--to=nobody@example.com \
--in-reply-to="<in-reply-id@example.com>" \
--no-thread \
- $patches |
- grep "In-Reply-To: <in-reply-id@example.com>"
+ $patches >out &&
+ grep "In-Reply-To: <in-reply-id@example.com>" out
'
test_expect_success $PREREQ 'no in-reply-to and no threading' '