class Yeti < Formula desc "ML-style functional programming language that runs on the JVM" homepage "https://mth.github.io/yeti/" url "https://github.com/mth/yeti/archive/v0.9.9.tar.gz" sha256 "45854dc436c7204daa481fda5fab8f1ce11d9a353ab5136ba7fc75ff0e222454" head "https://github.com/mth/yeti.git" depends_on :ant => :build depends_on :java => "1.7" def install system "ant", "jar" libexec.install "yeti.jar" bin.write_jar_script libexec/"yeti.jar", "yeti", "-server" end test do assert_equal "3\n", shell_output("#{bin}/yeti -e 'do x: x+1 done 2'") end end