feat(charts): add charts publisher (#180) #10

	name: Release Charts

	on:
	workflow_dispatch:
	push:
	branches:
	- main
	paths:
	- "charts/*/Chart.yaml"

	jobs:
	release:
	# depending on default permission settings for your org (contents being read-only or read-write for workloads), you will have to add permissions
	# see: https://docs.github.com/en/actions/security-guides/automatic-token-authentication#modifying-the-permissions-for-the-github_token
	permissions:
	contents: read
	packages: write

	runs-on: ubuntu-latest
	steps:
	- name: Checkout
	uses: actions/checkout@v4
	with:
	fetch-depth: 0

	- name: Configure Git
	run: \|
	git config user.name "$GITHUB_ACTOR"
	git config user.email "[email protected]"

	- name: Install Helm
	uses: azure/setup-helm@v4
	with:
	version: v3.16.0

	- name: Release charts
	working-directory: charts
	run: \|
	echo "${{ github.token }}" \| docker login ghcr.io -u ${{ github.actor }} --password-stdin

	for chart in cloudevents-server dl publisher; do
	CHART_VERSION=$(grep 'version:' $chart/Chart.yaml \| tail -n1 \| awk '{ print $2 }')
	if helm show values oci://ghcr.io/pingcap-qe/ee-apps/charts/$chart --version $CHART_VERSION > /dev/null; then
	echo "chart '$chart' has no new version, skip publish."
	else
	helm package $chart
	helm push $chart-${CHART_VERSION}.tgz oci://ghcr.io/pingcap-qe/ee-apps/charts
	fi
	done

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