exe/saml-kit in saml-kit-cli-0.3.6 vs exe/saml-kit in saml-kit-cli-0.3.7

@@ -1,11 +1,12 @@
 #!/usr/bin/env ruby
+# frozen_string_literal: true
 
-require "saml/kit/cli"
+require 'saml/kit/cli'
 
-samlkitrc = ENV.fetch("SAMLKITRC", File.join(Dir.home, ".samlkitrc"))
+samlkitrc = ENV.fetch('SAMLKITRC', File.join(Dir.home, '.samlkitrc'))
 Saml::Kit.configure do |configuration|
-  configuration.entity_id = ENV.fetch('ENTITY_ID', `hostname`.chomp)
+  configuration.entity_id = ENV.fetch('ENTITY_ID', Socket.gethostname.chomp)
   configuration.registry = Saml::Kit::Cli::YamlRegistry.new(samlkitrc)
   configuration.logger.level = Logger::FATAL
 end
 
 Saml::Kit::Cli::Application.start(ARGV)