brew - 切换为国内源

www.jianshu.com/p/5b48e1fbf314
# 查看 brew.git 当前源
$ cd "$(brew --repo)" && git remote -v
origin    https://github.com/Homebrew/brew.git (fetch)
origin    https://github.com/Homebrew/brew.git (push)

# 查看 homebrew-core.git 当前源
$ cd "$(brew --repo homebrew/core)" && git remote -v
origin    https://github.com/Homebrew/homebrew-core.git (fetch)
origin    https://github.com/Homebrew/homebrew-core.git (push)

# 替换为中科大源
$ git -C "$(brew --repo)" remote set-url origin https://mirrors.ustc.edu.cn/brew.git
$ git -C "$(brew --repo homebrew/core)" remote set-url origin https://mirrors.ustc.edu.cn/homebrew-core.git
$ git -C "$(brew --repo homebrew/cask)" remote set-url origin https://mirrors.ustc.edu.cn/homebrew-cask.git

# zsh 替换 brew bintray 镜像
$ echo 'export HOMEBREW_BOTTLE_DOMAIN=' >> ~/.zshrc
$ source ~/.zshrc

# bash 替换 brew bintray 镜像
$ echo 'export HOMEBREW_BOTTLE_DOMAIN=' >> ~/.bash_profile
$ source ~/.bash_profile

# 刷新源
$ brew update