Contents

module Berkshelf::Vagrant
  module Action
    # @author Jamie Winsor <[e-mail]>
    class LoadShelf
      include Berkshelf::Vagrant::EnvHelpers

      def initialize(app, env)
        @app = app
      end

      def call(env)
        shelf = load_shelf

        if shelf.nil?
          shelf = cache_shelf(Berkshelf::Vagrant.mkshelf)
        end

        env[:berkshelf].shelf = shelf

        @app.call(env)
      end

      # @param [String] path
      #
      # @return [String]
      def cache_shelf(path)
        FileUtils.mkdir_p(File.dirname(path))

        File.open(cache_file, 'w+') do |f|
          f.write(path)
        end

        path
      end

      # @return [String, nil]
      def load_shelf
        return nil unless File.exist?(cache_file)

        File.read(cache_file).chomp
      end
    end
  end
end

Version data entries

3 entries across 3 versions & 1 rubygems

Version	Path
berkshelf-vagrant-1.0.4	lib/berkshelf/vagrant/action/load_shelf.rb
berkshelf-vagrant-1.0.3	lib/berkshelf/vagrant/action/load_shelf.rb
berkshelf-vagrant-1.0.0.rc1	lib/berkshelf/vagrant/action/load_shelf.rb