Merge branch 'rust-osdev:main' into main #89

	name: Book
	on:
	push:
	branches: [main]
	tags: ['*']
	permissions:
	contents: write
	# Adapted from:
	# https://github.com/rust-lang/mdBook/wiki/Automated-Deployment%3A-GitHub-Actions#github-pages-deploy
	jobs:
	deploy:
	# if: github.repository == 'rust-osdev/uefi-rs'
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	with:
	fetch-depth: 0
	- name: Install mdbook
	run: \|
	mkdir mdbook
	curl -sSL https://github.com/rust-lang/mdBook/releases/download/v0.4.21/mdbook-v0.4.21-x86_64-unknown-linux-gnu.tar.gz \| tar -xz --directory=./mdbook
	echo `pwd`/mdbook >> $GITHUB_PATH
	- name: Deploy GitHub Pages
	run: \|
	# Configure git user so that `git commit` works.
	git config user.name "Deploy from CI"
	git config user.email ""

	# Get the highest `uefi` release tag.
	highest_tag="$(git tag --list \| grep uefi-v \| sort -V \| tail -1)"

	# Create a worktree for the tag.
	git worktree add wt-tag refs/tags/"${highest_tag}"

	# Create a worktree for the `gh-pages` branch.
	git worktree add wt-gh-pages gh-pages

	# Delete the ref to avoid keeping history.
	git -C wt-gh-pages update-ref -d refs/heads/gh-pages

	# Build the book for the tag. Don't use `--dest-dir` because it will
	# delete the destination directory including the worktree checkout's
	# ".git".
	mdbook build wt-tag/book
	# Copy output to the destination directory. Note the "/." is needed at
	# the end of the source path so that hidden files are included.
	cp -r wt-tag/book/book/. wt-gh-pages

	# Commit and push.
	cd wt-gh-pages
	git add .
	git commit -m "Deploy $GITHUB_SHA to gh-pages"
	git push --force

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