minor fix #106

	name: Documentation

	on:
	push:
	branches:
	- main
	- 'releases/**'
	tags:
	- 'ravl-*'
	- 'v*'
	pull_request:

	jobs:
	build:
	name: Sphinx Build
	runs-on: ubuntu-latest

	steps:
	- name: Check out sources
	uses: actions/checkout@v1
	- name: Install dependencies
	run: \|
	sudo apt-get install doxygen python3 graphviz
	cd doc
	python3 -m pip install pip -U
	python3 -m pip install setuptools -U
	python3 -m pip install -r requirements.txt
	- name: Sphinx build
	run: python3 -m sphinx -b html doc doc/build --keep-going
	- name: Commit documentation changes
	if: ${{ ! github.base_ref }}
	run: \|
	git clone https://wintersteiger:${{ secrets.GITHUB_TOKEN }}@github.com/microsoft/ravl.git --branch gh-pages --single-branch gh-pages
	mkdir -p gh-pages/${GITHUB_REF#refs/heads/}
	cp -r doc/build/* gh-pages/${GITHUB_REF#refs/heads/}
	cd gh-pages
	git config --local user.email "[email protected]"
	git config --local user.name "GitHub Action"
	touch .nojekyll
	git add .
	git commit -m "Update documentation" -a \|\| true
	# The above command will fail if no changes were present, so we ignore
	# the return code.
	- name: Push changes
	uses: ad-m/github-push-action@master
	if: ${{ ! github.base_ref }}
	with:
	branch: gh-pages
	directory: gh-pages
	github_token: ${{ secrets.GITHUB_TOKEN }}

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