Check URLs with Lychee #303

	name: Check URLs with Lychee

	on:
	push:
	branches:
	- main
	- develop
	pull_request:
	schedule:
	# Run everyday at 3 am UTC
	- cron: "0 3 * * *"

	jobs:
	linkChecker:
	runs-on: ubuntu-latest
	steps:

	# cache Lychee results to avoid hitting rate limits
	- name: Restore lychee cache
	uses: actions/cache@1bd1e32a3bdc45362d1e726936510720a7c30a57 # v4.2.0
	with:
	path: .lycheecache
	key: cache-lychee-${{ github.sha }}
	restore-keys: cache-lychee-

	# check URLs with Lychee
	- uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2

	# use stable version for now to avoid breaking changes
	- name: Lychee URL checker
	uses: lycheeverse/lychee-action@f81112d0d2814ded911bd23e3beaa9dda9093915 # v2.1.0
	with:
	# arguments with file types to check
	args: >-
	--cache
	--no-progress
	--max-cache-age 2d
	--timeout 10
	--max-retries 5
	--skip-missing
	--exclude-loopback
	--exclude https://twitter.com/pybamm_
	--exclude "https://doi\.org\|www.sciencedirect\.com/*"
	--exclude https://www.rse.ox.ac.uk
	--accept 200,429
	--exclude-path ./CHANGELOG.md
	--exclude-path ./scripts/update_version.py
	--exclude-path asv.conf.json
	--exclude-path docs/conf.py
	--exclude-path all_contributors.md
	'./*/.rst'
	'./*/.md'
	'./*/.py'
	'./*/.ipynb'
	'./*/.json'
	'./*/.toml'
	# fail the action on broken links
	fail: true
	jobSummary: true
	format: markdown
	env:
	# to be used in case rate limits are surpassed
	GITHUB_TOKEN: ${{secrets.GITHUB_TOKEN}}

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