brew一直卡在Updating Homebrew的解决办法

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运行命令brew install pip3，结果界面一直卡在Updating Homebrew…上，有两种解决办法

方法一：直接关闭brew每次执行命令时的自动更新（推荐）

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vim ~/.bash_profile

# 新增一行
export HOMEBREW_NO_AUTO_UPDATE=true

方法二：替换brew源

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cd "$(brew --repo)"
git remote set-url origin https://mirrors.ustc.edu.cn/brew.git

#替换homebrew-core.git
cd "$(brew --repo)/Library/Taps/homebrew/homebrew-core"
git remote set-url origin https://mirrors.ustc.edu.cn/homebrew-core.git
brew update


# 备用地址-1
cd "$(brew --repo)"
git remote set-url origin https://git.coding.net/homebrew/homebrew.git
brew update


# 备用地址-2
cd "$(brew --repo)"
git remote set-url origin https://mirrors.tuna.tsinghua.edu.cn/git/brew.git
cd "$(brew --repo)/Library/Taps/homebrew/homebrew-core"
git remote set-url origin https://mirrors.tuna.tsinghua.edu.cn/git/homebrew-core.git
brew update

如果备用地址都不行，那就只能再换回官方地址了

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#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