cartodb/lib/tasks/common_data.rake

namespace :cartodb do
  namespace :common_data do
    desc 'Generates datasets assets and upload them to Amazon S3'
    task :generate_s3_assets, [:all_public] => :environment do |t, args|
      all_public = args[:all_public].blank? ? false : args[:all_public]
      common_data = CommonData.new
      common_data.upload_datasets_to_s3 all_public
    end
  end
end