Gists/explanation.txt

git remote add rubenwardy https://github.com/rubenwardy/minetest  # this adds the remote
git fetch rubenwardy formspecprepend  # this fetches that branch only; without args it fetches all
git checkout -b rw-formspecprepend rubenwardy/formspecprepend  # checks it out and creates a tracking branch

# if new commits are added:
git fetch rubenwardy formspecprepend
git checkout rw-formspecprepend
git merge --ff-only rubenwardy/formspecprepend