test_must_fail env EDITOR=./hare-editor git commit --allow-empty -m tortoise -e &&
git show -s --pretty=format:%s >subject &&
grep hare subject &&
- test -z "$(git show -s --pretty=format:%P)"
+ git show -s --pretty=format:%P >out &&
+ test_must_be_empty out
'
test_expect_success 'race to create non-orphan commit' '