class GemHadar

def write_gemfile
   default_gemfile =<<EOT
vim: set filetype=ruby et sw=2 ts=2:
urce 'https://rubygems.org'
mspec
T
  current_gemfile = File.exist?('Gemfile') && File.read('Gemfile')
  case current_gemfile
  when false
    secure_write('Gemfile') do |output|
      output.write default_gemfile
    end
  when default_gemfile
    ;;
  else
    warn "INFO: Current Gemfile differs from default Gemfile."
  end
end