Homebrew (original) (raw)

• Install Homebrew

/bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh)"  

Paste that in a macOS Terminal or Linux shell prompt.
The script explains what it will do and then pauses before it does it. Read about other installation options.
If you're on macOS, try our new .pkg installer.

• What Does Homebrew Do?

Homebrew installs the stuff you need that Apple (or your Linux system) didn’t.

• Homebrew installs packages to their own directory and then symlinks their files into /opt/homebrew (on Apple Silicon).

$ cd /opt/homebrew  
$ 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 won’t install files outside its prefix and you can place a Homebrew installation wherever you like.
• Trivially create your own Homebrew packages.

$ brew create https://foo.com/foo-1.0.tgz  
Created /opt/homebrew/Library/Taps/homebrew/homebrew-core/Formula/foo.rb  

• It’s all Git and Ruby underneath, so hack away with the knowledge that you can easily revert your modifications and merge upstream updates.

$ brew edit wget # opens in $EDITOR!  

• Homebrew formulae are simple Ruby scripts:

class Wget < Formula  
  desc "Internet file retriever"  
  homepage "https://www.gnu.org/software/wget/"  
  url "https://ftp.gnu.org/gnu/wget/wget-1.24.5.tar.gz"  
  sha256 "fa2dc35bab5184ecbc46a9ef83def2aaaa3f4c9f3c97d4bd19dcb07d4da637de"  
  license "GPL-3.0-or-later"  
  def install  
    system "./configure", "--prefix=#{prefix}"  
    system "make", "install"  
  end  
end  

• Homebrew complements macOS (or your Linux system). Install your RubyGems with gem and their dependencies with brew.
• “To install, drag this icon…” no more. Homebrew Cask installs macOS apps, fonts and plugins and other non-open source software.

$ brew install --cask firefox  

• Making a cask is as simple as creating a formula.

$ brew create --cask https://foo.com/foo-1.0.dmg  
Editing /opt/homebrew/Library/Taps/homebrew/homebrew-cask/Casks/foo.rb  

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