desc 'Configures apache with a new phusion passenger virtual host; USAGE: sake passenger:new server_name=myapp rails_dir=/projects/my_rails_app'
task 'passenger:new' do
  unless (ENV.include?("server_name") and (ENV.include?("rails_dir") and File.exists?(File.join(ENV["rails_dir"], "public")))) then
    raise("\nUSAGE: sake passenger:new server_name=myapp rails_dir=/projects/my_rails_app/\n\n")
  end
  server_name = ENV["server_name"]
  rails_public_dir = File.join(File.expand_path(ENV["rails_dir"]), "public")
  httpd_conf = "/etc/apache2/other/httpd-mod-rails.conf"
  commands = []
  puts("Updating your /etc/hosts with an alias for #{server_name} to 127.0.0.1")
  (commands << "echo '127.0.0.1 #{server_name}' >> /etc/hosts")
  puts("Adding new virtual host to apache")
  virtual_host_template = []
  (virtual_host_template << "")
  (virtual_host_template << "")
  (virtual_host_template << "  ServerName #{server_name}")
  (virtual_host_template << "  DocumentRoot #{rails_public_dir}")
  (virtual_host_template << "  RailsEnv development")
  (virtual_host_template << "")
  (commands << "echo '#{virtual_host_template.join("\\n")}' >> #{httpd_conf}")
  puts("Restarting apache")
  (commands << "apachectl graceful")
  system("sudo -p 'sudo password for %u: ' sh -c \"#{commands.join(" && ")}\"")
end