https://brew.sh/index_zh-cn.html
https://brew.sh/
非root权限下运行
# github 源代码 https://github.com/Homebrew/brew/
mac 非root用户下brew的使用：
应用广泛，比如mac（unix）系统不带tree命令，安装一下即可。
第一步： brew help 看看帮助
Example usage:
brew search [TEXT|/REGEX/]
brew (info|home|options) [FORMULA...]
brew install FORMULA...
brew update
brew upgrade [FORMULA...]
brew uninstall FORMULA...
brew list [FORMULA...] Troubleshooting:
brew config
brew doctor
brew install -vd FORMULA Developers:
brew create [URL [--no-fetch]]
brew edit [FORMULA...]
https://docs.brew.sh/Formula-Cookbook.html