Parameter --additional-file-patterns is fixed

lib/annotate/parser.rb

@@ -56,7 +56,7 @@ def add_options_to_parser(option_parser) # rubocop:disable Metrics/MethodLength,
       option_parser.on('--additional-file-patterns path1,path2,path3',
                        Array,
                        "Additional file paths or globs to annotate, separated by commas (e.g. `/foo/bar/%model_name%/*.rb,/baz/%model_name%.rb`)") do |additional_file_patterns|
-        ENV['additional_file_patterns'] = additional_file_patterns
+        env['additional_file_patterns'] = additional_file_patterns.join(',')
       end
 
       option_parser.on('-d',

lib/annotate/version.rb

@@ -1,5 +1,5 @@
 module Annotate
   def self.version
-    '3.2.0'
+    '3.2.1'
   end
 end

spec/lib/annotate/parser_spec.rb

@@ -20,7 +20,7 @@ module Annotate # rubocop:disable Metrics/ModuleLength
           paths = 'foo/bar,baz'
           allow(ENV).to receive(:[]=)
           Parser.parse([option, paths])
-          expect(ENV).to have_received(:[]=).with('additional_file_patterns', ['foo/bar', 'baz'])
+          expect(ENV).to have_received(:[]=).with('additional_file_patterns', 'foo/bar,baz')
         end
       end
     end