Add ability for parallel Jenkins multi-arch builds #429

	name: CI

	on:
	pull_request:
	push:
	schedule:
	- cron: 0 0 * * 0
	workflow_dispatch:

	permissions:
	contents: read

	defaults:
	run:
	shell: 'bash -Eeuo pipefail -x {0}'

	jobs:
	test:
	name: Smoke Test
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	- name: Install Bashbrew
	run: \|
	# not doing "uses: docker-library/bashbrew@xxx" because it'll build which is slow and we don't need more than just bashbrew here
	mkdir .bin
	wget --timeout=5 -O .bin/bashbrew 'https://github.com/docker-library/bashbrew/releases/download/v0.1.11/bashbrew-amd64'
	echo '6203635644d0efef2886f8ea9c487995a7abc4166db7a4773e94f89c943a4b04 *.bin/bashbrew' \| sha256sum --strict --check -
	chmod +x .bin/bashbrew
	.bin/bashbrew --version
	echo "$PWD/.bin" >> "$GITHUB_PATH"
	- run: .test/test.sh --deploy
	- uses: actions/upload-artifact@v4
	with:
	name: coverage
	path: \|
	.test/.coverage/coverage.*
	.test/.coverage/GOCOVERDIR/
	include-hidden-files: true
	if-no-files-found: error
	- name: gofmt
	run: find -name '*.go' -type f -exec ./.go-env.sh gofmt -l -s -w '{}' +
	- run: git diff --exit-code
	# TODO download latest coverage artifacts from HEAD / PR target to emulate Codecov but without another flaky third-party service that's begging for write-access to all our repositories via a GitHub App? 👀

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