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path: root/lib/chef/cookbook/manifest_v0.rb
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# Author:: Daniel DeLeo (<dan@chef.io>)
# Copyright:: Copyright 2015-2018, Chef Software Inc.
# License:: Apache License, Version 2.0
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

require_relative "../json_compat"
require_relative "../mixin/versioned_api"

class Chef
  class Cookbook
    class ManifestV0
      extend Chef::Mixin::VersionedAPI

      minimum_api_version 0

      COOKBOOK_SEGMENTS = %w{ resources providers recipes definitions libraries attributes files templates root_files }.freeze

      class << self

        def from_hash(hash)
          response = Mash.new(hash)
          response[:all_files] = COOKBOOK_SEGMENTS.inject([]) do |memo, segment|
            next memo if hash[segment].nil? || hash[segment].empty?

            hash[segment].each do |file|
              file["name"] = "#{segment}/#{file["name"]}"
              memo << file
            end
            response.delete(segment)
            memo
          end
          response
        end

        def to_h(manifest)
          result = manifest.manifest.dup
          result.delete("all_files")

          files = manifest.by_parent_directory
          files.keys.each_with_object(result) do |parent, memo|
            if COOKBOOK_SEGMENTS.include?(parent)
              memo[parent] ||= []
              files[parent].each do |file|
                file["name"] = file["name"].split("/")[1]
                file.delete("full_path")
                memo[parent] << file
              end
            end
          end
          # Ensure all segments are set to [] if they don't exist.
          # See https://github.com/chef/chef/issues/6044
          COOKBOOK_SEGMENTS.each do |segment|
            result[segment] ||= []
          end

          result.merge({ "frozen?" => manifest.frozen_version?, "chef_type" => "cookbook_version" })
        end

        alias_method :to_hash, :to_h
      end
    end
  end
end