CI: Run on Ubuntu 20.04 #290

	---

	name: CI

	on: [push]

	jobs:
	build:
	runs-on: ubuntu-20.04
	steps:
	- name: Checkout
	uses: actions/checkout@v2
	- name: Install Debian Packages
	run: \|
	sudo apt update
	sudo apt install -y flex libjson-glib-dev libxkbcommon-dev \
	libegl1-mesa-dev libxml2-dev libxslt1-dev libyaml-dev llvm-dev \
	libclang-dev libglib2.0-dev libepoxy-dev ninja-build
	- name: Setup Python
	uses: actions/setup-python@v1
	with:
	python-version: 3.5
	- name: Python Package Cache
	uses: actions/cache@v1
	with:
	path: ~/.cache/pip
	key: ${{ runner.os }}-pip-${{ hashFiles('.github/workflows/ci.yml') }}
	restore-keys: ${{ runner.os }}-pip-
	- name: Install Python Packages
	run: \|
	python -m pip install --upgrade pip setuptools wheel
	HOTDOC_BUILD_C_EXTENSION=enabled pip install hotdoc meson==0.49
	- name: Fetch libwpe
	run: \|
	if [[ -d ~/libwpe/.git ]] ; then
	echo 'Updating libwpe clone...'
	cd ~/libwpe/
	git reset --hard
	git clean -qxdff
	git checkout -f master
	git pull -q
	else
	echo 'Cloning libwpe afresh...'
	rm -rf ~/libwpe/
	git clone -q https://github.com/WebPlatformForEmbedded/libwpe ~/libwpe/
	fi
	mkdir -p subprojects
	ln -s ~/libwpe subprojects/
	- name: Configure
	run: \|
	mkdir -p _work && meson _work/build --prefix /usr -Dbuild_docs=true
	- name: Build
	run: TERM=dumb ninja -C _work/build
	- name: Install
	run: \|
	DESTDIR="$(pwd)/_work/files" ninja -C _work/build install
	- name: Archive Artifacts
	uses: actions/upload-artifact@v1
	with:
	name: build
	path: _work

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