cask "github-without-appcast" do
  version "1.0"
  sha256 "a69e7357bea014f4c14ac9699274f559086844ffa46563c4619bf1addfd72ad9"

  url "https://github.com/user/project/releases/download/#{version}/github.pkg"
  name "github"
  homepage "https://github.com/user/project"

  pkg "github.pkg"

  uninstall pkgutil: "com.github"
end