cli.rb in mutant-0.9.13

- old
+ new

@@ -1,9 +1,11 @@
 # frozen_string_literal: true
 
 module Mutant
   # Commandline parser / runner
+  #
+  # rubocop:disable Metrics/ClassLength
   class CLI
     include Concord.new(:world, :config)
 
     private_class_method :new
 
@@ -124,10 +126,13 @@
     # rubocop:disable Metrics/MethodLength
     def add_filter_options(opts)
       opts.on('--ignore-subject EXPRESSION', 'Ignore subjects that match EXPRESSION as prefix') do |pattern|
         add_matcher(:ignore_expressions, config.expression_parser.apply(pattern).from_right)
       end
+      opts.on('--start-subject EXPRESSION', 'Start mutation testing at a specific subject') do |pattern|
+        add_matcher(:start_expressions, config.expression_parser.apply(pattern).from_right)
+      end
       opts.on('--since REVISION', 'Only select subjects touched since REVISION') do |revision|
         add_matcher(
           :subject_filters,
           Repository::SubjectFilter.new(
             Repository::Diff.new(to: revision, world: world)
@@ -163,6 +168,7 @@
 
     def add_matcher(attribute, value)
       with(matcher: config.matcher.add(attribute, value))
     end
   end # CLI
+  # rubocop:enable Metrics/ClassLength
 end # Mutant