github: make use of LXD's actions/lp-snap-build in build job (5.21-ca… #1203

	name: Builds
	on:
	push:
	branches:
	- 5.21-candidate

	permissions:
	contents: read

	concurrency:
	group: ${{ github.workflow }}-${{ github.ref }}-${{ github.event_name }}
	cancel-in-progress: true

	jobs:
	snap:
	name: Trigger snap build
	runs-on: ubuntu-24.04
	if: ${{ github.repository == 'canonical/lxd-pkg-snap' && github.actor != 'dependabot[bot]' }}
	env:
	SSH_AUTH_SOCK: /tmp/ssh_agent.sock
	PACKAGE: "lxd"
	REPO: "git+ssh://[email protected]/~canonical-lxd/lxd"
	BRANCH: ${{ github.ref_name }}
	steps:
	- name: Checkout code
	uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2

	- uses: canonical/lxd/.github/actions/lp-snap-build@main
	with:
	ssh-key: "${{ secrets.LAUNCHPAD_LXD_BOT_KEY}}"

	- name: Trigger Launchpad snap build
	run: \|
	set -eux
	localRev="$(git rev-parse HEAD)"
	# XXX: `originVer` contains an array with the 2 versions
	originVer=($(lxd-snapcraft -package "${PACKAGE}" -get-version -file snapcraft.yaml))
	rsync -a --exclude .git --delete . ~/"${PACKAGE}-pkg-snap-lp"/
	cd ~/"${PACKAGE}-pkg-snap-lp"
	lxd-snapcraft -package lxd -set-version "${originVer[0]}-${localRev:0:7}" -set-source-commit ""
	git add --all
	git commit --all --quiet -s --allow-empty -m "Automatic upstream build (${BRANCH})" -m "Upstream commit: ${localRev}"
	git show
	git push --quiet

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