create non-digested assets

assets.rake

namespace :assets do
  task nondigest: :"assets:environment"  do
    logger = Logger.new($stderr)

    asset_path    = Rails.root.join('public', MyRailsApp::Application.config.assets.prefix.gsub(%r{^/}, ''))
    manifest_path = Dir.glob(asset_path.join('manifest-*.json')).first
    manifest_data = JSON.load(File.new(manifest_path))

    manifest_data["assets"].each do |logical_path, digested_path|
      full_digested_path    = asset_path.join(digested_path)
      full_nondigested_path = asset_path.join(logical_path)

      logger.info "[assets] Copying to #{ full_nondigested_path }..."
      FileUtils.copy_file full_digested_path, full_nondigested_path, true
    end
  end
end


if ENV['RAILS_ENV'] == 'test'
  Rake::Task['assets:precompile'].enhance do
    Rake::Task['assets:nondigest'].invoke
  end
end