system with keyword argument works in recent JRuby

Author: nobu

test/helper.rb

@@ -29,7 +29,7 @@ class TaskManager
     include Rake::TaskManager
   end
 
-  RUBY = File.realpath(ENV["RUBY"] || Gem.ruby)
+  RUBY = (ENV["RUBY"] || Gem.ruby)
 
   def setup
     ARGV.clear
@@ -122,5 +122,9 @@ def jruby9?
     jruby? && (JRUBY_VERSION >= "9.0.0.0")
   end
 
+  def jruby90?
+    jruby? && JRUBY_VERSION.start_with?("9.0.")
+  end
+
   include RakefileDefinitions
 end

test/test_rake_file_utils.rb

@@ -181,7 +181,7 @@ def test_sh_with_multiple_arguments
   end
 
   def test_sh_with_spawn_options
-    omit "JRuby does not support spawn options" if jruby?
+    omit "JRuby does not support spawn options" if jruby90?
 
     echocommand
 
@@ -240,7 +240,7 @@ def test_sh_noop
   end
 
   def test_sh_chdir
-    omit "JRuby does not support spawn options" if jruby?
+    omit "JRuby does not support spawn options" if jruby90?
 
     Dir.mkdir "chdir_test"
     out, err = capture_output do
@@ -256,7 +256,7 @@ def test_sh_chdir
   def test_sh_bad_option
     # Skip on JRuby because option checking is performed by spawn via system
     # now.
-    omit "JRuby does not support spawn options" if jruby?
+    omit "JRuby does not support spawn options" if jruby90?
 
     shellcommand
 
@@ -401,7 +401,7 @@ def assert_echoes_fully
   end
 
   def test_ruby_with_multiple_arguments
-    omit if jruby9? # https://github.com/jruby/jruby/issues/3653
+    omit if jruby90? # https://github.com/jruby/jruby/issues/3653
 
     check_no_expansion