Merge pull request #947 from TomHall2020/function-docs #133

	name: Deploy website

	on:
	push:
	paths:
	- "docs/**"
	pull_request:
	paths:
	- "docs/**"

	jobs:
	gh-release:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2
	with:
	fetch-depth: 0
	- name: Install mdbook
	run: \|
	mkdir mdbook
	curl -sSL https://github.com/rust-lang/mdBook/releases/download/v0.4.14/mdbook-v0.4.14-x86_64-unknown-linux-gnu.tar.gz \| tar -xz --directory=./mdbook
	curl -sSL https://github.com/avitex/mdbook-tera/releases/download/v0.5.0/mdbook-tera-x86_64-unknown-linux-gnu.tar.gz \| tar -xz --directory=./mdbook
	curl -sSL https://github.com/badboy/mdbook-toc/releases/download/0.7.0/mdbook-toc-0.7.0-x86_64-unknown-linux-gnu.tar.gz \| tar -xz --directory=./mdbook
	echo `pwd`/mdbook >> $GITHUB_PATH
	echo `pwd`/mdbook-tera >> $GITHUB_PATH
	echo `pwd`/mdbook-toc >> $GITHUB_PATH
	- uses: webfactory/ssh-agent@v0.5.2
	with:
	ssh-private-key: ${{ secrets.GH_ACTIONS_KEY }}
	- name: Deploy Github Pages
	env:
	USE_SSH: true
	GIT_USER: git
	run: \|
	cd docs
	mdbook build
	git worktree add gh-pages gh-pages
	git config --global user.email "actions@github.com"
	git config --global user.name "gh-actions"
	cd gh-pages
	git update-ref -d refs/heads/gh-pages
	rm -rf *
	mv ../book/* .
	git add .
	git commit -m "Deploy $GITHUB_SHA to gh-pages"
	git push --force

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