Rakefile in mtree-1.0.0 vs Rakefile in mtree-1.0.1

@@ -1,11 +1,29 @@
+# frozen_string_literal: true
+
 require 'bundler/gem_tasks'
 require 'rspec/core/rake_task'
+require 'github_changelog_generator/task'
 
 RSpec::Core::RakeTask.new(:spec)
 
+GitHubChangelogGenerator::RakeTask.new :changelog do |config|
+  config.user = 'opus-codium'
+  config.project = 'mtree'
+  config.exclude_labels = ['skip-changelog']
+  config.future_release = "v#{Mtree::VERSION}"
+  config.since_tag = 'v1.0.0'
+end
+
 task default: :spec
 
+task build: :gen_parser
+task spec: :gen_parser
+
 desc "Generate the mtree parser's code"
-task :parser do
-  sh 'racc lib/mtree/parser.y'
+task gen_parser: [
+  'lib/mtree/parser.tab.rb',
+]
+
+file 'lib/mtree/parser.tab.rb' => 'lib/mtree/parser.y' do
+  sh 'racc -S lib/mtree/parser.y'
 end