It is in suggests. This means that the default behaviour - the happy path - for users is poor. Ubuntu's kernels support aufs, and aufs is the default graph driver.
At a minimum I'd suggest recommends.
But aufs-tools is a) tiny - Installed-Size: 228 and b) has no further deps (other than libc) - so while you're abstractly correct its a correctness that isn't IMO helpful.
It is in suggests. This means that the default behaviour - the happy path - for users is poor. Ubuntu's kernels support aufs, and aufs is the default graph driver.
At a minimum I'd suggest recommends.
But aufs-tools is a) tiny - Installed-Size: 228 and b) has no further deps (other than libc) - so while you're abstractly correct its a correctness that isn't IMO helpful.