Introduce ruff, ditch flake8, black and friends #146

	name: Sanity checks

	on: [push]

	jobs:
	actionlint:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2
	- name: Download actionlint
	run: bash <(curl https://raw.githubusercontent.com/rhysd/actionlint/main/scripts/download-actionlint.bash) 1.6.21
	shell: bash
	- name: Check workflow files
	run: ./actionlint -color
	shell: bash

	pre-commit:
	runs-on: ubuntu-latest

	steps:
	- uses: actions/checkout@v2
	- uses: actions/setup-python@v4
	with:
	python-version: "3.12"
	- run: python -m pip install pre-commit
	- run: pre-commit run --all-files

	test:
	runs-on: ubuntu-latest

	steps:
	- uses: actions/checkout@v2
	- uses: actions/setup-python@v4
	with:
	python-version: "3.12"
	- run: python -m pip install cookiecutter pytest pyyaml
	- run: pytest

	lint-generated-project:
	runs-on: ubuntu-latest

	steps:
	- uses: actions/checkout@v2
	- uses: actions/setup-python@v4
	with:
	python-version: "3.12"
	- run: python -m pip install cookiecutter poetry
	- run: bash <(curl https://raw.githubusercontent.com/rhysd/actionlint/main/scripts/download-actionlint.bash) 1.6.21
	- name: Generate project
	run: \|
	cookiecutter --config-file tests/context.yaml --no-input .
	cd example-project/
	# actionlint needs a git repo in place
	git init
	git config user.email "gha@users.noreply.github.com"
	git config user.name "gha"
	git add .
	git commit -m "initial commit"
	- name: Lint workflows
	run: \|
	cd example-project
	../actionlint -color
	- name: Lint project
	run: \|
	cd example-project
	poetry install
	poetry run pre-commit run -a

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