module Minitest

def self.plugin_focus_init options # :nodoc:
  return unless Minitest::Test.respond_to? :filtered_names
  return if Minitest::Test.filtered_names.empty?
  if options[:include] || options[:filter] then
    order = %w[ `focus` --name ]
    a, b = @nofocus ? order : order.reverse
    extra = " Use --no-focus to override." unless @nofocus
    warn "Ignoring #{a} filters in favor of #{b} filters.#{extra}"
    warn ""
  end
  return if @nofocus
  re = "/^(#{Regexp.union(Minitest::Test.filtered_names).source})$/"
  options[:include] = options[:filter] = re
end

def self.plugin_focus_options opts, options
  opts.on "--no-focus", "Disable `focus` calls in tests." do |n|
    @nofocus = true
  end
end