)
@@ -410,7 +402,7 @@ int check_submodule_needs_pushing(unsigned char new_sha1[20], const char *remote
 		die("revision walk setup failed");
 
 	while ((commit = get_revision(&rev)) && !needs_pushing)
-		commit_need_pushing(commit, commit->parents, &needs_pushing);
+		commit_need_pushing(commit, &needs_pushing);
 
 	free(sha1_copy);
 	strbuf_release(&remotes_arg);
-- 
2.40.0