Fetch submodules recursively

git clone --recurse-submodules# When cloning repo ...
git clone --recurse-submodules -j8 https://git.example.com/repo.git

# ... or for existing already cloned repo
git submodule update --init --recursivegit checkout --recurse-submodule#! Fetch and update submodules into an existing project
git submodule update --init --recursive