class Vnu < Formula desc "Nu Markup Checker: command-line and server HTML validator" homepage "https://validator.github.io/validator/" url "https://github.com/validator/validator/releases/download/18.7.23/vnu.jar_18.7.23.zip" sha256 "5668cb449cff64555ff0516f8e4db0c73da4790a47ef4af3f09655d6b0010134" version_scheme 1 bottle :unneeded depends_on :java => "1.8+" def install libexec.install "vnu.jar" bin.write_jar_script libexec/"vnu.jar", "vnu" end test do (testpath/"index.html").write <<~EOS hi EOS system bin/"vnu", testpath/"index.html" end end