Mac系统Homebrew安装
terminal中粘贴回车: /usr/bin/ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"
如果没有terminal,建议安装XCode。
如果报could not lock config file /usr/local/Homebrew/.git/config: Permission denied错误
terminal执行
sudo chgrp -R admin /usr/local
然后执行
sudo chmod -R g+w /usr/local