#
#   Copyright 2012 Red Hat, Inc.
#
#   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.
#

module ProviderSelection
  module ChainableStrategy

    module InstanceMethods

      def initialize(strategies, options = {})
        @strategies = strategies
        options ||= {}

        if self.class.method_names.include?('default_options')
          @options = self.class.default_options.with_indifferent_access.merge(options)
        else
          @options = options
        end
      end

      def method_missing(method, *args)
        args.empty? ? @strategies.send(method) : @strategies.send(method, args)
      end

    end

  end
end

#
#   Copyright 2012 Red Hat, Inc.
#
#   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.
#

module ProviderSelection
  module ChainableStrategy

    module InstanceMethods

      def initialize(strategies, options = {})
        @strategies = strategies
        options ||= {}

        if self.class.methods.map(&:to_s).include?('default_options')
          @options = self.class.default_options.with_indifferent_access.merge(options)
        else
          @options = options
        end
      end

      def method_missing(method, *args)
        args.empty? ? @strategies.send(method) : @strategies.send(method, args)
      end

    end

  end
end

Refactor Ruby 1.8 compatibility fix in provider selection
Refactor Ruby 1.8 compatibility fix in provider selection

The change was introduced by 7f26b8846b36515a6648b3f94ab24036471d8370 which is using a Rails method to solve an incompatility issue between 1.8 and 1.9.
It's better no to couple Rails with the provider selection because in the future we may want to seperate the provider selection code into a separate gem.
