From acf39f8777a825d48b4ca46249c75be13614e2d1 Mon Sep 17 00:00:00 2001
From: hyuraku <32809703+hyuraku@users.noreply.github.com>
Date: Mon, 8 Aug 2022 19:58:50 +0900
Subject: [PATCH] add TODO comment

---
 Library/Homebrew/cask/cask.rb | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Library/Homebrew/cask/cask.rb b/Library/Homebrew/cask/cask.rb
index 6bfc198f74..d347e27ac3 100644
--- a/Library/Homebrew/cask/cask.rb
+++ b/Library/Homebrew/cask/cask.rb
@@ -90,6 +90,7 @@ module Cask
     end
 
     def os_versions
+      # TODO: use #to_hash_with_variations instead once all casks use on_system blocks
       @os_versions ||= begin
         version_os_hash = {}
         actual_version = MacOS.full_version.to_s