Set up a minimal CI #16

	name: Linters

	on:
	push:
	branches:
	- main
	tags:
	- 'v*'
	pull_request:
	branches:
	- '*'

	jobs:
	lint-git:
	runs-on: ubuntu-latest
	if: github.event_name == 'pull_request' # Makes sense only for pull requests
	steps:
	- name: Checkout repository
	uses: actions/checkout@v2
	with:
	fetch-depth: 0
	- name: show
	run: git log
	- name: Check absence of fixup commits
	run: \|
	! git log \| grep 'fixup!'
	- name: Install gitlint
	run: pip install --user requests gitlint
	- name: Lint commit messages added to main
	run: ~/.local/bin/gitlint --commits origin/${{ github.event.pull_request.base.ref }}..HEAD

	lint:
	runs-on: ubuntu-latest

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

	- name: Set up Node.js
	uses: actions/setup-node@v3
	with:
	node-version: '20'

	- name: Install dependencies
	run: yarn install

	- name: Run linter over sources
	run: yarn lint

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