notmuch new >/dev/null || die "'notmuch new' failed while adding email corpus"
mkdir -p $TEST_DIRECTORY/corpora.mail
cp -a ${MAIL_DIR} $TEST_DIRECTORY/corpora.mail/$corpus
notmuch new >/dev/null || die "'notmuch new' failed while adding email corpus"
mkdir -p $TEST_DIRECTORY/corpora.mail
cp -a ${MAIL_DIR} $TEST_DIRECTORY/corpora.mail/$corpus