build_sdoc.rb

#!/usr/bin/env ruby

require 'fileutils'
require 'tmpdir'

Gems = %w(factory_girl rspec-core capybara remarkable remarkable_activerecord)

output_dir = Dir.pwd

Dir.mktmpdir do |tmpdir|

  Gems.each do |gem|
    gemdir = `gem open -l #{gem} -x -c echo`.chomp
    Dir.chdir(gemdir) do
      system "sdoc -o #{tmpdir}/#{gem}"
    end
  end

  FileUtils.rm_rf 'gems'
  system "sdoc-merge -o gems -t 'Gems docs' #{tmpdir}/*"
end