title: Android source code git download error
body: <p>I am getting the following error when trying to download the gingerbread source code using git:</p>
  
  <pre><code>$ repo init -u https://android.googlesource.com/platform/manifest 
  project .repo/manifests/
  
  fatal: Needed a single revision
  invalid upstream 7ed9d5cc82ab675d37e67dd558e010c6d96c44c5^1
  
  fatal: manifest 'default.xml' not available
  fatal: manifest default.xml not found
  </code></pre>