build: Matrix strategy for release builds ([#7776]). #18

	---
	# https://docs.corelightning.org/docs/release-checklist
	name: "Release 🚀"
	on:
	push:
	# TODO: Remove after testing.
	branches:
	- 7776-release-builds-automation
	tags:
	- 'v[0-9]+.[0-9]+'
	- 'v[0-9]+.[0-9]+.[0-9]+'
	- 'v[0-9]+.[0-9]+[0-9a-z]+'
	workflow_dispatch:

	jobs:
	ubuntu-noble:
	name: Release
	runs-on: ubuntu-24.04
	strategy:
	fail-fast: false # Let each build finish.
	matrix:
	target:
	- 'bin-Fedora-28-amd64'
	- 'bin-Ubuntu-focal'
	- 'bin-Ubuntu-jammy'
	- 'bin-Ubuntu-noble'
	steps:
	- name: Git checkout
	uses: actions/checkout@v4
	with:
	fetch-tags: true

	- name: Validate release
	run: tools/check-release.sh

	# tools/build-release.sh requires lowdown
	- name: Prepare base environment
	run: \|
	sudo apt-get install -y lowdown
	./configure

	- name: Build environment setup
	run: \|
	distribution=$(echo ${{ matrix.target }} \| cut -d'-' -f3)
	echo "Building base image for ${distribution}"
	sudo docker run --rm -v $(pwd):/build ubuntu:${distribution} bash -c "\
	apt-get update && \
	apt-get install -y debootstrap && \
	debootstrap ${distribution} /build/${distribution}"
	sudo tar -C ${distribution} -c . \| docker import - ${distribution}

	# Build Docker image
	docker build -t cl-repro-${distribution} - < contrib/reprobuild/Dockerfile.${distribution}
	if: contains(matrix.target, 'Ubuntu')

	- name: Build release
	# TODO: Remove forced version after testing.
	run: tools/build-release.sh ${{ matrix.target }}

	- name: Upload release artifacts
	uses: actions/upload-artifact@v4
	with:
	path: release/
	name: ${{ matrix.target }}
	if-no-files-found: error

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