#!/usr/bin/env ruby
require 'pathname'

# memcached requires an absolute path for the -P switch
root = (Pathname.new(__FILE__).dirname + '..').realpath
pidfile = root + 'tmp' + 'memcached.pid'

if not pidfile.exist?
  puts "memcached not running: starting"
  system 'memcached', '-d', '-P', pidfile, '-l', '127.0.0.1'
else
  puts "memcached running: stopping"
  pid = pidfile.read.chomp
  system 'kill', pid

  # it appears that memcached doesn't clean up its pid file
  # unless you send it a QUIT signal (TERM, KILL, HUP don't)
  # unfortuantely, QUIT on Mac OS X causes memcached to crash
  pidfile.delete
end