require 'rake/testtask' task :default => %w(test) desc 'Run tests with minitest' Rake::TestTask.new do |t| t.libs << 'test' t.pattern = 'test/*_test.rb' end desc 'Generate mime tables' task :tables => 'lib/mimemagic/tables.rb' file 'lib/mimemagic/tables.rb' => FileList['script/freedesktop.org.xml'] do |f| sh "script/generate-mime.rb #{f.prerequisites.join(' ')} > #{f.name}" end