Debugging before_filters in rails

rails_filter_debugging.txt

> bundle open activesupport
open lib/active_support/callbacks.rb

Below ~ line 188 (result = result = #{@filter}) ->

Rails.logger.info "[callbacks] executing BEFORE :#{@filter} from inside #{@klass}" if defined?(Rails)

Below ~ line 239 ->

Rails.logger.info "[callbacks] executing AFTER :#{@filter} from inside #{@klass}"

so that it looks like this:

if #{@compiled_options}
  #{@filter}
  Rails.logger.info "[callbacks] executing AFTER :#{@filter} from inside #{@klass}" if defined?(Rails)
end