Vendor the external cookbooks

Knife-Zero doesn't include Berkshelf support, so vendoring everything in
the repo is convenient again

cookbooks/poise-ruby/files/halite_gem/poise_ruby/ruby_providers.rb

@@ -0,0 +1,35 @@
+#
+# Copyright 2015-2017, Noah Kantrowitz
+#
+# 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/platform/provider_priority_map'
+
+require 'poise_ruby/ruby_providers/chef'
+require 'poise_ruby/ruby_providers/dummy'
+require 'poise_ruby/ruby_providers/scl'
+require 'poise_ruby/ruby_providers/system'
+
+
+module PoiseRuby
+  # Inversion providers for the ruby_runtime resource.
+  #
+  # @since 2.0.0
+  module RubyProviders
+    Chef::Platform::ProviderPriorityMap.instance.priority(:ruby_runtime, [
+      PoiseRuby::RubyProviders::Scl,
+      PoiseRuby::RubyProviders::System,
+    ])
+  end
+end