class Raykit::Rake

def self.run(remote, branch, task = "default")
  repo = Raykit::Git::Repository.new(remote)
  rel_dir = repo.relative_path
  commit = repo.latest_commit(branch)
  log_filename = "#{Environment.get_dev_dir("log")}/RayKit.Runner/#{rel_dir}/#{branch}/#{commit}.json"
  if File.exist?(log_filename)
    Command.parse(File.read(log_filename))
  else
    run_dir = "#{Environment.get_dev_dir("tmp")}/#{rel_dir}.#{branch}.#{commit}"
    unless Dir.exist?(run_dir)
      parent_dir = File.expand_path("..", run_dir)
      FileUtils.mkdir_p(parent_dir) unless Dir.exist?(parent_dir)
      cmd = Command.new("git clone #{remote} #{run_dir}")
    end
    Dir.chdir(run_dir) do
      cmd = Command.new("rake #{task}")
      parent_dir = File.dirname(log_filename)
      FileUtils.mkdir_p(parent_dir) unless Dir.exist?(parent_dir)
      File.open(log_filename, "w") do |f|
        f.write(JSON.generate(cmd.to_hash))
      end
      return cmd
    end
  end
end