Build and publish docs #1234

	name: Build and publish docs

	on:
	schedule:
	# once per day
	- cron: "0 0 * * *"
	# run manually from the GitHub Actions webpage
	workflow_dispatch:

	env:
	CARGO_TERM_COLOR: always

	jobs:
	build:
	runs-on: ubuntu-latest
	steps:
	- name: Checkout
	uses: actions/checkout@v3
	with:
	path: pages
	- name: Checkout shadow/shadow
	uses: actions/checkout@v3
	with:
	path: shadow
	repository: shadow/shadow
	- name: Upgrade cargo/rust
	run: rustup update
	- name: Build rustdoc
	run: \|
	# don't build docs for shadow's tests
	(cd shadow/src && cargo doc --workspace --exclude shadow-tests)
	# rebuild docs for main shadow crate, but with custom version string (shown at top-left of webpage)
	(cd shadow/src/main && RUSTDOCFLAGS="--crate-version $(git rev-parse --short HEAD)" cargo rustdoc)
	- name: Copy rustdoc
	run: \|
	rm -rf pages/docs
	mkdir pages/docs
	mv shadow/src/target/doc pages/docs/rust
	echo '<meta http-equiv="refresh" content="0; url=/docs/rust/shadow_rs/">' > pages/docs/rust/index.html
	- name: Build guide
	run: \|
	cargo install --vers "^0.4" mdbook
	mdbook build --dest-dir ../../pages/docs/guide shadow/mdbook
	echo '<meta http-equiv="refresh" content="0; url=/docs/guide/">' > pages/docs/index.html
	- name: Commit
	run: \|
	COMMIT="$(cd shadow && git rev-parse --short HEAD)"
	cd pages
	git config user.name github-actions
	git config user.email [email protected]
	git add .
	git diff-index --quiet HEAD \|\| git commit -m "Generated docs for shadow/shadow@$COMMIT"
	git push

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