Fix incompatible encodings error

Author: deivid-rodriguez

bundler/spec/commands/install_spec.rb

@@ -1218,6 +1218,35 @@ def run
     end
   end
 
+  describe "when configured path is UTF-8 and a file inside a gem package too", rubygems: ">= 3.5.23" do
+    let(:app_path) do
+      path = tmp("♥")
+      FileUtils.mkdir_p(path)
+      path
+    end
+
+    let(:path) do
+      root.join("vendor/bundle")
+    end
+
+    before do
+      build_repo4 do
+        build_gem "mygem" do |s|
+          s.write "spec/fixtures/_posts/2016-04-01-错误.html"
+        end
+      end
+    end
+
+    it "works" do
+      bundle "config path #{app_path}/vendor/bundle", dir: app_path
+
+      install_gemfile app_path.join("Gemfile"),<<~G, dir: app_path
+        source "https://gem.repo4"
+        gem "mygem", "1.0"
+      G
+    end
+  end
+
   context "after installing with --standalone" do
     before do
       install_gemfile <<-G

lib/rubygems/package.rb

@@ -421,7 +421,7 @@ def extract_tar_gz(io, destination_dir, pattern = "*") # :nodoc:
 
     open_tar_gz io do |tar|
       tar.each do |entry|
-        full_name = entry.full_name
+        full_name = entry.full_name.force_encoding(Encoding::UTF_8)
         next unless File.fnmatch pattern, full_name, File::FNM_DOTMATCH
 
         destination = install_location full_name, destination_dir