require 'formula' class Fswatch < Formula homepage 'https://github.com/alandipert/fswatch' url 'https://github.com/alandipert/fswatch/archive/r0.0.2.tar.gz' sha1 '80dcf0d4af0b28f1b777528050f2e094218cee5f' def install system 'make' bin.install 'fswatch' end test do system "fswatch 2>&1| grep 'You must specify a directory to watch'" end end