Comment # 9 on bug 1189590 from Ladislav Slez���k

(In reply to Michael Andres from comment #5)

> That's probably where the issue begins. YAST again creates a
> zypp::RepoManager for the system. The startup code finds no repos in
> /etc/zypp/repos.d but now apparently orphaned data in the cache which are
> cleaned. This is where the cache vanishes for YASTs openSUSE-1-0 repo.

Would saving the repository to a /etc/zypp/repos.d/*.repo file fix the problem?