Add opposite versions of --auto-gen-config adjacent switches so tha…

…t they can be overridden when regenerating the todo file

docs/modules/ROOT/pages/usage/basic_usage.adoc

@@ -199,11 +199,14 @@ $ rubocop -h
 | `-L/--list-target-files`
 | List all files RuboCop will inspect.
 
-| `--no-auto-gen-timestamp`
-| Don't include the date and time when --auto-gen-config was run in the config file it generates
+| `--[no-]auto-gen-only-exclude`
+| Generate only `Exclude` parameters and not `Max` when running `--auto-gen-config`, except if the number of files with offenses is bigger than `exclude-limit`. Default is false
 
-| `--no-offense-counts`
-| Don't show offense counts in config file generated by --auto-gen-config
+| `--[no-]auto-gen-timestamp`
+| Include the date and time when `--auto-gen-config` was run in the config file it generates. Default is true.
+
+| `--[no-]offense-counts`
+| Show offense counts in config file generated by `--auto-gen-config`. Default is true.
 
 | `--only`
 | Run only the specified cop(s) and/or cops in the specified departments.

lib/rubocop/formatter/disabled_config_formatter.rb

@@ -32,7 +32,6 @@ def file_started(_file, _file_info)
         @exclude_limit_option = @options[:exclude_limit]
         @exclude_limit = Integer(@exclude_limit_option ||
           RuboCop::Options::DEFAULT_MAXIMUM_EXCLUSION_ITEMS)
-        @show_offense_counts = !@options[:no_offense_counts]
       end
 
       def file_finished(file, offenses)
@@ -56,6 +55,14 @@ def finished(_inspected_files)
 
       private
 
+      def show_timestamp?
+        @options.fetch(:auto_gen_timestamp, true)
+      end
+
+      def show_offense_counts?
+        @options.fetch(:offense_counts, true)
+      end
+
       def command
         command = 'rubocop --auto-gen-config'
 
@@ -66,15 +73,15 @@ def command
             format(' --exclude-limit %<limit>d',
                    limit: Integer(@exclude_limit_option))
         end
-        command += ' --no-offense-counts' if @options[:no_offense_counts]
+        command += ' --no-offense-counts' unless show_offense_counts?
 
-        command += ' --no-auto-gen-timestamp' if @options[:no_auto_gen_timestamp]
+        command += ' --no-auto-gen-timestamp' unless show_timestamp?
 
         command
       end
 
       def timestamp
-        @options[:no_auto_gen_timestamp] ? '' : "on #{Time.now.utc} "
+        show_timestamp? ? "on #{Time.now.utc} " : ''
       end
 
       def output_offenses
@@ -112,7 +119,7 @@ def set_max(cfg, cop_name)
       end
 
       def output_cop_comments(output_buffer, cfg, cop_name, offense_count)
-        output_buffer.puts "# Offense count: #{offense_count}" if @show_offense_counts
+        output_buffer.puts "# Offense count: #{offense_count}" if show_offense_counts?
 
         cop_class = Cop::Registry.global.find_by_cop_name(cop_name)
         output_buffer.puts '# Cop supports --auto-correct.' if cop_class&.support_autocorrect?

lib/rubocop/options.rb

@@ -120,14 +120,9 @@ def add_auto_gen_options(opts)
 
       option(opts, '--disable-uncorrectable')
 
-      option(opts, '--no-offense-counts') do
-        @options[:no_offense_counts] = true
-      end
-
-      option(opts, '--auto-gen-only-exclude')
-      option(opts, '--no-auto-gen-timestamp') do
-        @options[:no_auto_gen_timestamp] = true
-      end
+      option(opts, '--[no-]offense-counts')
+      option(opts, '--[no-]auto-gen-only-exclude')
+      option(opts, '--[no-]auto-gen-timestamp')
 
       option(opts, '--init')
     end
@@ -318,7 +313,7 @@ def validate_auto_gen_config
 
       message = '--%<flag>s can only be used together with --auto-gen-config.'
 
-      %i[exclude_limit no_offense_counts no_auto_gen_timestamp
+      %i[exclude_limit offense_counts auto_gen_timestamp
          auto_gen_only_exclude].each do |option|
         if @options.key?(option)
           raise OptionArgumentError,
@@ -423,17 +418,17 @@ module OptionsHelp
       config:                           'Specify configuration file.',
       auto_gen_config:                  ['Generate a configuration file acting as a',
                                          'TODO list.'],
-      no_offense_counts:                ['Do not include offense counts in configuration',
-                                         'file generated by --auto-gen-config.'],
-      no_auto_gen_timestamp:
-                                        ['Do not include the date and time when',
-                                         'the --auto-gen-config was run in the file it',
-                                         'generates.'],
+      offense_counts:                   ['Include offense counts in configuration',
+                                         'file generated by --auto-gen-config.',
+                                         'Default is true.'],
+      auto_gen_timestamp:
+                                        ['Include the date and time when the --auto-gen-config',
+                                         'was run in the file it generates. Default is true.'],
       auto_gen_only_exclude:
                                         ['Generate only Exclude parameters and not Max',
                                          'when running --auto-gen-config, except if the',
                                          'number of files with offenses is bigger than',
-                                         'exclude-limit.'],
+                                         'exclude-limit. Default is false.'],
       exclude_limit:                    ['Used together with --auto-gen-config to',
                                          'set the limit for how many Exclude',
                                          "properties to generate. Default is #{MAX_EXCL}."],

spec/rubocop/options_spec.rb

@@ -58,15 +58,15 @@ def abs(path)
                   --disable-uncorrectable      Used with --auto-correct to annotate any
                                                offenses that do not support autocorrect
                                                with `rubocop:todo` comments.
-                  --no-offense-counts          Do not include offense counts in configuration
+                  --[no-]offense-counts        Include offense counts in configuration
                                                file generated by --auto-gen-config.
-                  --auto-gen-only-exclude      Generate only Exclude parameters and not Max
+                                               Default is true.
+                  --[no-]auto-gen-only-exclude Generate only Exclude parameters and not Max
                                                when running --auto-gen-config, except if the
                                                number of files with offenses is bigger than
-                                               exclude-limit.
-                  --no-auto-gen-timestamp      Do not include the date and time when
-                                               the --auto-gen-config was run in the file it
-                                               generates.
+                                               exclude-limit. Default is false.
+                  --[no-]auto-gen-timestamp    Include the date and time when the --auto-gen-config
+                                               was run in the file it generates. Default is true.
                   --init                       Generate a .rubocop.yml file in the current directory.
               -f, --format FORMATTER           Choose an output formatter. This option
                                                can be specified multiple times to enable