Climbing with Branches

 
 (1) $ git branch crazyidea
     $ git checkout crazyidea
 (2) $ git branch
       *  crazyidea
          master
     edit/compile/update-index/commit
 (3) $ git checkout master
 (4) $ git pull . crazyidea
 
 (1) create and checkout crazyidea
 (2) list all branches
 (3) checkout the master branch again
 (4) pull changes into master and commit