[Collision] Do lookup only once #278

	name: CI of mc_rtc with Docker

	# This workflow checks the build-and-install script on base docker images

	on:
	push:
	paths-ignore:
	# Changes to those files don't mandate running CI
	- ".gitlab-ci.yml"
	- ".jrl-ci"
	- ".github/workflows/package.yml"
	- "debian/**"
	branches:
	- '**'
	pull_request:
	branches:
	- '**'

	jobs:
	build:
	strategy:
	fail-fast: false
	matrix:
	os: ["debian_buster", "ubuntu_22.04"]
	runs-on: ubuntu-20.04
	steps:
	- uses: actions/checkout@v2
	with:
	submodules: recursive
	- name: Free-up space
	run: \|
	sudo rm -rf /opt/hostedtoolcache/CodeQL
	sudo rm -rf /usr/local/lib/android
	- name: Build within Docker
	run: \|
	echo "::group::Setup Dockerfile"
	mkdir -p /tmp/mc-rtc-docker
	cp -r `pwd` /tmp/mc-rtc-docker/source
	cp .github/workflows/docker/Dockerfile.${{ matrix.os }} /tmp/mc-rtc-docker/Dockerfile
	cd /tmp/mc-rtc-docker
	echo "::endgroup::"
	echo "::group::Dockerfile used to build mc_rtc"
	cat Dockerfile
	echo "::endgroup::"
	echo "::group::Build base image"
	docker build -t mc-rtc-ci-${{matrix.os}} .
	echo "::endgroup::"
	echo "::group::Run install"
	docker run mc-rtc-ci-${{matrix.os}} /bin/bash -c 'cd /source/utils && ./build_and_install.sh --user-input false --build-benchmarks true --allow-root true'
	echo "::endgroup::"
	- name: Slack Notification
	if: failure()
	uses: archive/github-actions-slack@master
	with:
	slack-bot-user-oauth-access-token: ${{ secrets.SLACK_BOT_TOKEN }}
	slack-channel: '#ci'
	slack-text: >
	[mc_rtc] Build ${{ matrix.os }} failed on ${{ github.ref }}

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