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