# File lib/bundler/dsl.rb, line 67 def self.deprecate(name, replacement = nil) define_method(name) do |*| message = "'#{name}' has been removed from the Gemfile DSL, " if replacement message << "and has been replaced with '#{replacement}'." else message << "and is no longer supported." end message << "\nSee the README for more information on upgrading from Bundler 0.8." raise DeprecatedMethod, message end end