Add exit key for options hash

Author: drwl

lib/parser.rb

@@ -106,6 +106,7 @@ def parser(options) # rubocop:disable Metrics/MethodLength
 
       opts.on('-v', '--version', 'Show the current version of this gem') do
         puts "annotate v#{Annotate.version}"
+        options[:exit] = true
       end
 
       opts.on('-m', '--show-migration', 'Include the migration version number in the annotation') do
@@ -220,7 +221,8 @@ def parser(options) # rubocop:disable Metrics/MethodLength
 
   def default_options
     {
-      target_action: :do_annotations
+      target_action: :do_annotations,
+      exit: false
     }
   end
 end

spec/parser_spec.rb

@@ -208,6 +208,7 @@
     describe option do
       it 'sets the ENV variable' do
         expect { Parser.parse([option]) }.to output("annotate v#{Annotate.version}\n").to_stdout
+        expect(Parser.parse([option])).to include(exit: true)
       end
     end
   end