cask "visit" do
  if MacOS.version <= :high_sierra
    version "3.1.1"
    sha256 "4213daed23de17ee8bcfba779a96cce3ef92d3075ae666f7aeaffa824d484924"

    # github.com/visit-dav/visit/ was verified as official when first introduced to the cask
    url "https://github.com/visit-dav/visit/releases/download/v#{version}/visit#{version}.darwin-x86_64-10.13.dmg"
  else
    version "3.1.2"
    sha256 "10a8c52d947f4c1adea820238775273da3d60a1b2484d5cbd4fe5781451f567d"

    # github.com/visit-dav/visit/ was verified as official when first introduced to the cask
    url "https://github.com/visit-dav/visit/releases/download/v#{version}/visit#{version}.darwin-x86_64-10_14.dmg"
  end

  appcast "https://wci.llnl.gov/simulation/computer-codes/visit/executables"
  name "VisIt"
  homepage "https://wci.llnl.gov/simulation/computer-codes/visit"

  depends_on macos: ">= :el_capitan"

  app "VisIt.app"
end