title: Pod installation error: [!]Unable to add a source with url `https://github.com/CocoaPods/Specs.git` named master
body: <p>I followed the steps on PhoneGap website and got stuck on the step using command "pod install" and got the error message as below:   </p>
  
  <p>MyMac:PhoneGapTest username$ <strong>pod install</strong><br><br>
  Setting up CocoaPods master repo <br>
  [!] Unable to add a source with url <code>https://github.com/CocoaPods/Specs.git</code> named <code>master</code>.<br>
  You can try adding it manually in <code>~/.cocoapods/repos</code> or via <code>pod repo add</code>.</p>
  
  <p>Here is the information for my machine<br>
  1.  Mac OS 10.12 Sierra <br>
  2.  Xcode 8.0 (8A218a) [Setting in “Xcode/Peference/Locations/Command Line Tools” is set to “Xcode 8.0 (8A218a)”, path is “/Application/Xcode.app”]</p>
  
  <p>Please suggest on how to resolve this.  Thank you!</p>