fix bug #52

	# validate any chart changes under charts directory
	name: Chart Lint

	env:
	HELM_VERSION: v3.8.1
	KIND_VERSION: v0.14.0
	KIND_NODE_IMAGE: kindest/node:v1.26.0
	K8S_VERSION: v1.23.4

	on:
	push:
	pull_request:
	paths:
	- "charts/karmada/**"

	jobs:
	chart-lint-test:
	runs-on: ubuntu-20.04
	steps:
	- name: Checkout
	uses: actions/checkout@v3
	with:
	fetch-depth: 0

	- name: Set up Helm
	uses: azure/setup-helm@v3
	with:
	version: ${{ env.HELM_VERSION }}

	# Python is required because `ct lint` runs Yamale (https://github.com/23andMe/Yamale) and
	# yamllint (https://github.com/adrienverge/yamllint) which require Python
	- name: Set up Python
	uses: actions/setup-python@v4
	with:
	python-version: 3.8
	architecture: x64

	- name: Set up chart-testing
	uses: helm/[email protected]
	with:
	version: v3.6.0

	- name: Add dependency chart repos
	run: \|
	helm repo add bitnami https://charts.bitnami.com/bitnami

	- name: Run chart-testing (list-changed)
	id: list-changed
	run: \|
	changed=$( ct list-changed )
	if [[ -n "$changed" ]]; then
	echo "::set-output name=changed::true"
	fi

	- name: Run chart-testing (lint)
	run: ct lint --debug --check-version-increment=false

	- name: Create kind cluster
	uses: helm/[email protected]
	if: steps.list-changed.outputs.changed == 'true'
	with:
	wait: 120s
	version: ${{ env.KIND_VERSION }}
	node_image: ${{ env.KIND_NODE_IMAGE }}
	kubectl_version: ${{ env.K8S_VERSION }}

	- name: Run chart-testing (install)
	run: ct install --debug --helm-extra-args "--timeout 800s"

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