Add Crono::Cronotab to process cronotab

lib/crono/cli.rb

@@ -21,6 +21,7 @@ module Crono
 
       write_pid
       load_rails
+      Cronotab.process(File.expand_path(config.cronotab))
       print_banner
 
       check_jobs
@@ -71,7 +72,6 @@ module Crono
       require 'rails'
       require File.expand_path('config/environment.rb')
       ::Rails.application.eager_load!
-      require File.expand_path(config.cronotab)
     end
 
     def check_jobs

lib/crono/cronotab.rb

@@ -0,0 +1,10 @@
+module Crono
+  class Cronotab
+    def self.process(cronotab_path = nil)
+      cronotab_path ||= ENV['CRONOTAB'] || (defined?(Rails) &&
+                        File.join(Rails.root, Config::CRONOTAB))
+      fail 'No cronotab defined' unless cronotab_path
+      require cronotab_path
+    end
+  end
+end