mac get Homebrew

• ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"

  Open a terminal window and paste the above script.

  The script will explain what it does and then perform the installation with your confirmation. See here for advanced installation options  (requires 10.5).

• What Does Homebrew Do?

  
  

  Are you saying that the kit is missing again? Don't worry, Homebrew  is always on hand .

   

  reference:http://brew.sh/index_zh-cn.html

  $ brew install wget

• Homebrew will install the package into a separate directory and softlink the files to /usr/local .

  $ cd /usr/local
  $ find Cellar
  Cellar/wget/1.16.1
  Cellar/wget/1.16.1/bin/wget
  Cellar/wget/1.16.1/share/man/man1/wget.1
  
  $ ls -l bin
  bin/wget -> ../Cellar/wget/1.16.1/bin/wget

• All of Homebrew's files are installed into predefined directories, so you don't need to worry about where Homebrew is installed.

• Easily create your Homebrew programs.

  $ brew create https://foo.com/bar-1.0.tgz
  Created /usr/local/Library/Formula/bar.rb

• With git and ruby ​​as its backbone, with your relevant knowledge, you can modify it freely, and you can simply withdraw your adjustments or merge upstream updates.

  $ brew edit wget # 使用 $EDITOR 编辑!

• Homebrew programs are simple Ruby scripts:

  class Wget < Formula
    homepage "https://www.gnu.org/software/wget/"
    url "https://ftp.gnu.org/gnu/wget/wget-1.15.tar.gz"
    sha256 "52126be8cf1bddd7536886e74c053ad7d0ed2aa89b4b630f76785bac21695fcd"
  
    def install
      system "./configure", "--prefix=#{prefix}"
      system "make", "install"
    end
  end

• Homebrew makes OS X even better. Use   togem install gems and get those dependencies.brew

• more documentation

  https://git.io/brew-docs