Pass in `--local` when doing `gem install` for local gems.
refactor Routing::Mapper
test PATCH method for update action in generated scaffold controller test rather than PUT
Merge pull request #8714 from utkarshkukreti/faster-gem-install

Pass in `--local` when doing `gem install` for local gems. [ci skip]
Merge pull request #8715 from goshakkk/refactor-mapper

Refactor Routing::Mapper#matches?
Merge pull request #8717 from amatsuda/scaffold_controller_test_patch

test PATCH method for update action in generated scaffold controller test rather than PUT