- Mac下安装Homebrew、git
安装Homebrew命令：
/usr/bin/ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"
移除Homebrew命令：
/usr/bin/ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/uninstall)"
git安装包下载：
https://git-scm.com/download
macOS系统自带git
使用brew安装git命令：
brew install git
