Vendor the external cookbooks

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

cookbooks/compat_resource/files/lib/chef_compat/resource.rb

@@ -0,0 +1,56 @@
+require 'chef_compat/monkeypatches'
+require 'chef_compat/copied_from_chef/chef/resource'
+
+# We do NOT want action defined if chefspec is engaged
+if Chef::Provider::InlineResources::ClassMethods.instance_method(:action).source_location[0] =~ /chefspec/
+  ChefCompat::CopiedFromChef::Chef::Provider::InlineResources::ClassMethods.instance_eval do
+    remove_method(:action)
+  end
+end
+
+module ChefCompat
+  class Resource < ChefCompat::CopiedFromChef::Chef::Resource
+    def initialize(*args, &block)
+      super
+      # @resource_name is used in earlier Chef versions
+      @resource_name = self.class.resource_name
+    end
+    # Things we'll need to define ourselves:
+    # 1. provider
+    # 2. resource_name
+
+    def provider(*args, &block)
+      super || self.class.action_class
+    end
+    def provider=(arg)
+      provider(arg)
+    end
+
+    if !respond_to?(:resource_name)
+      def self.resource_name(name=Chef::NOT_PASSED)
+        # Setter
+        if name != Chef::NOT_PASSED
+  #        remove_canonical_dsl
+
+          # Set the resource_name and call provides
+          if name
+            name = name.to_sym
+            # If our class is not already providing this name, provide it.
+            # Commented out: use of resource_name and provides will need to be
+            # mutually exclusive in this world, generally.
+            # if !Chef::ResourceResolver.includes_handler?(name, self)
+              provides name#, canonical: true
+            # end
+            @resource_name = name
+          else
+            @resource_name = nil
+          end
+        end
+        @resource_name
+      end
+      def self.resource_name=(name)
+        resource_name(name)
+      end
+    end
+  end
+end