Add new CODEOWNERS and create backup of the existing file in main branch #154

	name: Ruby

	on: [push, pull_request]

	jobs:
	build:
	name: Ruby ${{ matrix.ruby }}, ActiveRecord ${{ matrix.activerecord }}
	runs-on: ubuntu-latest
	strategy:
	matrix:
	ruby:
	- 2.7
	- 2.6
	- 2.5
	- 3.0
	activerecord:
	- '~> 6'
	- '~> 5'
	- '~> 4'
	exclude:
	- ruby: 2.7
	activerecord: '~> 4'
	- ruby: 3.0
	activerecord: '~> 4'
	- ruby: 3.0
	activerecord: '~> 5'
	env:
	DATABASE_URL_MYSQL2: 'mysql2://root:root@127.0.0.1:3306'
	DATABASE_URL_POSTGRESQL: 'postgresql://root:root@127.0.0.1:5432'
	ACTIVE_RECORD_VERSION: ${{ matrix.activerecord }}
	steps:
	- uses: actions/checkout@v2
	- name: Set up Ruby
	uses: ruby/setup-ruby@v1
	with:
	ruby-version: ${{ matrix.ruby }}
	- name: install gems
	run: \|
	gem install bundler
	bundle install
	- name: Typecheck
	run: \|
	bundle exec srb tc
	- name: Create databases
	run: \|
	sudo systemctl start mysql.service
	sudo systemctl start postgresql.service
	echo "create user root password 'root';" >> /tmp/create_user.sql
	echo "ALTER ROLE root WITH CREATEDB;" >> /tmp/create_user.sql
	sudo su postgres -c 'psql --file=/tmp/create_user.sql'
	sudo su postgres -c 'createdb root'
	bundle exec rake db:drop db:create db:migrate
	ADAPTER=postgresql bundle exec rake db:drop db:create db:migrate
	- name: Tests for mysql2
	run: \|
	bundle exec rspec
	- name: Tests for postgresql
	run: \|
	ADAPTER=postgresql bundle exec rspec

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