name: Package and publish helm chart

on:
  push:
    # Pattern matched against refs/tags
    tags:
      - '**'           # Push events to every tag including hierarchical tags like v1.0/beta
jobs:
  package-helm:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3
        name: Check out code

      - name: Set up Helm
        uses: azure/setup-helm@v4.2.0
        with:
          version: v3.14.4

      - name: Get package name
        id: chart_name
        uses: mikefarah/yq@master
        with:
          cmd: yq .name Chart.yaml

      - name: Get package version
        id: chart_version
        uses: mikefarah/yq@master
        with:
          cmd: yq .version Chart.yaml

      - name: build helm package
        shell: bash
        env:
          REPO_PASSWORD: ${{ secrets.REPO_PASSWORD }}
          REPO_USERNAME: ${{ secrets.REPO_USERNAME }}
          REPO_HOST: ${{ secrets.REPO_HOST }}
          CHART_NAME: ${{ steps.chart_name.outputs.result }}
          CHART_VERSION: ${{ steps.chart_version.outputs.result }}
        run: |
          REPO_PATH=$(git rev-parse --show-toplevel)
          mkdir /tmp/build
          cd /tmp/build
          helm package $REPO_PATH
          helm registry login --username $REPO_USERNAME --password $REPO_PASSWORD $REPO_HOST
          helm push ${CHART_NAME}-${CHART_VERSION}.tgz oci://$REPO_HOST/helm