bin/ridgepole in ridgepole-0.8.5 vs bin/ridgepole in ridgepole-0.8.6

@@ -36,10 +36,11 @@
 output_file = '-'
 split = false
 diff_files = nil
 diff_with_apply = false
 exit_code = 0
+spec_name = ''
 
 options = {
   dry_run: false,
   debug: false,
   color: $stdout.tty?,
@@ -74,10 +75,11 @@
 
 ARGV.options do |opt|
   begin
     opt.on('-c', '--config CONF_OR_FILE') { |v| config = v }
     opt.on('-E', '--env ENVIRONMENT') { |v| env = v }
+    opt.on('-s', '--spec-name SPEC_NAME') { |v| spec_name = v }
     opt.on('-a', '--apply') { set_mode[:apply] }
     opt.on('-m', '--merge') do
       set_mode[:apply]
       options[:merge] = true
     end
@@ -166,11 +168,11 @@
 
 begin
   logger = Ridgepole::Logger.instance
   logger.debug = options[:debug]
 
-  client = Ridgepole::Client.new(Ridgepole::Config.load(config, env), options) if config
+  client = Ridgepole::Client.new(Ridgepole::Config.load(config, env, spec_name), options) if config
 
   ActiveRecord::Base.logger = logger
   ActiveSupport::LogSubscriber.colorize_logging = options[:color]
 
   case mode
@@ -245,10 +247,10 @@
     diff_files = diff_files.map do |diff_file|
       if File.exist?(diff_file)
         file_ext = File.extname(diff_file)
 
         if %w[.yml .yaml].include?(file_ext)
-          Ridgepole::Config.load(diff_file, env)
+          Ridgepole::Config.load(diff_file, env, spec_name)
         else
           File.open(diff_file)
         end
       elsif Gem::Version.new(Psych::VERSION) >= Gem::Version.new('3.1.0.pre1') # Ruby 2.6
         YAML.safe_load(