What Does Homebrew Do?

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

Homebrew installs packages to their own directory and then symlinks their files into /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 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/bar-1.0.tgz Created /usr/local/Homebrew/Library/Taps/homebrew/homebrew-core/Formula/bar.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 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 complements macOS (or your Linux system). Install your RubyGems with gem and their dependencies with brew.

“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-ca

We at AppsForMyPC have tested and used Homebrew and it worked pretty smoothly 🙂 🙂