module Bundler::SharedHelpers

def major_deprecation(message)
  return unless prints_major_deprecations?
  @major_deprecation_ui ||= Bundler::UI::Shell.new("no-color" => true)
  ui = Bundler.ui.is_a?(@major_deprecation_ui.class) ? Bundler.ui : @major_deprecation_ui
  ui.warn("[DEPRECATED FOR #{Bundler::VERSION.split(".").first.to_i + 1}.0] #{message}")
end