require 'nokogiri'
require 'open-uri'
require 'stringex'
require 'git'
 
username = ARGV[0]
repo = ARGV[1]
 
base_url = "http://wiki.github.com/#{username}/#{repo}"
 
wiki_directory = "#{username}-#{repo}-wiki"
FileUtils.mkdir_p wiki_directory
 
 
github_login = Git.global_config('github.user')
github_token = Git.global_config('github.token')
 
 
doc = Nokogiri::HTML(open(base_url))
 
doc.search('.sidebar ul li a').each do |page_link|
  page_title = page_link.content
  page_slug = page_title.to_url
 
  edit_url = "http://github.com/#{username}/#{repo}/wikis/#{page_slug}/edit?login=#{github_login}&token=#{github_token}"
 
  edit_doc = Nokogiri::HTML(open(edit_url))
 
  textile = nil
  edit_doc.search('textarea').each do |wiki_body|
    textile = wiki_body.content
  end
 
  File.open("#{wiki_directory}/#{page_slug}.textile", "w") do |file|
    file.write textile
  end
 
end
 
puts "#{username}/#{repo} wiki has been scrapped into #{wiki_directory}"