Build documentation for offline usage #173

	name: Build documentation for offline usage
	on:
	workflow_dispatch:
	schedule:
	# Every week on Monday at midnight (UTC).
	# This keeps the generated HTML documentation fresh.
	- cron: '0 0 * * 1'

	jobs:
	build:
	runs-on: ubuntu-20.04
	strategy:
	matrix:
	branch:
	- master
	- stable
	steps:
	- uses: actions/checkout@v3
	with:
	ref: ${{ matrix.branch }}

	- name: Install dependencies
	run: \|
	sudo pip3 install -r requirements.txt
	sudo pip3 install codespell

	- name: Sphinx build HTML
	run: make SPHINXOPTS='--color' html

	- uses: actions/upload-artifact@v3
	with:
	name: godot-docs-html-${{ matrix.branch }}
	path: _build/html
	# Keep the current build and the previous build (in case a scheduled build failed).
	# This makes it more likely to have at least one successful build available at all times.
	retention-days: 15

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