title: Google Cocoapods Not Installing
body: <p>Whenever I try to install any of Google's cocoapods I get one of two errors.</p>
  
  <p>Either:</p>
  
  <pre><code>$ pod install
  Analyzing dependencies
  [!] The version of CocoaPods used to generate the lockfile (0.38.0.beta.2) is higher than the version of the current executable (0.37.2). Incompatibility issues may arise.
  
  CocoaPods 0.38.0.beta.2 is available.
  To update use: `gem install cocoapods --pre`
  [!] This is a test version we'd love you to try.
  
  For more information see http://blog.cocoapods.org
  and the CHANGELOG for this version http://git.io/BaH8pQ.
  
  Downloading dependencies
  Installing Google (1.0.7)
  
  [!] Error installing Google
  
  ...
  
  inflating: /var/folders/&lt;myDirectory&gt;/Samples/signin/SignInExampleSwift/ViewController.swift  
  warning [/var/folders/&lt;myDirectory&gt;/file.zip]:  375 extra bytes at beginning or within zipfile
  
  (attempting to process anyway)
  </code></pre>
  
  <p>Or:</p>
  
  <pre><code>$ pod install
  [in /Users/&lt;user&gt;/Desktop/FakeProject]
  Analyzing dependencies
  
  CocoaPods 0.38.0.beta.2 is available.
  To update use: `gem install cocoapods --pre`
  [!] This is a test version we'd love you to try.
  
  For more information see http://blog.cocoapods.org
  and the CHANGELOG for this version http://git.io/BaH8pQ.
  
  Downloading dependencies
  Installing AppInvites (1.0.1)
  
  [!] Error installing AppInvites
  [!] /usr/bin/tar xfz /var/folders/&lt;myDirectory&gt;/file.tgz -C /var/folders/&lt;myDirectory&gt;
  
  tar: Unrecognized archive format
  
  tar: Error exit delayed from previous errors.
  </code></pre>
  
  <p>I've been trying this with both new and existing objective-c projects and have tried uninstalling and re-installing cocoapods. Not really sure what the issue seems to be and Google doesn't have any troubleshooting for their cocoapods.</p>