asset_sync.rake

# asset_sync gem seems to be incompatible with Rails4.  This is
# a very bare-bones s3 asset sync script.

# RAILS_ENV=development bundle exec rake assets:upload_to_s3
namespace :assets do
  task :upload_to_s3 => :environment do
    require 'aws-sdk'

    config = YAML.load(File.open(Rails.root.join("config", "s3.yml")))[Rails.env.to_s]
    AWS.config(config)
    s3 = AWS::S3.new
    b = s3.buckets[config['asset_sync_bucket']]

    Dir['public/assets/*'].each do |file|
      basename = file.gsub(/\Apublic\/assets\//, "")

      # Grab prefix, strip trailing, and leading slashes.
      prefix   = Rails.application.config.assets.prefix.gsub(/\A\/|\/\Z/, '')

      o = b.objects["#{prefix}/#{basename}"]
      o.write(:file => file, :acl => :public_read)

      puts "Uploaded #{file} to: #{o.public_url}"
    end
  end
end