mac Homebrew安装

下载

/usr/bin/ruby -e "$(curl -fsSL https://cdn.jsdelivr.net/gh/ineo6/homebrew-install/install)"

替换brew git 

git -C "$(brew --repo)" remote set-url origin https://mirrors.ustc.edu.cn/brew.git

替换homebrew-core.git：

git -C "$(brew --repo homebrew/core)" remote set-url origin https://mirrors.ustc.edu.cn/homebrew-core.git