Nightly DNF CI host container build #886

	---
	name: Nightly DNF CI host container build
	on:
	schedule:
	- cron: '0 2 * * *' # at 2am UTC

	# allow to run the workflow manually from GitHub web interface
	workflow_dispatch:

	jobs:
	container-build:
	name: Container build
	runs-on: ubuntu-latest
	steps:
	- name: Build the container
	run: \|
	# hack: Github replaces secrets with *** in the whole output.
	# If there's a comment (#) at the end of the secret
	# (e.g. "rpm-sofware-management #"), this will clean it up and
	# since it is no longer the whole secret being printed, Github
	# won't hide it anymore.
	GHCR_USER=${{secrets.GHCR_USER}}

	if [ -z "$GHCR_USER" ]; then exit 0; fi

	DATE=`date "+%F"`
	IMAGE="ghcr.io/${GHCR_USER}/dnf-ci-host"

	echo ${{secrets.GITHUB_TOKEN}} \| docker login ghcr.io -u ${GHCR_USER} --password-stdin

	docker build -t ${IMAGE}:${DATE} -t ${IMAGE}:latest -<<EOF
	FROM fedora:latest
	RUN dnf -y update
	RUN dnf -y install dnf-plugins-core
	RUN dnf -y copr enable rpmsoftwaremanagement/rpm-gitoverlay
	RUN dnf -y install rpm-gitoverlay fuse-overlayfs parallel podman wget clang-tools-extra
	# needed for pre-commit hooks
	RUN dnf -y install git python3-pip rpmlint
	# needed for moving of PIDs in integration-tests
	RUN dnf -y install procps-ng
	RUN dnf clean all # remove dnf cache to make the image smaller
	EOF

	docker push ${IMAGE}:${DATE}
	docker push ${IMAGE}:latest

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