Merge pull request #392 from DiamondLightSource/fix-pipfile #190

	name: Docs CI

	on:
	push:
	branches:
	# Add more branches here to publish docs from other branches
	- master
	- main
	tags:
	- "*"
	pull_request:

	jobs:
	build:
	name: "Docs CI"
	runs-on: ubuntu-latest

	steps:
	- name: Checkout Source
	uses: actions/checkout@v2
	with:
	# require history to get back to last tag for version number of branches
	fetch-depth: 0

	- name: Set up Python
	uses: actions/setup-python@v2
	with:
	python-version: "3.7"

	- name: Install Packages
	run: sudo apt-get install graphviz

	- name: Install Python Dependencies
	run: \|
	pip install pipenv
	pipenv install --dev --deploy --python $(which python) && pipenv graph

	- name: Build Docs
	run: pipenv run docs

	- name: Move to versioned directory
	# e.g. master or 0.1.2
	run: mv build/html ".github/pages/${GITHUB_REF##*/}"

	- name: Avoid git conflicts when tag and branch pushed at same time
	if: startsWith(github.ref, 'refs/tags')
	run: sleep 60

	- name: Publish Docs to gh-pages
	if: github.event_name == 'push'
	# We pin to the SHA, not the tag, for security reasons.
	# https://docs.github.com/en/actions/learn-github-actions/security-hardening-for-github-actions#using-third-party-actions
	uses: peaceiris/actions-gh-pages@068dc23d9710f1ba62e86896f84735d869951305 # v3.8.0
	with:
	github_token: ${{ secrets.GITHUB_TOKEN }}
	publish_dir: .github/pages
	keep_files: true

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