generate-chart-readme.yaml

name: 'Update README 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 and values.schema.json for modified charts