Comment # 9 on bug 1154973 from Fabian Vogt

(In reply to Jonathan Kang from comment #8)
> Emm. One of the problems in the zypp backend is many methods like
> install-packages, install-files and remove-packages calls
> solver.resolvePool. So
> as long as upgradeMode is set to TRUE and not reset in time, calling those
> methods leads to a full system upgrade in Tumbleweed.

I understand that. Why not set the upgrade mode correctly before each
transaction? Having a timer is a really ugly hack with disastrous consequences,
which this report clearly shows.