test_when_finished "git am --abort || :" &&
git checkout empty-commit^ &&
test_must_fail git am --empty empty-commit.patch 2>err &&
- echo "error: Invalid value for --empty: empty-commit.patch" >expected &&
+ echo "error: invalid value for '\''--empty'\'': '\''empty-commit.patch'\''" >expected &&
test_cmp expected err
'