[rubygems/rubygems] Fix rake extension warning

rubygems/rubygems@04973e349c

Author: ntkme

lib/rubygems/specification_policy.rb

@@ -497,10 +497,10 @@ def validate_rust_extensions(builder) # :nodoc:
 
   def validate_rake_extensions(builder) # :nodoc:
     rake_extension = @specification.extensions.any? {|s| builder.builder_for(s) == Gem::Ext::RakeBuilder }
-    rake_dependency = @specification.dependencies.any? {|d| d.name == "rake" }
+    rake_dependency = @specification.dependencies.any? {|d| d.name == "rake" && d.type == :runtime }
 
     warning <<-WARNING if rake_extension && !rake_dependency
-You have specified rake based extension, but rake is not added as dependency. It is recommended to add rake as a dependency in gemspec since there's no guarantee rake will be already installed.
+You have specified rake based extension, but rake is not added as runtime dependency. It is recommended to add rake as a runtime dependency in gemspec since there's no guarantee rake will be already installed.
     WARNING
   end
 

test/rubygems/test_gem_specification.rb

@@ -2727,7 +2727,7 @@ def test_validate_rake_extension_have_rake_dependency_warning
         @a1.validate
       end
 
-      assert_match(/add rake as a dependency/, @ui.error)
+      assert_match(/add rake as a runtime dependency/, @ui.error)
     end
   end
 
@@ -2743,7 +2743,7 @@ def test_validate_rake_extension_have_rake_dependency_no_warning
         @a1.validate
       end
 
-      refute_match(/add rake as a dependency/, @ui.error)
+      refute_match(/add rake as a runtime dependency/, @ui.error)
     end
   end