List installed homebrew packages and their dependencies

brew-list-dependencies.rb

require 'utils'

class ListDependencies

  def run
    @command = <<-EOT
       brew list | while read cask; do
         printf "\e[1;34m%s ->\e[1;37m" "$cask";
         brew deps $cask | awk '{printf(" %s ", $0)}'; echo "";
       done
    EOT
    display("Listing installed packages and their dependencies")
    safe_system(@command)
  end

  def display(message, &block)
    if $stdout.tty? and not ARGV.flag? '--quiet'
      ohai message
    end
  end

end

runner = ListDependencies.new
runner.run