test_expect_success 'usage: --negotiate-only with --recurse-submodules' '
cat >err.expect <<-\EOF &&
- fatal: --negotiate-only and --recurse-submodules cannot be used together
+ fatal: options '\''--negotiate-only'\'' and '\''--recurse-submodules'\'' cannot be used together
EOF
test_must_fail git -c protocol.version=2 -C client fetch \