All Topics Design Web iOS Gabe Berke-Williams January 20, 2014 osx Bundler users define dependencies for Ruby applications in a Gemfile and install those dependencies by running bundle install. Homebrew users can define dependencies for their OS X operating system with a Brewfile , like this: # Brewfile brew "openssl" # a comment tap "homebrew/dupes" To use the Brewfile, tap homebrew/bundle (one time) to install the command, then run it in a directory with a Brewfile in it: brew tap homebrew/bundle brew bundle Note that Homebrew will treat lines that start with # as comments. To install a package, use brew , and to tap a repository, use tap . So this: brew "openssl" # a comment tap "homebrew/dupes" is equivalent as these commands: brew install openssl brew tap homebrew/dupes I can think of a few places where a Brewfile would be welcome: In dotfi...