git checkout one branch from remote repo code example
Example 1: git checkout branch on different remote
# First fetch all new_remote refs
git fetch new_remote
# Then
git checkout -b <branchname> --track new_remote/<branchname>
Example 2: git checkout branch
truelover@PEACE project % git checkout master
truelover@PEACE project % git checkout branch_name
#create branch
truelover@PEACE project % git checkout -b new_branch_name