latexmk on Mac OS X

latexmk.rb

class Latexmk < Formula
  desc "La­texmk com­pletely au­to­mates the pro­cess of gen­er­at­ing a LaTeX doc­u­ment."
  homepage "http://users.phys.psu.edu/~collins/software/latexmk-jcc/"
  url "http://users.phys.psu.edu/%7Ecollins/software/latexmk-jcc/latexmk-443a.zip"
  sha256 "e410d295c0a47327b953ece5b582c294359bdf89138ef990d5621b020ff2bbe5"

  depends_on :tex
  depends_on "ghostscript" => :optional

  def install
    bin.install "latexmk.pl" => "latexmk"
    man1.install "latexmk.1"
  end

  test do
    (testpath/"test.tex").write <<-'EOS'.undent
      \documentclass{article}
      \begin{document}
      Hello World!
      \end{document}
    EOS

    system bin/"latex-mk", "test.tex"
    assert File.exist?("test.dvi")
  end
end