test: checkout shouldn't say that HEAD has moved if it didn't

Signed-off-by: しらいしななこ <nanako3@lavabit.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/t/t7201-co.sh b/t/t7201-co.sh
index bdb808af1aefae97c297f7845a8cd3b595404e89..ebfd34df36068f8808406a98d371731fb85012c4 100755 (executable)
--- a/t/t7201-co.sh
+++ b/t/t7201-co.sh
@@ -534,4 +534,12 @@ test_expect_success 'failing checkout -b should not break working tree' '
 
 '
 
+test_expect_success 'switch out of non-branch' '
+       git reset --hard master &&
+       git checkout master^0 &&
+       echo modified >one &&
+       test_must_fail git checkout renamer 2>error.log &&
+       ! grep "^Previous HEAD" error.log
+'
+
 test_done