pull down remote branch git

git fetch origin
git checkout --track origin/<remote_branch_name>

git fetch origin

git checkout --track origin/<branch_name>

$ git checkout --track origin/newsletter
Branch newsletter set up to track remote branch newsletter from origin.
Switched to a new branch 'newsletter'

git fetch origin 

git checkout –track origin/xyz 

git fetch <remote> <rbranch>:<lbranch>
git checkout <lbranch>