#!/usr/bin/env ruby # CarrierWave rake tasks # # Task: reprocess # Desc: Reprocess all images for a given class # Usage: rake carrierwave:reprocess class= mount_uploader= namespace :carrierwave do task :reprocess, [:class, :mount_uploader] => :environment do |task, args| desc "Reprocess all images for a given class." args[:class].constantize.all.each do |object| begin CarrierWave.clean_cached_files! object.update_attribute(args[:mount_uploader].to_sym, object.instance_eval(args[:mount_uploader])) rescue false end end end end