Set ENV["TESTOPTS"] with "-v" when verbose is called. Doing that -v and --verbose options will work as expected

Assert ENV

Author: kaiquekandykoga

lib/rake/file_utils_ext.rb

@@ -53,6 +53,7 @@ def #{name}(*args, **options, &block)
     def verbose(value=nil)
       oldvalue = FileUtilsExt.verbose_flag
       FileUtilsExt.verbose_flag = value unless value.nil?
+      ENV["TESTOPTS"] = "-v" if value
       if block_given?
         begin
           yield

test/test_rake_file_utils.rb

@@ -12,6 +12,7 @@ def teardown
     FileUtils::LN_SUPPORTED[0] = true
     RakeFileUtils.verbose_flag = Rake::FileUtilsExt::DEFAULT
     ENV["RAKE_TEST_SH"] = @rake_test_sh
+    ENV["TESTOPTS"] = nil
 
     super
   end
@@ -106,8 +107,13 @@ def test_safe_ln_fails_on_script_error
   def test_verbose
     verbose true
     assert_equal true, verbose
+    assert_equal '-v', ENV['TESTOPTS']
+
+    ENV['TESTOPTS'] = nil
     verbose false
     assert_equal false, verbose
+    assert_equal nil, ENV['TESTOPTS']
+
     verbose(true) {
       assert_equal true, verbose
     }