Homebrew

macOS 缺失的软件包管理器

安装 Homebrew
```
/usr/bin/ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"
```
将以上命令粘贴至终端。

脚本会在执行前暂停，并说明将它将做什么。高级安装选项在这里 (required for OS X Lion 10.7 and below)。
Homebrew 能干什么?

使用 Homebrew 安装 Apple 没有预装但你需要的东西。
```
$ brew install wget
```

Homebrew 会将软件包安装到独立目录，并将其文件软链接至 /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

Homebrew 不会将文件安装到它本身目录之外，所以您可将 Homebrew 安装到任意位置。

轻松创建你自己的 Homebrew 包。

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

完全基于 Git 和 ruby，所以自由修改的同时你仍可以轻松撤销你的变更或与上游更新合并。
```
$ brew edit wget # 使用 $EDITOR 编辑!
```

Homebrew 的配方都是简单的 Ruby 脚本：

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 使 macOS 更完整。使用 gem 来安装 gems、用 brew 来安装那些依赖包。
"To install, drag this icon..." no more. brew cask installs macOS apps, fonts and plugins and other non-open source software.
```
$ brew cask install firefox
```

Making a cask is as simple as creating a formula.

$ brew cask create foo
Editing /usr/local/Homebrew/Library/Taps/homebrew/homebrew-cask/Casks/foo.rb

更多文档

docs.brew.sh
Donate on Patreon

patreon.com/homebrew
开发者讨论区

discourse.brew.sh
Homebrew 博客

brew.sh/blog
Homebrew Packages

formulae.brew.sh
Analytics Data

formulae.brew.sh/analytics
Homebrew 创建者：Max Howell。网站搭建者：Rémi Prévost, Mike McQuaid 和 Danielle Lalonde。

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