https://git.ruby-lang.org/ruby.git/commit/?id=afce7eb39e

From afce7eb39ec58f9ec65b3cf53059a4bc3bd58cbd Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?David=20Rodr=C3=ADguez?= <deivid.rodriguez@r...>
Date: Tue, 24 Mar 2020 12:54:22 +0100
Subject: Replace `Gem::Util.silent_system` with better tools


diff --git a/lib/rubygems/source/git.rb b/lib/rubygems/source/git.rb
index ec2c371..b76a068 100644
--- a/lib/rubygems/source/git.rb
+++ b/lib/rubygems/source/git.rb
@@ -103,9 +103,11 @@ class Gem::Source::Git < Gem::Source https://github.com/ruby/ruby/blob/trunk/lib/rubygems/source/git.rb#L103
 
       success = system @git, 'reset', '--quiet', '--hard', rev_parse
 
-      success &&=
-        Gem::Util.silent_system @git, 'submodule', 'update',
-               '--quiet', '--init', '--recursive' if @need_submodules
+      if @need_submodules
+        _, status = Open3.capture2e(@git, 'submodule', 'update', '--quiet', '--init', '--recursive')
+
+        success &&= status.success?
+      end
 
       success
     end
diff --git a/test/rubygems/test_gem_source_git.rb b/test/rubygems/test_gem_source_git.rb
index bcf97e3..393190c 100644
--- a/test/rubygems/test_gem_source_git.rb
+++ b/test/rubygems/test_gem_source_git.rb
@@ -69,8 +69,9 @@ class TestGemSourceGit < Gem::TestCase https://github.com/ruby/ruby/blob/trunk/test/rubygems/test_gem_source_git.rb#L69
     git_gem 'b'
 
     Dir.chdir 'git/a' do
-      Gem::Util.silent_system @git, 'submodule', '--quiet',
-                              'add', File.expand_path('../b'), 'b'
+      output, status = Open3.capture2e(@git, 'submodule', '--quiet', 'add', File.expand_path('../b'), 'b')
+      assert status.success?, output
+
       system @git, 'commit', '--quiet', '-m', 'add submodule b'
     end
 
-- 
cgit v0.10.2


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