vagrant-cachier-ng/lib/vagrant-cachier/bucket/apt_lists.rb

module VagrantPlugins
  module Cachier
    class Bucket
      class AptLists < Bucket
        def self.capability
          :apt_lists_dir
        end

        def install
          # Apt lists bucket can't be used on windows hosts
          #   https://github.com/fgrehm/vagrant-cachier/issues/106
          return if Vagrant::Util::Platform.windows?

          if guest.capability?(:apt_lists_dir)
            guest_path = guest.capability(:apt_lists_dir)

            return if @env[:cache_dirs].include?(guest_path)

            symlink(guest_path)
            comm.execute("mkdir -p /tmp/vagrant-cache/#{@name}/partial")
          else
            @env[:ui].info I18n.t('vagrant_cachier.skipping_bucket', bucket: 'apt-lists')
          end
        end
      end
    end
  end
end