[Rpm-maint] discussion on problems of RPM in real life packaging

[Seth Vidal]

On Mon, 16 Jun 2008, Pixel wrote:

>> However I can imagine an one-time unsubscription counterpart (something,
>> which will evaluate list of all files going to be removed or overwritten
>> in the forthcoming transaction and then issue a command with a such
>> list. I think it could be possible to write it as well, but only deep
>> inside the rpm (when rpm evaluates possible conflicts in forthcoming
>> transaction).
>
> it should not be very hard to have pretrans filetriggers, but it would
> be dangerous if the transaction somehow fails.

%pretans plays all sorts of hell with chroot installs. We tend to 
discourage them as much as possible.

-sv