chore: Adapt meta.yml to v8.20 & Add dedicated CI test using coqorg/base #217

	# Beware not to destroy this file when regenerating it from meta.yml

	name: Docker CI

	on:
	# schedule:
	# - cron: '0 4 * * *'
	push:
	branches:
	- v8.20
	pull_request:
	branches:
	- '**'

	jobs:
	build:
	# the OS must be GNU/Linux to be able to use the docker-coq-action
	runs-on: ubuntu-latest
	strategy:
	matrix:
	coq_version:
	- '8.20.dev'
	image:
	# we can't use coqorg/coq images to test bignums
	# since these images already include coq-bignums
	- 'coqorg/base:4.13.1-flambda'
	fail-fast: false
	steps:
	- uses: actions/checkout@v3
	- uses: coq-community/docker-coq-action@v1
	with:
	opam_file: 'coq-bignums.opam'
	custom_image: ${{ matrix.image }}
	install: \|
	startGroup "Install coq and dependencies"
	sudo apt-get update -y -q
	opam remove -y coq-bignums \|\| true # remove coq-bignums if ever in image
	opam repository add --all-switches --set-default coq-extra-dev https://coq.inria.fr/opam/extra-dev # docker-coq
	opam repository add --all-switches --set-default coq-core-dev https://coq.inria.fr/opam/core-dev # docker-coq
	opam pin add -n -y -k version coq ${{ matrix.coq_version }} # docker-coq
	opam pin add -n -y -k path $PACKAGE.dev $WORKDIR
	opam update -y
	opam install --confirm-level=unsafe-yes -j 2 $PACKAGE --deps-only
	endGroup
	export: 'OPAMWITHTEST'
	env:
	OPAMWITHTEST: 'true'

	# See also:
	# https://github.com/coq-community/docker-coq-action#readme
	# https://github.com/erikmd/docker-coq-github-action-demo

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