Merge pull request #1119 from lean-ja/Seasawher/issue1118 #1180

	name: Link Check and Deploy

	on:
	pull_request:
	branches:
	- main
	push:
	branches:
	- main
	workflow_dispatch:

	# Sets permissions of the GITHUB_TOKEN to allow deployment to GitHub Pages
	permissions:
	contents: read
	pages: write
	id-token: write

	# Allow only one concurrent deployment, skipping runs queued between the run in-progress and latest queued.
	# However, do NOT cancel in-progress runs as we want to allow these production deployments to complete.
	concurrency:
	group: "pages"
	cancel-in-progress: false

	jobs:
	build_html:
	runs-on: ubuntu-latest
	steps:
	- name: Checkout
	uses: actions/checkout@v4

	- name: Install elan
	run: \|
	curl https://raw.githubusercontent.com/leanprover/elan/master/elan-init.sh -sSf \| sh -s -- -y --default-toolchain none
	echo "$HOME/.elan/bin" >> $GITHUB_PATH

	- name: Setup mdBook
	uses: peaceiris/actions-mdbook@v2
	with:
	mdbook-version: '0.4.35'

	- name: install mdbook-admonish
	uses: baptiste0928/cargo-install@v3
	with:
	crate: mdbook-admonish
	version: '1.18.0'

	- name: build markdown
	run: lake run build

	- name: Run Link Checker
	uses: lycheeverse/[email protected]
	with:
	fail: true
	args: --base book .

	- name: Upload artifact
	uses: actions/upload-pages-artifact@v3
	with:
	path: ./book

	deploy:
	if: github.ref == 'refs/heads/main'
	environment:
	name: github-pages
	url: ${{ steps.deployment.outputs.page_url }}
	runs-on: ubuntu-latest
	needs: build_html
	steps:
	- name: Deploy to GitHub Pages
	id: deployment
	uses: actions/deploy-pages@v4

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