1. 在MAC上安装Ruby开发环境（现在MAC是自带Ruby的）

1) 安装Homebrew（MAC上的apt-get）

ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"

2) 安装设置RVM（Ruby Version Manage）

curl -L https://get.rvm.io | bash -s stable

3) 安装Ruby环境

rvm install 2.2.4

http://www.cnblogs.com/foxting/p/4520829.html

http://www.cnblogs.com/daguo/p/4097263.html

2. 在MAC上安装cocoapods

1) 替换Ruby镜像为淘宝的

gem sources --remove https://rubygems.org/

gem sources -a https://ruby.taobao.org/

gem sources -l

2) 安装cocoapods

sudo gem install cocoapods

http://blog.csdn.net/iunion/article/details/17010267

http://blog.csdn.net/chen505358119/article/details/47778347

3. cocoapods的相关讨论，以及一些使用建议

1) http://blog.devtang.com/blog/2014/05/25/use-cocoapod-to-manage-ios-lib-dependency/?utm_source=tuicool&utm_medium=referral

2) http://weibo.com/p/1001603800875490492754

3) http://www.objccn.io/issue-6-4/