documentation #101

	name: documentation

	permissions:
	contents: read
	pages: write
	id-token: write

	on:
	push:
	branches:
	- main
	schedule:
	- cron: '0 18 * * *'

	jobs:
	generate:
	name: Generate pre-release documentation
	runs-on: ubuntu-latest
	steps:
	- name: Checkout sources
	uses: actions/checkout@v4
	with:
	persist-credentials: false

	- name: Install rust toolchain
	uses: dtolnay/rust-toolchain@nightly

	- name: Generate version information
	run: \|
	echo >tag.html \
	"<script>var version = document.querySelector(\"span.version\");" \
	"version.innerHTML += \"<br>(pre-release docs from <tt>$GITHUB_REF</tt>)\";" \
	"version.title = \"commit $GITHUB_SHA\";" \
	"</script>"

	- name: cargo doc
	# keep features in sync with Cargo.toml `[package.metadata.docs.rs]` section
	run: cargo doc --locked --features read_buf,ring --no-deps --package rustls
	env:
	RUSTDOCFLAGS: -Dwarnings --cfg=docsrs --html-after-content tag.html

	- name: Massage rustdoc output
	run: \|
	# lockfile causes deployment step to go wrong, due to permissions
	rm -f target/doc/.lock
	# make resulting url be more sensible
	mv target/doc/rustls target/doc/prerelease

	- name: Package and upload artifact
	uses: actions/upload-pages-artifact@v3
	with:
	path: ./target/doc/

	deploy:
	name: Deploy
	runs-on: ubuntu-latest
	if: github.repository == 'rustls/rustls'
	needs: generate
	environment:
	name: github-pages
	url: ${{ steps.deployment.outputs.page_url }}prerelease/
	steps:
	- name: Deploy to GitHub Pages
	id: deployment
	uses: actions/deploy-pages@v4

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