最近折腾Mac，总结下填过的坑。
Homebrew
入手Mac后，安装的Macport，使用了将近3年的时间。随着最近折腾一些软件，感觉超级不爽，尤其更新ffmpeg的时候，风扇能转出天际。果断更换Homebrew。
Homebrew 安装
安装
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/usr/bin/ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"
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检查
brew -v
替换更新源
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# 替换brew.git，科大清华阿里可选:
$ cd "$(brew --repo)"
# 中国科大:
$ git remote set-url origin https://mirrors.ustc.edu.cn/brew.git
# 清华大学:
$ git remote set-url origin https://mirrors.tuna.tsinghua.edu.cn/git/homebrew/brew.git
# 阿里:
$ git remote set-url origin https://mirrors.aliyun.com/homebrew/brew.git
# 替换homebrew-core.git，科大清华阿里可选:
$ cd "$(brew --repo)/Library/Taps/homebrew/homebrew-core"
# 中国科大:
$ git remote set-url origin https://mirrors.ustc.edu.cn/homebrew-core.git
# 清华大学:
$ git remote set-url origin https://mirrors.tuna.tsinghua.edu.cn/git/homebrew/homebrew-core.git
# 阿里:
$ git remote set-url origin https://mirrors.aliyun.com/homebrew/homebrew-core.git
# 替换homebrew-bottles，科大清华阿里可选:
# 中国科大:
$ echo 'export HOMEBREW_BOTTLE_DOMAIN=https://mirrors.ustc.edu.cn/homebrew-bottles' >> ~/.zshrc
$ source ~/.zshrc
# 清华大学:
$ echo 'export HOMEBREW_BOTTLE_DOMAIN=https://mirrors.tuna.tsinghua.edu.cn/homebrew-bottles' >> ~/.zshrc
$ source ~/.zshrc
# 阿里:
$ echo 'export HOMEBREW_BOTTLE_DOMAIN=https://mirrors.aliyun.com/homebrew/homebrew-bottles' >> ~/.zshrc
$ source ~/.zshrc
# 应用生效:
$ brew update
# 重置brew.git:
$ cd "$(brew --repo)"
$ git remote set-url origin https://github.com/Homebrew/brew.git
# 重置homebrew-core.git:
$ cd "$(brew --repo)/Library/Taps/homebrew/homebrew-core"
$ git remote set-url origin https://github.com/Homebrew/homebrew-core.git
# 重置homebrew-bottles:
$ vim ~/.zshrc # 删除 HOMEBREW_BOTTLE_DOMAIN 这一行配置
$ source ~/.zshrc
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Homebrew 常用命令
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brew update #更新Homebrew
brew doctor #诊断
brew search <packageName> #搜索程序
brew install <packageName> #安装程序
brew uninstall <packageName> #卸载程序
brew list #列出Homebrew安装的程序
brew upgrade <packageName> #更新所有程序或指定更新
brew cleanup <packageName> #删除旧版本或者指定删除
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