Use Pixi for environment and task management #12

	name: GH Actions Lints
	on:
	push:
	branches:
	- main
	pull_request:
	branches:
	- main

	concurrency:
	# Specific group naming so CI is only cancelled
	# within same PR or on merge to main
	group: ${{ github.ref }}-${{ github.head_ref }}-${{ github.workflow }}
	cancel-in-progress: true

	defaults:
	run:
	shell: bash -l {0}

	jobs:
	tests:
	if: "github.repository == 'openforcefield/openff-pablo'"
	runs-on: ${{ matrix.os }}
	strategy:
	fail-fast: false
	matrix:
	os: [ubuntu-latest, macos-latest]

	steps:
	- uses: actions/checkout@v4
	with:
	fetch-depth: 0

	- name: Build information
	run: \|
	uname -a
	df -h
	ulimit -a

	- uses: prefix-dev/setup-pixi@v0.8.0
	with:
	pixi-version: v0.40.3
	activate-environment: lint

	- run: ruff check openff

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