1. Mac 上环境安装
/usr/bin/ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"
cd "$(brew --repo)"
git remote set-url origin https://mirrors.ustc.edu.cn/brew.git/
cd "$(brew --repo)"/Library/Taps/homebrew/homebrew-core
git remote set-url origin https://mirrors.ustc.edu.cn/homebrew-core.git/
cd "$(brew --repo)"/Library/Taps/caskroom/homebrew-cask
git remote set-url origin https://mirrors.ustc.edu.cn/homebrew-cask.git/
brew install coreutils findutils gnu-tar gnu-sed gawk gnutls gnu-indent gnu-getopt grep
原文：https://www.cnblogs.com/hopelee/p/12276058.html