Bug#807487: pbuilder update in sid breaks pbuilder on (old)stable

[Jakub Wilk]

* Mattia Rizzolo <mattia at debian.org>, 2015-12-09, 19:07:
>I *believe* aptitude was using /build/.aptitude/cache/ for this so the 
>wildcard was not picking it, instead now it started using 
>/build/aptitude/cache, so interferring with the wildcard.

This is bug #807545, which is now fixed...

>For now, I'll set XDG_CACHE_HOME=/root only while calling aptitude

...so it should be possible to drop this ugly work-around.

-- 
Jakub Wilk