> also a package repository called `homebrew-core` to which the software connects by default I think that's only true if one does an `export HOMEBREW_NO_INSTAL

> also a package repository called `homebrew-core` to which the software connects by default I think that's only true if one does an `export HOMEBREW_NO_INSTALL_FROM_API=1` otherwise they default to their new JSON API: https://docs.brew.sh/Installation#default-tap-cloning https://docs.brew.sh/Installation#default-tap-cloning and is the only way if one needs to alter any core Formulae: https://docs.brew.sh/FAQ#can-i-edit-formulae-myself https://docs.brew.sh/FAQ#can-i-edit-formulae-myself (which, for clarity, Brew explicitly disavows)