From 6e46b9b8b3657822306a365d6538e20fcf764d9b Mon Sep 17 00:00:00 2001
From: Luiz Eduardo Kowalski <luizeduardokowalski@gmail.com>
Date: Mon, 23 Dec 2024 11:50:46 -0300
Subject: [PATCH] [rubygems/rubygems] Add support for mise.toml file

https://github.com/rubygems/rubygems/commit/809a2a17a7
---
 lib/bundler/ruby_dsl.rb               |  6 +++---
 spec/bundler/bundler/ruby_dsl_spec.rb | 13 +++++++++++++
 2 files changed, 16 insertions(+), 3 deletions(-)

diff --git a/lib/bundler/ruby_dsl.rb b/lib/bundler/ruby_dsl.rb
index fb4b79c4df..1fc4981d29 100644
--- a/lib/bundler/ruby_dsl.rb
+++ b/lib/bundler/ruby_dsl.rb
@@ -42,9 +42,9 @@ 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" or "ruby   3.2.2" capturing version string up to the first space or comment
-      if /^ruby(-|\s+)([^\s#]+)/.match(file_content)
-        $2
+      # match "ruby-3.2.2", ruby = "3.2.2" or "ruby   3.2.2" capturing version string up to the first space or comment
+      if /^ruby[\s-]*(?:=\s*)?"?([^\s#"]+)"?/.match(file_content)
+        $1
       else
         file_content.strip
       end
diff --git a/spec/bundler/bundler/ruby_dsl_spec.rb b/spec/bundler/bundler/ruby_dsl_spec.rb
index c5ebbdf4db..2607f746e7 100644
--- a/spec/bundler/bundler/ruby_dsl_spec.rb
+++ b/spec/bundler/bundler/ruby_dsl_spec.rb
@@ -172,6 +172,19 @@ RSpec.describe Bundler::RubyDsl do
         end
       end
 
+      context "with a mise.toml file format" do
+        let(:file) { "mise.toml" }
+        let(:ruby_version_arg) { nil }
+        let(:file_content) do
+          <<~TOML
+            [tools]
+            ruby = "#{version}"
+          TOML
+        end
+
+        it_behaves_like "it stores the ruby version"
+      end
+
       context "with a .tool-versions file format" do
         let(:file) { ".tool-versions" }
         let(:ruby_version_arg) { nil }