    # File lib/chef/solr/solr_installer.rb, line 134
          def configure_from(argv)
            cli_config = CLI.parse_options(argv)
            #pp :cli_config => cli_config.to_hash
            config_file_config = CompatConfig.new.from_file(cli_config.config_file).to_hash
            #pp :config_file_config => config_file_config
            apply_hash(config_file_config)
            apply_hash(cli_config.to_hash)
            #pp :combined_config => self.to_hash
            self
          end