cask "birdfont" do
  if MacOS.version <= :mojave
    version "4.17.0"
    sha256 "74c778e3b7598a66b9ddb11b189ba6a21d68263fb0499a965dcedd0ac987b051"

    livecheck do
      url "https://birdfont.org/purchase.php"
      regex(%r{Mac\s*OS\s*10\.12.*?/birdfont[._-]v?(\d+(?:\.\d+)+)[._-]free\.dmg}i)
    end
  else
    version "4.29.13"
    sha256 "c0dda48115752439f10c01111244aa8816e9dadd35956b1affc0970760e89be4"

    livecheck do
      url "https://birdfont.org/purchase.php"
      regex(%r{Mac\s*OS\s*10\.15.*?/birdfont[._-]v?(\d+(?:\.\d+)+)[._-]free\.dmg}i)
    end
  end

  url "https://birdfont.org/download/birdfont-#{version}-free.dmg"
  name "BirdFont"
  desc "Font editor"
  homepage "https://birdfont.org/"

  depends_on macos: ">= :sierra"

  app "BirdFontNonCommercial.app"
end