Teach "am" and "rebase" to mark the original position with ORIG_HEAD

diff --git a/t/t1400-update-ref.sh b/t/t1400-update-ref.sh
index b8b7ab410354b01584092802365f4b53cd991b4a..f387d46f1a17ac9f9d3319c4da7e30a6c6326c67 100755 (executable)
--- a/t/t1400-update-ref.sh
+++ b/t/t1400-update-ref.sh
@@ -42,6 +42,14 @@ test_expect_success "delete $m" '
 '
 rm -f .git/$m
 
+test_expect_success "delete $m without oldvalue verification" "
+       git update-ref $m $A &&
+       test $A = \$(cat .git/$m) &&
+       git update-ref -d $m &&
+       ! test -f .git/$m
+"
+rm -f .git/$m
+
 test_expect_success \
        "fail to create $n" \
        "touch .git/$n_dir