# removes hashtags with uppercase letters and re-attaches
  # the posts to the lowercase version
  task :rewire_uppercase_hashtags => :environment do
    evil_tags = ActsAsTaggableOn::Tag.where("lower(name) != name")
    puts "found #{evil_tags.count} tags to convert..."

    evil_tags.each_with_index do |tag, i|
      good_tag = ActsAsTaggableOn::Tag.find_or_create_by_name(tag.name.downcase)
      puts "++ '#{tag.name}' has #{tag.taggings.count} records attached"
      deleteme = []

      tag.taggings.each do |tagging|
        deleteme << tagging
      end

      puts deleteme

      deleteme.each do |tagging|
        tagging.reload
        tag.taggings.delete(tagging)
        good_tag.taggings << tagging
      end

      puts "-- converted '#{tag.name}' to '#{good_tag.name}' with #{deleteme.count} records"
      puts "## #{i} tags processed" if (i % 50 == 0)
    end
  end