From 006d3779f3581df0ff9b2950cf58dd5b8390bc9e Mon Sep 17 00:00:00 2001
From: thibhero <thibaut.herault@gmail.com>
Date: Mon, 30 Jun 2025 10:58:33 -0400
Subject: [PATCH] returning early if upgradeable is blank resolves #20197

---
 Library/Homebrew/upgrade.rb | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/Library/Homebrew/upgrade.rb b/Library/Homebrew/upgrade.rb
index 7d52e6e068..86f318d839 100644
--- a/Library/Homebrew/upgrade.rb
+++ b/Library/Homebrew/upgrade.rb
@@ -377,6 +377,8 @@ module Homebrew
 
       upgradeable = upgradeable.reject { |f| FormulaInstaller.installed.to_a.include?(f) }
 
+      return if upgradeable.blank?
+
       unless dry_run
         dependent_installers = formula_installers(
           upgradeable,