release-charts.yaml

name: Release charts
on:
  push:
    branches:
      - master
    paths:
      - 'charts/**'
  workflow_dispatch:
jobs:
  bump-versions:
    runs-on: ubuntu-latest
    steps:
    - name: Checkout
      uses: actions/checkout@v3
      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: Bump cnrm-chart
      uses: ./.github/actions/bumpVersionAction
      with:
        chart: cnrm-chart

    - name: Push Results
      id: pushResults
      run: |
        if git merge-base --is-ancestor HEAD @{u} ; then
          echo "publish=false" >> $GITHUB_OUTPUT
          echo "No push necessary"
        else
          echo "Version bumps happened. Pushing now..."
          git push
          echo "publish=true" >> $GITHUB_OUTPUT
        fi
    outputs:
      publish: ${{ steps.pushResults.outputs.publish }}

  delete-old-releases:
    runs-on: ubuntu-latest
    needs:
      - bump-versions
    if: needs.bump-versions.outputs.publish == 'true'
    steps:
      - name: Delete Older Releases
        uses: dev-drprasad/delete-older-releases@v0.2.1
        with:
          keep_latest: 3
          delete_tags: true
        env:
          GITHUB_TOKEN: "${{ secrets.GITHUB_TOKEN }}"

  chart-releaser:
    runs-on: ubuntu-latest
    needs:
      - bump-versions
      - delete-old-releases
    if: needs.bump-versions.outputs.publish == 'true'
    steps:
      - name: Checkout
        uses: actions/checkout@v3
        with:
          fetch-depth: 0

      - name: Configure Git
        run: |
          git config user.name "$GITHUB_ACTOR"
          git config user.email "$GITHUB_ACTOR@users.noreply.github.com"
          git pull

      - name: Install Helm
        uses: azure/setup-helm@v3
        env:
          GITHUB_TOKEN: "${{ secrets.GITHUB_TOKEN }}"

      - name: Run chart-releaser
        uses: helm/chart-releaser-action@v1.5.0
        with:
          charts_dir: charts
        env:
          CR_TOKEN: "${{ secrets.GITHUB_TOKEN }}"
          CR_RELEASE_NOTES_FILE: "CHANGELOG.md"