nkryptic/passenger_restarter.rb

## passenger_restarter.rb
# Allow the metal piece to run in isolation
require( File.dirname(__FILE__) + "/../../config/environment" ) unless defined?(Rails)

class PassengerRestarter
  @restart_url      = "/restart"
  @default_target   = "/"
  @restart_message  = "Restarted."
  @set_flash        = true

  def self.call(env)
    if Rails.env == 'development' && env["PATH_INFO"] =~ /^#{Regexp.quote(@restart_url)}/
      perform_restart
      set_flash_message(env) if @set_flash
      redirect( redirect_target(env) )
    else
      [404, {"Content-Type" => "text/html"}, ["Not Found"]]
    end
  end

  def self.perform_restart
    File.new( Rails.root.join("tmp/restart.txt"), "w" )
  end

  def self.set_flash_message(env)
    session = env['rack.session']
    flash = session["flash"] ||= ::ActionController::Flash::FlashHash.new
    flash[:notice] = @restart_message
  end

  def self.redirect_target(env)
    referer, host = env["HTTP_REFERER"], env["HTTP_HOST"]
    referer && referer.index(host) >= 0 ? referer : @default_target
  end

  def self.redirect(location)
    [302, {"Content-Type" => "text/html", "Location" => location}, [%{<html><body><p><a href="#{location}">Redirecting...</a></p></body></html>}]]
  end
end
	# Allow the metal piece to run in isolation
	require( File.dirname(__FILE__) + "/../../config/environment" ) unless defined?(Rails)

	class PassengerRestarter
	@restart_url = "/restart"
	@default_target = "/"
	@restart_message = "Restarted."
	@set_flash = true

	def self.call(env)
	if Rails.env == 'development' && env["PATH_INFO"] =~ /^#{Regexp.quote(@restart_url)}/
	perform_restart
	set_flash_message(env) if @set_flash
	redirect( redirect_target(env) )
	else
	[404, {"Content-Type" => "text/html"}, ["Not Found"]]
	end
	end

	def self.perform_restart
	File.new( Rails.root.join("tmp/restart.txt"), "w" )
	end

	def self.set_flash_message(env)
	session = env['rack.session']
	flash = session["flash"] \|\|= ::ActionController::Flash::FlashHash.new
	flash[:notice] = @restart_message
	end

	def self.redirect_target(env)
	referer, host = env["HTTP_REFERER"], env["HTTP_HOST"]
	referer && referer.index(host) >= 0 ? referer : @default_target
	end

	def self.redirect(location)
	[302, {"Content-Type" => "text/html", "Location" => location}, [%{<html><body><p><a href="#{location}">Redirecting...</a></p></body></html>}]]
	end
	end