1.使用中科大源
（1）替换默认源
第一步：替换brew.git
cd "$(brew --repo)"
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git remote set-url origin https://mirrors.ustc.edu.cn/brew.git
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第二步：替换homebrew-core.git
cd "$(brew --repo)/Library/Taps/homebrew/homebrew-core"
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git remote set-url origin https://mirrors.ustc.edu.cn/homebrew-core.git
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cd
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2
brew update
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（2）替换Homebrew Bottles源
Homebrew是OS X系统的一款开源的包管理器。出于节省时间的考虑，Homebrew默认从Homebrew Bottles源中下载二进制代码包安装。Homebrew Bottles是Homebrew提供的二进制代码包，目前镜像站收录了以下仓库：
homebrew/homebrew-core
homebrew/homebrew-dupes
homebrew/homebrew-games
homebrew/homebrew-gui
homebrew/homebrew-python
homebrew/homebrew-php
homebrew/homebrew-science
homebrew/homebrew-versions
homebrew/homebrew-x11
对于bash用户：
echo 'export HOMEBREW_BOTTLE_DOMAIN=https://mirrors.ustc.edu.cn/homebrew-bottles' >> ~/.bash_profile
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source ~/.bash_profile
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对于zsh用户
echo 'export HOMEBREW_BOTTLE_DOMAIN=https://mirrors.ustc.edu.cn/homebrew-bottles' >> ~/.zshrc
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source ~/.zshrc
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2.使用清华源
（1）替换默认源
第一步：替换现有上游
cd "$(brew --repo)"
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git remote set-url origin https://mirrors.tuna.tsinghua.edu.cn/git/homebrew/brew.git
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cd "$(brew --repo)/Library/Taps/homebrew/homebrew-core"
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git remote set-url origin https://mirrors.tuna.tsinghua.edu.cn/git/homebrew/homebrew-core.git
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cd
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2
drew update
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第二步：使用homebrew-science或者homebrew-python
cd "$(brew --repo)/Library/Taps/homebrew/homebrew-science"
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git remote set-url origin https://mirrors.tuna.tsinghua.edu.cn/git/homebrew/homebrew-science.git
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或
cd "$(brew --repo)/Library/Taps/homebrew/homebrew-python"
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git remote set-url origin https://mirrors.tuna.tsinghua.edu.cn/git/homebrew/homebrew-python.git
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cd
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2
brew update
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（2）替换Homebrew Bottles源
echo 'export HOMEBREW_BOTTLE_DOMAIN=https://mirrors.tuna.tsinghua.edu.cn/homebrew-bottles' >> ~/.bash_profile
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source ~/.bash_profile
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3.在中科大源或清华源失效或宕机时可以切换回官方源
第一步：重置brew.git
cd "$(brew --repo)"
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git remote set-url origin https://github.com/Homebrew/brew.git
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第二步：重置homebrew-core.git
cd "$(brew --repo)/Library/Taps/homebrew/homebrew-core"
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git remote set-url origin https://github.com/Homebrew/homebrew-core.git
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cd
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brew update
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第三步：注释掉bash配置文件里的有关Homebrew Bottles即可恢复官方源。 重启bash或让bash重读配置文件。
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原文：https://blog.csdn.net/lwplwf/article/details/79097565?utm_source=copy
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