OS X 10.11 安装Cocoapods 出现问题的解决方法

[!] Unable to add a source with url `https://github.com/CocoaPods/Specs.git` named `master`.

You can try adding it manually in `~/.cocoapods/repos` or via `pod repo add`.

pod repo add master https://github.com/CocoaPods/Specs.git

[!] /usr/bin/git clone http://git.oschina.net/akuandev/Specs.git master

xcrun: error: invalid active developer path (/Library/Developer/CommandLineTools), missing xcrun at: /Library/Developer/CommandLineTools/usr/bin/xcrun

sudo xcode-select -switch /Applications/Xcode-beta.app/Contents/Developers

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.

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.