release-chart.yaml

name: Release Chart

on:
  push:
    branches:
      - main

jobs:
  release:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v3
        with:
          fetch-depth: 0

      - name: Configure Git
        run: |
          git config user.name blobbot-helm
          git config user.email blobbot-helm@github.com

      - name: Get chart.yaml verison
        id: chart_version
        run: |
          echo "CHART_VERSION=$(grep -o 'version: [0-9.]*' Chart.yaml | awk '{print $2}')" >> $GITHUB_OUTPUT

      - name: Check if tag exists
        id: tag_exists
        run: |
          if ! git show-ref --verify --quiet "refs/tags/chart-${{ steps.chart_version.outputs.CHART_VERSION }}"; then
              TAG_EXISTS=false
          else
              TAG_EXISTS=true
          fi

          echo "TAG_EXISTS=$TAG_EXISTS" >> $GITHUB_OUTPUT

      - name: Tag release
        id: tag_version
        uses: mathieudutour/github-tag-action@v6.2
        with:
          github_token: ${{ secrets.GITHUB_TOKEN }}
          custom_tag: ${{ steps.chart_version.outputs.CHART_VERSION }}
          tag_prefix: "chart-"
        if: steps.tag_exists.outputs.TAG_EXISTS == 'false'

      - name: Create release
        if: steps.tag_exists.outputs.TAG_EXISTS == 'false'
        uses: ncipollo/release-action@v1
        with:
          tag: ${{ steps.tag_version.outputs.new_tag }}
          name: ${{ steps.tag_version.outputs.new_tag }}
          body: ${{ steps.tag_version.outputs.changelog }}

      - name: Publish Helm chart
        if: steps.tag_exists.outputs.TAG_EXISTS == 'false'
        uses: stefanprodan/helm-gh-pages@89c6698c192e70ed0e495bee7d3d1ca5b477fe82
        with:
          token: ${{ secrets.CHARTS_REPO_TOKEN }}
          owner: benthosdev
          repository: charts
          branch: main
          target_dir: benthos-captain
          index_dir: .
          charts_dir: chart/benthos-captain/
          charts_url: https://benthosdev.github.io/charts
          commit_username: blobbot-helm
          commit_email: blobbot-helm@github.com