按照下列鏈接里的方法卸載homebrew 遇到 Failed to connect to raw.githubusercontent.com:443
https://stackoverflow.com/questions/11038028/what-is-the-best-safest-way-to-reinstall-homebrew
解決方法：https://www.jianshu.com/p/c2e829027b0a， 我用的是鏈接里面的方法二
之后就可以卸載重裝了
另外如果brew速度慢，考慮更換為中國科大或者清華大學的下載源
替換brew.git:
$ cd "$(brew --repo)"
中國科大:
$ git remote set-url origin https://mirrors.ustc.edu.cn/brew.git
清華大學:
$ git remote set-url origin https://mirrors.tuna.tsinghua.edu.cn/git/homebrew/brew.git
替換homebrew-core.git:
$ cd "$(brew --repo)/Library/Taps/homebrew/homebrew-core"
中國科大:
$ git remote set-url origin https://mirrors.ustc.edu.cn/homebrew-core.git
清華大學:
$ git remote set-url origin https://mirrors.tuna.tsinghua.edu.cn/git/homebrew/homebrew-core.git
替換homebrew-bottles:
中國科大:
$ echo 'export HOMEBREW_BOTTLE_DOMAIN=https://mirrors.ustc.edu.cn/homebrew-bottles' >> ~/.bash_profile
$ source ~/.bash_profile
清華大學:
$ echo 'export HOMEBREW_BOTTLE_DOMAIN=https://mirrors.tuna.tsinghua.edu.cn/homebrew-bottles' >> ~/.bash_profile
$ source ~/.bash_profile
應用生效:
$ brew update
如果需要重置為官方源， 使用如下方法
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