--- bin/ruby-build.orig	2025-09-23 11:49:15
+++ bin/ruby-build	2025-09-23 12:05:37
@@ -20,6 +20,9 @@
 
 OLDIFS="$IFS"
 
+# Disable Homebrew.
+brew() { false; }
+
 # Have shell functions inherit the ERR trap.
 set -E