title: pod install --no-repo-update not work
body: <p>I have some repos install using Pod. I edited them manually, so I don't want to update them when install new repo in future. I use "pod install --no-repo-update" but the output:</p>
  
  <pre><code>Re-creating CocoaPods due to major version update.
  Analyzing dependencies
  Downloading dependencies ..
  </code></pre>
  
  <p>And Pod downloads all repo again</p>