1. $ git branch --track greet origin/greet
    2. Branch greet set up to track remote branch greet from origin.
    4. * master
    5.   remotes/origin/HEAD -> origin/master
    7. $ git hist --max-count=2
    8. * 2e4c559 2013-04-13 | Changed README in original repo (HEAD, origin/master, origin/HEAD, master) [Jim Weirich]