Hi, and thanks for taking a look.
So, here I have a system in which I installed the Gentoo overlay via Layman. Now every time emerge is invoked, it prints a warning
!!! Repository name or alias 'gentoo', defined for repository 'core-kit', overrides existing alias or repository.
This alone is a minor inconvenience, but there is something else. Usually, I install overlays for one or few very specific packages or versions. So, after installing an overlay, I would mask all the packages in it (echo '*/*::gentoo' >> /etc/portage/package.mask), and then unmask what I need in /etc/po