mac安装brew

执行命令：

/bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install.sh)"

安装至最后时报错：

解决方案：

1.更换有效的镜像地址；

git clone git://mirrors.ustc.edu.cn/homebrew-core.git/ /usr/local/Homebrew/Library/Taps/homebrew/homebrew-core --depth=1

2.前往至 homebrew-core 将其当前的镜像地址也更为有效的地址；

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

3.重新执行更新

brew update

4.执行完如上操作后，终端显示如下字样内容即可

Already up-to-date.

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推荐使用阿里镜像站    https://developer.aliyun.com/mirror/homebrew