Rakefile in gooddata-0.6.53 vs Rakefile in gooddata-0.6.54

@@ -15,10 +15,11 @@
 require 'rubocop/rake_task'
 
 desc 'Run RuboCop'
 RuboCop::RakeTask.new(:cop) do |task|
   task.patterns = ['{lib,spec}/**/*.rb']
+  task.options = ['--force-exclusion']
 end
 
 desc 'Run continuous integration test'
 task :ci do
   Rake::Task['test:unit'].invoke
@@ -135,9 +136,32 @@
         content_lines.slice!(0) if content_lines[0] == "\n"
       end
 
       new_content = (license + content_lines).join
       File.open(path, 'w') { |file| file.write(new_content) }
+    end
+  end
+end
+
+namespace :changelog do
+  desc 'Updates the changelog with commit messages'
+  task :update do
+    require_relative 'lib/gooddata/version'
+    new_version = GoodData::VERSION
+    changelog = File.read('CHANGELOG.md')
+    fail 'the version is already mentioned in the changelog' if changelog =~ /## #{new_version}/
+    puts "Creating changelog for version #{new_version}"
+    current_commit = `git rev-parse HEAD`.chomp
+    last_release = %x(git describe --tags `git rev-list --tags --max-count=1`)
+    last_release_commit = `git rev-parse #{last_release}`.chomp
+    changes = `git log --format=%B --no-merges #{last_release_commit}..#{current_commit}`.split("\n").reject(&:empty?)
+    changelog_header = '# GoodData Ruby SDK Changelog'
+    changelog.slice! changelog_header
+    File.open('CHANGELOG.md', 'w+') do |file|
+      file.puts changelog_header + "\n"
+      file.puts "## #{new_version}"
+      changes.each { |change| file.puts ' - ' + change }
+      file.puts changelog
     end
   end
 end
 
 RSpec::Core::RakeTask.new(:test)