[rubygems/rubygems] Don't remember --jobs flag

https://github.com/rubygems/rubygems/commit/9ab1136036

lib/bundler/settings.rb

@@ -46,6 +46,20 @@ module Bundler
       update_requires_all_flag
     ].freeze
 
+    REMEMBERED_KEYS = %w[
+      bin
+      cache_all
+      clean
+      deployment
+      frozen
+      no_prune
+      path
+      shebang
+      path.system
+      without
+      with
+    ].freeze
+
     NUMBER_KEYS = %w[
       jobs
       redirect
@@ -115,7 +129,7 @@ module Bundler
     end
 
     def set_command_option(key, value)
-      if Bundler.feature_flag.forget_cli_options?
+      if !is_remembered(key) || Bundler.feature_flag.forget_cli_options?
         temporary(key => value)
         value
       else
@@ -374,6 +388,10 @@ module Bundler
       ARRAY_KEYS.include?(self.class.key_to_s(key))
     end
 
+    def is_remembered(key)
+      REMEMBERED_KEYS.include?(self.class.key_to_s(key))
+    end
+
     def is_credential(key)
       key == "gem.push_key"
     end

spec/bundler/commands/install_spec.rb

@@ -1288,4 +1288,14 @@ RSpec.describe "bundle install with gem sources" do
       expect(err).to include("Could not find compatible versions")
     end
   end
+
+  context "when --jobs option given" do
+    before do
+      install_gemfile "source \"#{file_uri_for(gem_repo1)}\"", :jobs => 1
+    end
+
+    it "does not save the flag to config" do
+      expect(bundled_app(".bundle/config")).not_to exist
+    end
+  end
 end