Resolve https://github.com/gap-system/gap/issues/5761 #29

	name: CI

	# Trigger the workflow on push or pull request
	on:
	push:
	branches:
	- master
	pull_request:

	# the `concurrency` settings ensure that not too many CI jobs run in parallel
	concurrency:
	# group by workflow and ref; the last slightly strange component ensures that for pull
	# requests, we limit to 1 concurrent job, but for the master branch we don't
	group: ${{ github.workflow }}-${{ github.ref }}-${{ github.ref != 'refs/heads/master' \|\| github.run_number }}
	# Cancel intermediate builds, but only if it is a pull request build.
	cancel-in-progress: ${{ startsWith(github.ref, 'refs/pull/') }}

	jobs:
	# The CI test job
	test:
	name: ${{ matrix.gap-branch }}
	runs-on: ubuntu-latest
	strategy:
	fail-fast: false
	matrix:
	gap-branch:
	- master
	- stable-4.13
	- stable-4.12

	steps:
	- uses: actions/checkout@v3
	- name: 'Install additional dependencies'
	run: \|
	sudo apt-get update
	sudo apt-get install libcdd-dev
	- uses: gap-actions/setup-gap@v2
	with:
	GAPBRANCH: ${{ matrix.gap-branch }}
	- uses: gap-actions/build-pkg@v1
	- uses: gap-actions/run-pkg-tests@v2
	- uses: gap-actions/process-coverage@v2
	- uses: codecov/codecov-action@v3

	# The documentation job
	manual:
	name: Build manuals
	runs-on: ubuntu-latest

	steps:
	- uses: actions/checkout@v3
	- name: 'Install additional dependencies'
	run: \|
	sudo apt-get update
	sudo apt-get install libcdd-dev
	- uses: gap-actions/setup-gap@v2
	- uses: gap-actions/build-pkg-docs@v1
	with:
	use-latex: 'true'
	- name: 'Upload documentation'
	uses: actions/upload-artifact@v3
	with:
	name: manual
	path: ./doc/manual.pdf
	if-no-files-found: error

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