lib/methadone/main.rb in methadone-1.2.2 vs lib/methadone/main.rb in methadone-1.2.3

@@ -402,10 +402,11 @@
       @arg_options = {}
       @arg_documentation = {}
       @description = nil
       @version = nil
       set_banner
+      document_help
     end
 
     def check_args!
       ::Hash[@args.zip(::ARGV)].each do |arg_name,arg_value|
         if @arg_options[arg_name].include? :required
@@ -494,9 +495,16 @@
         end
       end
     end
 
     private
+
+    def document_help
+      @option_parser.on("-h","--help","Show command line help") do 
+        puts @option_parser.to_s
+        exit 0
+      end
+    end
 
     def add_default_value_to_docstring(*args)
       default_value = nil
       option_names_from(args).each do |option|
         default_value = (@options[option.to_s] || @options[option.to_sym]) if default_value.nil?