require 'formula' class Cksfv < Formula homepage 'http://zakalwe.fi/~shd/foss/cksfv/' url 'http://zakalwe.fi/~shd/foss/cksfv/files/cksfv-1.3.14.tar.bz2' sha1 'f6da3a559b2862691a2be6d2be0aac66cd624885' def install system "./configure", "--prefix=#{prefix}" system "make install" end test do path = testpath/"foo" path.write "abcd" assert shell_output("#{bin}/cksfv #{path}").include?("#{path} ED82CD11") end end