class LittleCms2 < Formula
  desc "Color management engine supporting ICC profiles"
  homepage "https://www.littlecms.com/"
  # Ensure release is announced at https://www.littlecms.com/categories/releases/
  # (or https://www.littlecms.com/blog/)
  url "https://downloads.sourceforge.net/project/lcms/lcms/2.16/lcms2-2.16.tar.gz"
  sha256 "d873d34ad8b9b4cea010631f1a6228d2087475e4dc5e763eb81acc23d9d45a51"
  license "MIT"
  version_scheme 1

  # The Little CMS website has been redesigned and there's no longer a
  # "Download" page we can check for releases. As of writing this, checking the
  # "Releases" blog posts seems to be our best option and we just have to hope
  # that the post URLs, headings, etc. maintain a consistent format.
  livecheck do
    url "https://www.littlecms.com/categories/releases/"
    regex(/Little\s*CMS\s+v?(\d+(?:\.\d+)+)\s+released/im)
  end

  depends_on "jpeg-turbo"
  depends_on "libtiff"

  def install
    system "./configure", *std_configure_args
    system "make", "install"
  end

  test do
    system "#{bin}/jpgicc", test_fixtures("test.jpg"), "out.jpg"
    assert_predicate testpath/"out.jpg", :exist?
  end
end