Merge pull request #1681 from arthurschreiber/patch-1

Prefer younger merge bases over older ones.

src/commit_list.c

@@ -36,7 +36,7 @@ git_commit_list *git_commit_list_insert_by_date(git_commit_list_node *item, git_
 	git_commit_list *p;
 
 	while ((p = *pp) != NULL) {
-		if (git_commit_list_time_cmp(p->item, item) < 0)
+		if (git_commit_list_time_cmp(p->item, item) > 0)
 			break;
 
 		pp = &p->next;

tests-clar/revwalk/mergebase.c

@@ -123,6 +123,18 @@ void test_revwalk_mergebase__no_common_ancestor_returns_ENOTFOUND(void)
 	cl_assert_equal_sz(4, behind);
 }
 
+void test_revwalk_mergebase__prefer_youngest_merge_base(void)
+{
+	git_oid result, one, two, expected;
+
+	cl_git_pass(git_oid_fromstr(&one, "a4a7dce85cf63874e984719f4fdd239f5145052f "));
+	cl_git_pass(git_oid_fromstr(&two, "be3563ae3f795b2b4353bcce3a527ad0a4f7f644"));
+	cl_git_pass(git_oid_fromstr(&expected, "c47800c7266a2be04c571c04d5a6614691ea99bd"));
+
+	cl_git_pass(git_merge_base(&result, _repo, &one, &two));
+	cl_assert(git_oid_cmp(&result, &expected) == 0);
+}
+
 void test_revwalk_mergebase__no_off_by_one_missing(void)
 {
 	git_oid result, one, two;