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#
# Author:: Bryan McLellan <btm@loftninjas.org>
# Copyright:: Copyright 2012-2017, 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 "chef/resource/package"
require "chef/resource/gem_package"
class Chef
class Resource
# Use the chef_gem resource to install a gem only for the instance of Ruby that is dedicated to the chef-client.
# When a gem is installed from a local file, it must be added to the node using the remote_file or cookbook_file
# resources.
#
# The chef_gem resource works with all of the same properties and options as the gem_package resource, but does not
# accept the gem_binary property because it always uses the CurrentGemEnvironment under which the chef-client is
# running. In addition to performing actions similar to the gem_package resource, the chef_gem resource does the
# following:
# - Runs its actions immediately, before convergence, allowing a gem to be used in a recipe immediately after it is
# installed
# - Runs Gem.clear_paths after the action, ensuring that gem is aware of changes so that it can be required
# immediately after it is installed
class ChefGem < Chef::Resource::Package::GemPackage
resource_name :chef_gem
property :gem_binary, default: "#{RbConfig::CONFIG['bindir']}/gem",
callbacks: {
"The chef_gem resource is restricted to the current gem environment, use gem_package to install to other environments." => proc { |v| v == "#{RbConfig::CONFIG['bindir']}/gem" },
}
property :compile_time, [TrueClass, FalseClass], default: false, desired_state: false
# force the resource to compile time if the compile time property has been set
def after_created
if compile_time
Array(action).each do |action|
run_action(action)
end
Gem.clear_paths
end
end
end
end
end
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