build

Prepare release environment #45

	name: build

	on:
	pull_request:
	types: [opened, synchronize]
	merge_group:
	types: [checks_requested]
	push:
	# Always run on push to main. The build cache can only be reused
	# if it was saved by a run from the repository's default branch.
	# The run result will be identical to that from the merge queue
	# because the commit is identical, yet we need to perform it to
	# seed the build cache.
	branches:
	- main

	jobs:
	ci:
	strategy:
	fail-fast: false
	matrix:
	pyVersion: [ '3.10', '3.11', '3.12' ]
	runs-on: ubuntu-latest
	steps:
	- name: Checkout
	uses: actions/checkout@v3

	- name: Install Python
	uses: actions/setup-python@v4
	with:
	cache: 'pip'
	cache-dependency-path: '**/pyproject.toml'
	python-version: ${{ matrix.pyVersion }}

	- name: Run unit tests
	run: \|
	pip install hatch==1.7.0
	make test

	- name: Publish test coverage
	uses: codecov/codecov-action@v1

	fmt:
	runs-on: ubuntu-latest
	steps:
	- name: Checkout
	uses: actions/checkout@v3

	- name: Format all files
	run: make dev fmt

	- name: Fail on differences
	run: git diff --exit-code

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