title: Git pull multiple local repositories with script (ruby?)
body: <p>I have ~30 git repositories cloned from github that I use for web/ruby/javascript development. Is it possible to bulk update all of them with a script?</p>
  
  <p>I have everything pretty organized (folder structure):</p>
  
  <pre><code>- Workspace
    - Android
    - Chrome
    - GitClones
      - Bootstrap
      ~ etc...30 some repositories
    - iPhone
    - osx
    - WebDev
  </code></pre>
  
  <p>I have a ruby script to clone repositories with <code>octokit</code>, but are there any suggestions on how to do git pull (overwriting/rebasing local) in all the repositories under <code>GitClones</code>?</p>
  
  <p>Normally I would just do a pull whenever I was about to use that repo, but I am going to a place where internet connectivity is only going to be available sometimes. So I would like to update everything I can while I have internet.</p>
  
  <p>Thanks! (Running osx 10.8.2)</p>