Merge branch 'ps/commit-with-message-syntax-fix' into jch

The syntax ":/<text>" to name the latest commit with the matching
text was broken with a recent change, which has been corrected.

* ps/commit-with-message-syntax-fix:
  object-name: fix reversed ordering with ":/<text>" revisions

Author: gitster

object-name.c

@@ -1402,7 +1402,7 @@ static int get_oid_oneline(struct repository *r,
 			   const char *prefix, struct object_id *oid,
 			   const struct commit_list *list)
 {
-	struct commit_list *copy = NULL;
+	struct commit_list *copy = NULL, **copy_tail = ©
 	const struct commit_list *l;
 	int found = 0;
 	int negative = 0;
@@ -1424,7 +1424,7 @@ static int get_oid_oneline(struct repository *r,
 
 	for (l = list; l; l = l->next) {
 		l->item->object.flags |= ONELINE_SEEN;
-		commit_list_insert(l->item, &copy);
+		copy_tail = &commit_list_insert(l->item, copy_tail)->next;
 	}
 	while (copy) {
 		const char *p, *buf;

t/t1500-rev-parse.sh

@@ -309,4 +309,19 @@ test_expect_success '--short= truncates to the actual hash length' '
 	test_cmp expect actual
 '
 
+test_expect_success ':/ and HEAD^{/} favor more recent matching commits' '
+	test_when_finished "rm -rf repo" &&
+	git init repo &&
+	(
+		cd repo &&
+		test_commit common-old &&
+		test_commit --no-tag common-new &&
+		git rev-parse HEAD >expect &&
+		git rev-parse :/common >actual &&
+		test_cmp expect actual &&
+		git rev-parse HEAD^{/common} >actual &&
+		test_cmp expect actual
+	)
+'
+
 test_done