libraries/cookbook_version.rb
# frozen_string_literal: true

#
# Cookbook Name:: os-hardening
# Library:: cookbook_version
#
# Copyright 2014, Dominik Richter
# Copyright 2014, Deutsche Telekom AG
#
# 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.
#

class Chef
  class Recipe
    def cookbook_version(cookbook_name, version_contraint)
      cb = run_context.cookbook_collection[cookbook_name]
      raise "Can't find cookbook #{cookbook_name}! Can't determine its version." if cb.nil?

      v = cb.metadata.version
      Chef::VersionConstraint::Platform.new(version_contraint).include?(v)
    end
  end
end
