old_contents: from shortcuts import run, make_shortcut, newer
  
  commands = ["ls", "mkdir", "nosetests", "python",
              "pip", "pub", "rm", "rsync", "touch", "zip"]
  
  for cmd in commands:
      globals()[cmd] = make_shortcut(cmd)
  
  from os import chdir
  cd = chdir
  
new_contents: from shortcuts import run, make_shortcut, newer
  
  commands = ["git", "ls", "mkdir", "nosetests", "python",
              "pip", "pub", "rm", "rsync", "touch", "zip"]
  
  for cmd in commands:
      globals()[cmd] = make_shortcut(cmd)
  
  from os import chdir
  cd = chdir
  
subject: add a git shortcut