fetch and checkout a remote git branch in just one command

Question

If

• I have local repo with a remote $REMOTE already set up
• and a new branch $BRANCH exists on the remote repo that I haven\'t

Answer 1

There is no builtin command, but you could define an alias in your ~/.gitconfig:

[alias]
  fetch-checkout = !sh -c 'git fetch $1 $2 && git checkout $2' -