module Bundler::CLI::Common

def self.without_groups_message
  groups = Bundler.settings.without
  group_list = [groups[0...-1].join(", "), groups[-1..-1]].
    reject {|s| s.to_s.empty? }.join(" and ")
  group_str = (groups.size == 1) ? "group" : "groups"
  "Gems in the #{group_str} #{group_list} were not installed."
end