require 'formula' class SafeRm < Formula homepage 'https://launchpad.net/safe-rm' url 'https://launchpad.net/safe-rm/trunk/0.10/+download/safe-rm-0.10.tar.gz' sha1 '6b829ae68e1fa3c8016e15ab37fcc08caef7712f' def install bin.install 'safe-rm' end test do file = "a-file" touch file system "#{bin}/safe-rm", file assert !File.exist?(file) end end