test_must_fail git rev-parse --verify -q $c
'
+test_expect_success 'stdin verify succeeds for correct value' '
+ git rev-parse $m >expect &&
+ echo "verify $m $m" >stdin &&
+ git update-ref --stdin <stdin &&
+ git rev-parse $m >actual &&
+ test_cmp expect actual
+'
+
+test_expect_success 'stdin verify succeeds for missing reference' '
+ echo "verify refs/heads/missing $Z" >stdin &&
+ git update-ref --stdin <stdin &&
+ test_must_fail git rev-parse --verify -q refs/heads/missing
+'
+
+test_expect_success 'stdin verify treats no value as missing' '
+ echo "verify refs/heads/missing" >stdin &&
+ git update-ref --stdin <stdin &&
+ test_must_fail git rev-parse --verify -q refs/heads/missing
+'
+
+test_expect_success 'stdin verify fails for wrong value' '
+ git rev-parse $m >expect &&
+ echo "verify $m $m~1" >stdin &&
+ test_must_fail git update-ref --stdin <stdin &&
+ git rev-parse $m >actual &&
+ test_cmp expect actual
+'
+
+test_expect_success 'stdin verify fails for mistaken null value' '
+ git rev-parse $m >expect &&
+ echo "verify $m $Z" >stdin &&
+ test_must_fail git update-ref --stdin <stdin &&
+ git rev-parse $m >actual &&
+ test_cmp expect actual
+'
+
+test_expect_success 'stdin verify fails for mistaken empty value' '
+ M=$(git rev-parse $m) &&
+ test_when_finished "git update-ref $m $M" &&
+ git rev-parse $m >expect &&
+ echo "verify $m" >stdin &&
+ test_must_fail git update-ref --stdin <stdin &&
+ git rev-parse $m >actual &&
+ test_cmp expect actual
+'
+
test_expect_success 'stdin update refs works with identity updates' '
cat >stdin <<-EOF &&
update $a $m $m
test_must_fail git rev-parse --verify -q $c
'
+test_expect_success 'stdin -z verify succeeds for correct value' '
+ git rev-parse $m >expect &&
+ printf $F "verify $m" "$m" >stdin &&
+ git update-ref -z --stdin <stdin &&
+ git rev-parse $m >actual &&
+ test_cmp expect actual
+'
+
+test_expect_success 'stdin -z verify succeeds for missing reference' '
+ printf $F "verify refs/heads/missing" "$Z" >stdin &&
+ git update-ref -z --stdin <stdin &&
+ test_must_fail git rev-parse --verify -q refs/heads/missing
+'
+
+test_expect_success 'stdin -z verify treats no value as missing' '
+ printf $F "verify refs/heads/missing" "" >stdin &&
+ git update-ref -z --stdin <stdin &&
+ test_must_fail git rev-parse --verify -q refs/heads/missing
+'
+
+test_expect_success 'stdin -z verify fails for wrong value' '
+ git rev-parse $m >expect &&
+ printf $F "verify $m" "$m~1" >stdin &&
+ test_must_fail git update-ref -z --stdin <stdin &&
+ git rev-parse $m >actual &&
+ test_cmp expect actual
+'
+
+test_expect_success 'stdin -z verify fails for mistaken null value' '
+ git rev-parse $m >expect &&
+ printf $F "verify $m" "$Z" >stdin &&
+ test_must_fail git update-ref -z --stdin <stdin &&
+ git rev-parse $m >actual &&
+ test_cmp expect actual
+'
+
+test_expect_success 'stdin -z verify fails for mistaken empty value' '
+ M=$(git rev-parse $m) &&
+ test_when_finished "git update-ref $m $M" &&
+ git rev-parse $m >expect &&
+ printf $F "verify $m" "" >stdin &&
+ test_must_fail git update-ref -z --stdin <stdin &&
+ git rev-parse $m >actual &&
+ test_cmp expect actual
+'
+
test_expect_success 'stdin -z update refs works with identity updates' '
printf $F "update $a" "$m" "$m" "update $b" "$m" "$m" "update $c" "$Z" "" >stdin &&
git update-ref -z --stdin <stdin &&