Script to copy the gem licenses into doc folder

licenses.rb

#!/usr/bin/env ruby
# 
# Put this file in script/licenses.rb
# and make executeable
# $ chmod +x script/licenses.rb
#
# Call with
# $ script/licenses.rb

ROOT_PATH = File.expand_path('../../',  __FILE__)

require 'fileutils'

licenses_output_dir = File.join(ROOT_PATH, 'doc', 'gem_licenses')

gems = {}
gem_paths = `bundle list --paths`.split("\n")
gem_paths.each do |gem_path|
  gem_name = gem_path.split('/').last
  gems[gem_name] = `ls #{gem_path}/*LICENSE*`.split("\n").first rescue nil
end


FileUtils.mkdir_p(licenses_output_dir)
gems.each do |name, path|
  out = File.join(licenses_output_dir, name)
  if path
    FileUtils.cp(path, out)
  else
    FileUtils.touch(out)
  end
end