[katello] Selective sync via pulp

Possibly need to post this on the pulp list too, but wondering if there's a
way to selectively sync external repos to Katello.

Reason: IT Security will give permission for certain packages to be
sourced outwith the standard supplier route (i.e. RHEL7 + some EPEL
packages), but will not accept the bulk download of the entire EPEL inside
the corporate firewall.

I know I can download selective packages and upload manually to Satellite,
but wondering if there's anything that would allow me to sync (effectively)
a content view of EPEL (for example). The number of packages we already
track and provide manual updates for is barely manageable. The Developers
are always wanting package X, Y & Z added to the internal repos. Just
trying to figure an efficient way to keep everyone happy.