build-helm-chart-release.yaml

name: Release Charts

on:
  # push:
  #   branches:
  #     - main
  #   paths:
  #     - 'charts/**'
  #     # - 'README.md'
  workflow_dispatch:
    inputs:
      version_part:
        description: 'Which part of the version to increment? (major, minor, patch)'
        required: true
        default: 'patch'

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

      - name: Configure Git
        run: |
          git config user.name "$GITHUB_ACTOR"
          git config user.email "$GITHUB_ACTOR@users.noreply.github.com"
      
      - name: Set up Python
        uses: actions/setup-python@v5
        with:
          python-version: 3.x

      - name: Install Python dependencies
        run: pip install pyyaml yq

      - name: Update SemVer in config.yaml
        run: python .github/workflows/update_version.py ${{ github.event.inputs.version_part }}

      - name: Get latest release version
        id: get_latest_release
        run: |
          VERSION=$(yq '.version' charts/home-assistant/Chart.yaml)
          echo "VERSION=$VERSION" >> $GITHUB_ENV
          echo "Version: $VERSION"
          
      - name: Merge README.md files using diff3
        run: |
          # Ensure both README.md files are present
          if [ ! -f README.md ]; then
            echo "Root README.md does not exist."
            exit 1
          fi
          if [ ! -f charts/home-assistant/README.md ]; then
            echo "charts/home-assistant/README.md does not exist. Creating an empty file."
            touch charts/home-assistant/README.md
          fi

          # Create a base file (empty or a common ancestor if available)
          touch baseREADME.md

          # Show content of both files for debugging
          echo "Content of root README.md:"
          cat README.md
          echo "-------------------"
          echo "Content of charts/home-assistant/README.md:"
          cat charts/home-assistant/README.md
          echo "-------------------"

          # Attempt to auto-merge using diff3
          diff3 -m baseREADME.md README.md charts/home-assistant/README.md > mergedREADME.md || true
          DIFF3_EXIT_CODE=$?

          if [ $DIFF3_EXIT_CODE -eq 0 ]; then
            echo "Merge successful without conflicts."
            mv mergedREADME.md charts/home-assistant/README.md
          else
            echo "Using root README.md as the source of truth"
            cp README.md charts/home-assistant/README.md
          fi


      - name: Commit latest release version
        run: |
          git add charts/home-assistant/Chart.yaml
          git add charts/home-assistant/README.md
          git commit -m "Released version ${{ env.VERSION }} of the helm chart"
          git push

      - name: Install Helm
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        uses: azure/setup-helm@v4

      - name: Run chart-releaser
        uses: helm/chart-releaser-action@v1.6.0
        env:
          CR_TOKEN: ${{ secrets.REPO_SCOPED_TOKEN }}