###安装carthage
使用 homebrew进行安装 brew install carthage
###安装过程很简单
goswift:Desktop knight.lu$ brew install carthage ==> Downloading https://homebrew.bintray.com/bottles/carthage-0.17.2.el_capitan. ######################################################################## 100.0% ==> Pouring carthage-0.17.2.el_capitan.bottle.1.tar.gz ==> Caveats Bash completion has been installed to: /usr/local/etc/bash_completion.d zsh completion has been installed to: /usr/local/share/zsh/site-functions ==> Summary