No, you don't need to install Yum, it's just defined in default suites. You'll also need to disable fix_rpmdb.py postinstall script, which is necessary to make

No, you don't need to install Yum, it's just defined in default suites. You'll also need to disable fix_rpmdb.py postinstall script, which is necessary to make Yum runnable from inside chroot. On the other hand, almost anything you would want to install will pull glibc, which is big package. But I suppose you could prepare trimmed down alternative and put it in additional repository. Seems doable.