homebrew 失败 ： Permission denied

报错信息：

Press RETURN to continue or any other key to abort

==> Downloading and installing Homebrew...

fatal: Could not switch to '.git': Permission denied

Failed during: git init -q

解决方案：

1、执行：sudo chown -R $USER /usr/local  

2、安装brew : /usr/bin/ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"

信息来源： https://github.com/Homebrew/legacy-homebrew/issues/36504