Merge pull request #96 from trifork/fix-empty-volumes #48

	name: Release to GHCR

	on:
	push:
	branches:
	- main
	workflow_dispatch: {}

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

	jobs:
	release-helm-chart:
	name: Release Helm Chart
	runs-on: ubuntu-latest
	timeout-minutes: 10
	steps:
	- uses: actions/checkout@c85c95e3d7251135ab7dc9ce3241c5835cc595a9 # v3
	with:
	fetch-depth: 2

	- name: Login to container registry
	run: \|
	echo "${{ secrets.GITHUB_TOKEN }}" \| docker login ghcr.io -u ${{ github.actor }} --password-stdin

	- name: Pushing Helm Chart
	run: \|
	prev_rev=$(git rev-parse HEAD^)
	echo "Identifying changed charts since git rev ${prev_rev}"

	changed_charts=()
	readarray -t changed_charts <<< "$(git diff --find-renames --diff-filter=d --name-only "$prev_rev" -- charts \| cut -d '/' -f 2 \| uniq)"

	if [[ -n "${changed_charts[*]}" ]]; then
	for chart in "${changed_charts[@]}"; do
	#echo "Updating dependencies for '$chart'..."
	helm dependency update "charts/$chart"
	# create chart package for chart `CHART`
	helm package charts/$chart
	# get packed chart file name
	PKG_NAME=`ls $chart-*.tgz`
	# push chart to registry
	helm push ${PKG_NAME} oci://ghcr.io/${GITHUB_REPOSITORY}
	# remove chart package
	rm ${PKG_NAME}
	done
	else
	echo "No chart changes detected"
	fi

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