unfog.rb

require "pp"

namespace :fog do

  task :setup => :environment do
    $src_store = Fog::Storage.new(
      :provider              => "AWS",
      :aws_access_key_id     => Localist::Config[:amazon][:access_key_id],
      :aws_secret_access_key => Localist::Config[:amazon][:secret_access_key],
      :region                => "us-west-1",
    )

    $dst_store = Fog::Storage.new(
      :provider           => "Rackspace",
      :rackspace_username => Localist::Config[:rackspace][:username],
      :rackspace_api_key  => Localist::Config[:rackspace][:api_key],
    )
  end

  task :migrate => :setup do

    buckets = {
      "localist-ads-production" => "ads-production",
      "localist-assets-production" => "assets-production",
    }

    buckets.each_pair do |src_bucket, dst_bucket|
      src_dir = $src_store.directories.detect{ |dir| dir.key.split(/\./).first == src_bucket }
      dst_dir = $dst_store.directories.detect{ |dir| dir.key.split(/\./).first == dst_bucket }

      src_dir.files.each do |src_file|
        dst_file = dst_dir.files.head(src_file.key)

        unless dst_file
          dst_file = dst_dir.files.create({
            :key    => src_file.key,
            :body   => src_file.body,
            :public => true
          })
        end

        pp dst_file
      end
    end

  end

end