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`.
在Cocoa pods安装过程中经常会遇到这个错误:
解决方法在命令行中执行下边这句话:
<span style="font-size:24px;">pod repo add master https://github.com/CocoaPods/Specs.git</span>