class Mill < Formula desc "Scala build tool" homepage "https://www.lihaoyi.com/mill/" url "https://github.com/lihaoyi/mill/releases/download/0.4.0/0.4.0" sha256 "745756498e5a67c55277534c62959c6fdfa382cda2c1a6e34ef0ea6b49c90880" bottle :unneeded depends_on :java => "1.8" def install libexec.install Dir["*"].shift => "mill" chmod 0555, libexec/"mill" (bin/"mill").write_env_script libexec/"mill", Language::Java.java_home_env("1.8") end test do (testpath/"build.sc").write <<~EOS import mill._ import mill.scalalib._ object foo extends ScalaModule { def scalaVersion = "2.12.8" } EOS output = shell_output("#{bin}/mill resolve __.compile") assert_equal "foo.compile", output.lines.last.chomp end end