Update Charts README.md file from values metadata #4

	name: 'Update README from values.yaml metadata'

	on:
	pull_request:
	branches:
	- main
	paths:
	- "charts/**"

	permissions: {} # Remove all permissions by default

	jobs:
	update-readme-metadata:
	runs-on: ubuntu-latest
	permissions:
	contents: write
	steps:
	- name: Install readme-generator-for-helm
	run: npm install -g @bitnami/readme-generator-for-helm
	- uses: actions/checkout@v4
	with:
	fetch-depth: 0 # Necessary for getting a complete history for diffs

	- name: Get modified charts
	id: get-modified-charts
	run: \|
	paths=$(git diff --name-only origin/main... --name-only \| grep 'charts/.*/values.yaml' \| cut -d/ -f1,2 \| uniq \| tr '\n' ' ')
	echo "Modified charts: $paths"
	echo "paths=${paths}" >> $GITHUB_ENV # Using ENV as this is now within the same job

	- name: Execute readme-generator-for-helm
	if: env.paths != '' # Ensure there are paths to proceed
	run: \|
	IFS=' ' read -ra ADDR <<< "$paths"
	echo "Updating READMEs for modified charts: ${ADDR[@]}"
	for chart in "${ADDR[@]}"; do
	echo "Updating README.md for ${chart}"
	readme-generator --values "${chart}/values.yaml" --readme "${chart}/README.md"
	if [[ $? -ne 0 ]]; then
	echo "Error: Failed to update README for ${chart}"
	exit 1
	fi
	# fix schema for nullable
	# cat <<< $(jq '(..\|objects\|select(.nullable)).type \|= ["string","null"]' "${chart}/values.schema.json") > "${chart}/values.schema.json"
	done

	- name: Commit and Push Changes
	if: env.paths != '' # Only commit if there are changes
	uses: stefanzweifel/git-auto-commit-action@v5
	with:
	commit_message: Update README.md for modified charts

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