安装cocoapods步骤

安装rvm

curl -L get.rvm.io | bash -s stable

或者

sudo bash < <(curl -s https://raw.github.com/wayneeseguin/rvm/master/binscripts/rvm-installer )

安装 homebrew

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

安装或更新ruby

rvm install ruby

或者

brew install ruby

安装CocoaPods

 $ gem sources --add https://ruby.taobao.org/ --remove https://rubygems.org/
 $ gem sources -l

 $ sudo gem install cocoapods

出现以下错误：

  ERROR: While executing gem ... (Errno::EPERM) Operation not permitted - /usr/bin/xcodeproj

使用：

  sudo gem install -n /usr/local/bin cocoapods

更新cocoapods

  pod setup

检查更新进度：

cd ~/.cocoapods
du -sh