[!] Unable to add a source with url `https://github.com/CocoaPods/Specs.git` named `master-1`. You can try adding it manually in `~/.cocoapods/repos` or via `pod repo add`.

问题:在使用git clone https://github.com/CocoaPods/Specs 报:[!] Unable to add a source with url https://github.com/CocoaPods/Specs.git named master-1.
You can try adding it manually in ~/.cocoapods/repos or via pod repo add.

解决答案:
$ brew remove git
$ brew remove curl

$ brew install openssl
$ brew install --with-openssl curl
$ brew install --with-brewed-curl --with-brewed-openssl git