From 0e8db0155a02eed5bb3f3ecd90e23c5dd49fbec0 Mon Sep 17 00:00:00 2001
From: Michael Cho <michael@michaelcho.dev>
Date: Thu, 22 Aug 2024 19:19:17 -0400
Subject: [PATCH] language/python: avoid modifying all Python symlinks

Homebrew Python will always have a realpath in HOMEBREW_CELLAR. Instead,
check if the symlink target points to HOMEBREW_CELLAR.
---
 Library/Homebrew/language/python.rb | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/Library/Homebrew/language/python.rb b/Library/Homebrew/language/python.rb
index 3f97088eb1..7a9e0cbc76 100644
--- a/Library/Homebrew/language/python.rb
+++ b/Library/Homebrew/language/python.rb
@@ -330,8 +330,9 @@ module Language
           # Robustify symlinks to survive python patch upgrades
           @venv_root.find do |f|
             next unless f.symlink?
-            next unless (rp = f.realpath.to_s).start_with? HOMEBREW_CELLAR
+            next unless f.readlink.expand_path.to_s.start_with? HOMEBREW_CELLAR
 
+            rp = f.realpath.to_s
             version = rp.match %r{^#{HOMEBREW_CELLAR}/python@(.*?)/}o
             version = "@#{version.captures.first}" unless version.nil?