From 7a9f3eb8003e85b3512222dfdf1839e55524c910 Mon Sep 17 00:00:00 2001
From: Bo Anderson <mail@boanderson.me>
Date: Tue, 21 Nov 2023 15:03:22 +0000
Subject: [PATCH] utils/ruby.sh: don't _require_ 3.1 in HOMEBREW_RUBY3 mode

---
 Library/Homebrew/utils/ruby.sh | 20 ++++++++++++++------
 1 file changed, 14 insertions(+), 6 deletions(-)

diff --git a/Library/Homebrew/utils/ruby.sh b/Library/Homebrew/utils/ruby.sh
index 947fdd9ccec4a..1a08460821d81 100644
--- a/Library/Homebrew/utils/ruby.sh
+++ b/Library/Homebrew/utils/ruby.sh
@@ -10,16 +10,24 @@ test_ruby() {
     return 1
   fi
 
+  supported_ruby_versions=()
   if [[ -n "${HOMEBREW_RUBY3}" && -z "${HOMEBREW_USE_RUBY_FROM_PATH}" ]]
   then
-    required_ruby_version="3.1.0"
-  else
-    required_ruby_version="${HOMEBREW_REQUIRED_RUBY_VERSION}"
+    supported_ruby_versions+=("3.1.0")
   fi
+  supported_ruby_versions+=("${HOMEBREW_REQUIRED_RUBY_VERSION}")
 
-  "$1" --enable-frozen-string-literal --disable=gems,did_you_mean,rubyopt \
-    "${HOMEBREW_LIBRARY}/Homebrew/utils/ruby_check_version_script.rb" \
-    "${required_ruby_version}" 2>/dev/null
+  for ruby_version in "${supported_ruby_versions[@]}"
+  do
+    if "$1" --enable-frozen-string-literal --disable=gems,did_you_mean,rubyopt \
+       "${HOMEBREW_LIBRARY}/Homebrew/utils/ruby_check_version_script.rb" \
+       "${ruby_version}" 2>/dev/null
+    then
+      return 0
+    fi
+  done
+
+  return 1
 }
 
 can_use_ruby_from_path() {