I can't remember whether it's git update submodule --init git init --submodules --update git init --recursive --submodule --update etc. Git check

I can't remember whether it's git update submodule --init git init --submodules --update git init --recursive --submodule --update etc. Git checkout should do that automatically. Checkout a repo, all the submodules automatically checkout. There is no good reason not to.