查看 Ruby 版本

$ ruby -v

ruby 2.2.3p173 (2015-08-18 revision 51636) [x86_64-darwin14]

1、 更新 gem ，国内需切换 gem source

$ sudo gem update —system

切换 gem source

$ gem sources --add https://gems.ruby-china.org/ --remove https://rubygems.org /

$ gem sources -l

*** CURRENT SOURCES***

https://gems.ruby-china.org

2、 安装 cocoapods

$ sudo gem install cocoapods

$ pod setup

mac osx 10.11 之后

$ sudo gem install -n /usr/local/bin cocoapods --pre //安装最新版本

$ sudo gem install -n /usr/local/bin cocoapods -v <version> //安装指定的 version

$ pod --version

0.39.0

1.5.3

bate 1.8.0

gem install concurrent-ruby或gem update concurrent-ruby。

image.png

pod install 下载慢

PodFile

source ‘https://github.com/CocoaPods/Specs.git’