Initial Chef repository

cookbooks/omnibus_updater/recipes/remove_chef_system_gem.rb

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+#
+# Cookbook Name:: omnibus_updater
+# Recipe:: remove_chef_system_gem
+#
+# Copyright 2014, Heavy Water Ops, LLC
+#
+# 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.
+#
+
+gem_package 'chef' do
+  action :purge
+  only_if do
+    Chef::Provider::Package::Rubygems.new(
+      Chef::Resource::GemPackage.new('dummy_package')
+    ).gem_env.gem_paths.detect{|path|
+      path.start_with?('/opt/omnibus') || path.start_with?('/opt/chef')
+    }.nil? && node[:omnibus_updater][:remove_chef_system_gem]
+  end
+end