gistfile1.txt

class RegistrationsController < Devise::RegistrationsController

  def show
    github_name = params[:github_name]
    if User.find_by_username(github_name)
      redirect_to new_user_session_url, :notice => t(:already_registered)
    else
      session[:github_name] = github_name
      @user = User.new(:username => github_name)
      if @user.create_for_session_data
        flash[:notice] = t(:email_sent, :email => @user.params_for_account['email'])
      end
      render 'show'
    end
  end

end