https://www.cnblogs.com/lmfboke/p/6501678.html
显示当前使用的sources
gem sources
添加一个source
gem sources -a https://gems.ruby-china.com/
删除一个source
gem sources -r ...
更新source cache
gem sources -u
gem update --system
sudo gem install -n /usr/local/bin cocoapods
接下来就可以删掉本地的pods文件执行下面指令来更新pods文件了
pod update --no-repo-update
pod setup很慢的问题:
[https://blog.csdn.net/qq_42283150/article/details/93179665](https://blog.csdn.net/qq_42283150/article/details/93179665)