wtf_is_calling_this.rb

# if you want to figure out wtf is calling Foo::Bar#baz, just
class Foo::Bar
  def baz_with_backtrace *args
    begin
      raise
    rescue => e
      puts 'backtrace to who called Foo::Bar#baz:'
      puts e.backtrace.join("\n")
    end
    baz_without_backtrace *args
  end
  alias_method_chain :baz, :backtrace # if you use ActiveSupport, otherwise uncomment the next two lines
  # alias_method :baz_without_backtrace, :baz
  # alias_method :baz, :baz_with_backtrace
end