Rakefile in git_diff_parser-2.1.2 vs Rakefile in git_diff_parser-2.1.3

@@ -5,5 +5,14 @@
 RSpec::Core::RakeTask.new(:spec) do |spec|
   spec.rspec_opts = ['-cfd --backtrace']
 end
 
 task default: :spec
+
+require 'yard'
+require 'yard/rake/yardoc_task'
+DOC_FILES = ['lib/**/*.rb']
+DOC_OPTIONS = ['--debug', '--verbose']
+YARD::Rake::YardocTask.new(:doc) do |t|
+  t.files = DOC_FILES
+  t.options = DOC_OPTIONS if Rake.application.options.trace
+end