参考清华镜像
https://mirror.tuna.tsinghua.edu.cn/help/homebrew/
git clone https://mirrors.tuna.tsinghua.edu.cn/git/homebrew/install.git
cd install
修改
BREW_REPO="https://github.com/Homebrew/brew"
# 改成：
BREW_REPO="https://mirrors.tuna.tsinghua.edu.cn/git/homebrew/brew.git"
HOMEBREW_CORE_GIT_REMOTE=https://mirrors.tuna.tsinghua.edu.cn/git/homebrew/homebrew-core.git bash install.sh