Reverse engineer modules

gistfile1.rb

#!/usr/bin/env ruby

require 'rubygems'
require 'json'
require 'pathname'

current_dir = Pathname.new(Dir.pwd)

current_dir.children.each do |child|
  md = child + 'metadata.json'
  md_version = JSON.parse(md.read)['version'] if md.exist?

  git_version = nil
  Dir.chdir(child) do
    git_version = `git describe --tags 2>/dev/null`.chomp
  end

  puts <<-EOS
Directory: #{child}
Metadata Version: #{md_version}
Git Version: #{git_version}

  EOS
end