brew/Library/Homebrew/compat/hbc/cli/update.rb

require "cask/lib/hbc/cli/abstract_command"

module Hbc
  class CLI
    class Update < AbstractCommand
      def self.run(*_ignored)
        odisabled "`brew cask update`", "`brew update`"
      end

      def self.visible
        false
      end
    end
  end
end