Re: preinst script: warning that downgrading isn't supported.
Goswin von Brederlow wrote:
> Frank Lin PIAT <firstname.lastname@example.org> writes:
>> I am working on a package that have a postinst script that process the
>> package's data on upgrade.
>> Is there any current (best) practice to warn the user that downgrading
>> isn't supported? (I mean, explicitly notifying when downgrade is not
>> supported, rather than silently assuming that the user knows that
>> downgrading isn't supported in Debian)?
> Couldn't you check in prerm that the new version is >= the first
> compatible version? So only people that do downgrade get the message
> that it won't work.
That's probably something that it would be sensible to do(if I
decide to display the warnings).