require 'formula' class TestBall < Formula def initialize(name="test_ball", path=nil) self.class.instance_eval do stable.url "file:///#{TEST_DIRECTORY}/tarballs/testball-0.1.tbz" stable.sha1 "482e737739d946b7c8cbaf127d9ee9c148b999f5" end super end def install prefix.install "bin" prefix.install "libexec" end end