config/preinitializer.rb

   1 require 'yaml'
   2
   3 config = YAML.load_file("#{RAILS_ROOT}/config/application.yml")
   4 env = ENV['RAILS_ENV'] || 'development'
   5
   6 ENV.each do |key,value|
   7   if key.match(/^OSM_(.*)$/)
   8     Object.const_set(Regexp.last_match(1).upcase, value)
   9   end
  10 end
  11
  12 config[env].each do |key,value|
  13   unless Object.const_defined?(key.upcase)
  14     Object.const_set(key.upcase, value)
  15   end
  16 end