From 3b50f4ba41ececd01dcf2e35c4071495f250d609 Mon Sep 17 00:00:00 2001
From: hituzi no sippo <dev@hituzi-no-sippo.me>
Date: Thu, 11 Dec 2025 19:16:17 +0900
Subject: [PATCH] [ruby/rubygems] Support single quotes in mise format ruby
 version

https://github.com/ruby/rubygems/commit/a7d7ab39dd
---
 lib/bundler/ruby_dsl.rb               |  8 ++++----
 spec/bundler/bundler/ruby_dsl_spec.rb | 14 ++++++++++++--
 2 files changed, 16 insertions(+), 6 deletions(-)

diff --git a/lib/bundler/ruby_dsl.rb b/lib/bundler/ruby_dsl.rb
index db4d5521e5..228904850a 100644
--- a/lib/bundler/ruby_dsl.rb
+++ b/lib/bundler/ruby_dsl.rb
@@ -42,16 +42,16 @@ module Bundler
     # Loads the file relative to the dirname of the Gemfile itself.
     def normalize_ruby_file(filename)
       file_content = Bundler.read_file(gemfile.dirname.join(filename))
-      # match "ruby-3.2.2", ruby = "3.2.2" or "ruby   3.2.2" capturing version string up to the first space or comment
+      # match "ruby-3.2.2", ruby = "3.2.2", ruby = '3.2.2' or "ruby   3.2.2" capturing version string up to the first space or comment
       if /^                    # Start of line
          ruby                  # Literal "ruby"
          [\s-]*                # Optional whitespace or hyphens (for "ruby-3.2.2" format)
          (?:=\s*)?             # Optional equals sign with whitespace (for ruby = "3.2.2" format)
-         "?                    # Optional opening quote
+         ["']?                 # Optional opening quote
          (                     # Start capturing group
-           [^\s#"]+            # One or more chars that aren't spaces, #, or quotes
+           [^\s#"']+           # One or more chars that aren't spaces, #, or quotes
          )                     # End capturing group
-         "?                    # Optional closing quote
+         ["']?                 # Optional closing quote
          /x.match(file_content)
         $1
       else
diff --git a/spec/bundler/bundler/ruby_dsl_spec.rb b/spec/bundler/bundler/ruby_dsl_spec.rb
index 0d02542fb5..4ef0296695 100644
--- a/spec/bundler/bundler/ruby_dsl_spec.rb
+++ b/spec/bundler/bundler/ruby_dsl_spec.rb
@@ -178,11 +178,21 @@ RSpec.describe Bundler::RubyDsl do
         let(:file_content) do
           <<~TOML
             [tools]
-            ruby = "#{version}"
+            ruby = #{quote}#{version}#{quote}
           TOML
         end
 
-        it_behaves_like "it stores the ruby version"
+        context "with double quotes" do
+          let(:quote) { '"' }
+
+          it_behaves_like "it stores the ruby version"
+        end
+
+        context "with single quotes" do
+          let(:quote) { "'" }
+
+          it_behaves_like "it stores the ruby version"
+        end
       end
 
       context "with a .tool-versions file format" do