Run Rubocop across the codebase #46

	name: CI

	on:
	push:
	paths:
	- '**.el'
	- '**.rb'
	- '**ci.yml'
	- 'Rakefile'
	- 'Makefile'
	- 'Gemfile'
	- 'Gemfile.lock'
	branches:
	- master
	- drop_compat

	pull_request:
	paths:
	- '**.el'
	- '**.rb'
	- '**ci.yml'
	- 'Rakefile'
	- 'Makefile'
	- 'Gemfile'
	- 'Gemfile.lock'
	branches:
	- master

	jobs:
	rspec:
	runs-on: ubuntu-latest
	env:
	BUNDLE_WITHOUT: metrics
	continue-on-error: ${{ matrix.experimental }}

	strategy:
	fail-fast: false
	matrix:
	ruby: [2.3, 2.4, 2.5, 2.6, 2.7, '3.0', 3.1, 3.2, 3.3]
	experimental: [false]
	include:
	- ruby: head
	experimental: true
	- ruby: jruby-head
	experimental: true

	steps:
	- name: Checkout Robe
	uses: actions/checkout@v2

	- name: Setup Ruby
	uses: ruby/setup-ruby@v1
	with:
	ruby-version: ${{ matrix.ruby }}
	bundler-cache: true

	- name: Run Ruby tests
	run: bundle exec rake spec

	ert:
	runs-on: ubuntu-latest

	strategy:
	fail-fast: false
	matrix:
	emacs_version: [26.3, 27.2, 28.1, 29.2, snapshot]

	steps:
	- name: Setup Emacs
	uses: purcell/setup-emacs@master
	with:
	version: ${{ matrix.emacs_version }}

	- name: Checkout Robe
	uses: actions/checkout@v2

	- name: Install inf-ruby
	run: make deps

	- name: Run Emacs tests
	run: make ert

Provide feedback