From 59445c7961e10b9b5205bdad5df7c760b7244897 Mon Sep 17 00:00:00 2001
From: Ruoyu Zhong <zhongruoyu@outlook.com>
Date: Thu, 13 Feb 2025 15:33:45 +0800
Subject: [PATCH] cmd/info: handle when tab tap is `nil`

---
 Library/Homebrew/cmd/info.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Library/Homebrew/cmd/info.rb b/Library/Homebrew/cmd/info.rb
index 72a8b47b25..925476eaab 100644
--- a/Library/Homebrew/cmd/info.rb
+++ b/Library/Homebrew/cmd/info.rb
@@ -298,7 +298,7 @@ module Homebrew
         kegs = [
           *heads.sort_by { |keg| -keg.tab.time.to_i },
           *versioned.sort_by(&:scheme_and_version),
-        ].select { |keg| keg.tab.tap == formula.tap }
+        ].select { |keg| (tap = keg.tab.tap).nil? || tap == formula.tap }
         if kegs.empty?
           puts "Not installed"
           if (bottle = formula.bottle)