fixes #824 (#1019) #1777

	on:
	push:
	branches:
	- master

	# kill any builds still running from older commits
	concurrency:
	group: deploy-pages
	cancel-in-progress: true

	jobs:
	deploy:
	runs-on: ubuntu-20.04
	steps:
	- uses: actions/checkout@master
	- name: Use Node.js
	uses: actions/setup-node@v2-beta
	with:
	node-version: '14'
	- name: Install pandoc
	run: \|
	URL="https://github.com/jgm/pandoc/releases/download/2.14.0.1/pandoc-2.14.0.1-1-amd64.deb"
	wget $URL -O /tmp/pandoc.deb
	sudo dpkg -i /tmp/pandoc.deb
	# The above script adapted from https://gist.github.com/rossant/8b751a15d71d6d9403a8
	- name: Install TeX Live and Inkscape
	run: \|
	sudo apt-get update -y
	sudo apt-get install -y texlive texlive-fonts-extra latexmk
	- name: Get yarn cache directory path
	id: yarn-cache-dir-path
	run: echo "::set-output name=dir::$(yarn cache dir)"
	- uses: actions/cache@v2
	id: yarn-cache
	with:
	path: ${{ steps.yarn-cache-dir-path.outputs.dir }}
	key: ${{ runner.os }}-yarn-${{ hashFiles('**/yarn.lock') }}
	restore-keys: \|
	${{ runner.os }}-yarn-
	- name: Fetch Yarn dependencies
	run: \|
	yarn install
	- name: Build
	run: \|
	set -euxo pipefail
	yarn run pdf \|\| (cat latex_pdf/sicpjs.log && false)
	yarn run split
	yarn run js
	yarn run json
	- name: Package
	run: \|
	yarn run prepare
	find docs_out -name .gitignore -delete -print
	- name: Deploy
	uses: peaceiris/actions-gh-pages@v3
	with:
	github_token: ${{ secrets.GITHUB_TOKEN }}
	publish_dir: ./docs_out
	cname: sicp.sourceacademy.org
	force_orphan: true

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