brew install "https://gist.githubusercontent.com/fabioelia/7b4e95eb42f78a1ba0fe/raw/236d8bfcc7034947272a9dafb145facd0a9786a2/flex_sdk.rb"

flex_sdk.rb

require 'formula'

class FlexSdk < Formula
  url 'http://fpdownload.adobe.com/pub/flex/sdk/builds/flex4.5/flex_sdk_4.5.1.21328.zip'
  sha256 '537b55076050ce39a3444ea9a303a6bbf6cc2dc277f82a23a1f3d8455876c03d'
  homepage 'http://opensource.adobe.com/'
  version 'v4.5.1.21328'

  def install
    Dir['*'].each { |file| cp_r file, File.join( prefix, File.basename(file) ) }

    ohai %{You will need to add the Flex SDK to your path:}
    ohai %{  export PATH="#{bin}":$PATH}
  end
end