release.yml

on:
  push:
    branches: [main]
    paths:
      - "charts/postgrescluster/Chart.yaml"
  workflow_dispatch:

name: release-postgrescluster

permissions:
  contents: write
  pull-requests: write

env:
  HELM_VERSION: v3.18.3

jobs:
  release-postgrescluster:
    if: github.event_name == 'push' || github.event_name == 'workflow_dispatch'
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
        with:
          fetch-depth: 0

      - name: Get postgrescluster version
        id: version
        run: |
          v=$(grep '^version:' charts/postgrescluster/Chart.yaml | sed 's/.*: *//' | tr -d ' \r')
          echo "version=$v" >> $GITHUB_OUTPUT

      - name: Skip if tag already exists
        id: skip
        run: |
          git fetch --tags
          if git rev-parse "postgrescluster-${{ steps.version.outputs.version }}" >/dev/null 2>&1; then echo "skip=true" >> $GITHUB_OUTPUT; else echo "skip=false" >> $GITHUB_OUTPUT; fi

      - uses: azure/setup-helm@dda3372f752e03dde6b3237bc9431cdc2f7a02a2 # v5
        if: steps.skip.outputs.skip == 'false'
        with:
          version: ${{ env.HELM_VERSION }}

      - name: Install chart-releaser
        if: steps.skip.outputs.skip == 'false'
        run: |
          curl -sSLo cr.tar.gz "https://github.com/helm/chart-releaser/releases/download/v1.8.1/chart-releaser_1.8.1_linux_amd64.tar.gz"
          tar -xzf cr.tar.gz -C /usr/local/bin
          rm cr.tar.gz
          cr version

      - name: Configure git
        if: steps.skip.outputs.skip == 'false'
        run: |
          git config user.name "${{ github.actor }}"
          git config user.email "${{ github.actor }}@users.noreply.github.com"

      - name: Package and publish postgrescluster chart
        if: steps.skip.outputs.skip == 'false'
        run: |
          mkdir -p .cr-release-packages
          helm package charts/postgrescluster --destination .cr-release-packages
          cr upload \
            --owner ${{ github.repository_owner }} \
            --git-repo ${{ github.event.repository.name }} \
            --package-path .cr-release-packages \
            --commit "$(git rev-parse HEAD)" \
            --skip-existing \
            --token ${{ secrets.GITHUB_TOKEN }}
        env:
          CR_TOKEN: ${{ secrets.GITHUB_TOKEN }}

      - name: Update Helm repo index
        if: steps.skip.outputs.skip == 'false'
        run: |
          git config --global user.name "${{ github.actor }}"
          git config --global user.email "${{ github.actor }}@users.noreply.github.com"
          base_url="https://github.com/${{ github.repository_owner }}/${{ github.event.repository.name }}/releases/download/postgrescluster-${{ steps.version.outputs.version }}"
          git clone --branch gh-pages --depth 1 "https://x-access-token:${{ secrets.GITHUB_TOKEN }}@github.com/${{ github.repository_owner }}/${{ github.event.repository.name }}.git" gh-pages
          helm repo index .cr-release-packages --merge gh-pages/index.yaml --url "$base_url"
          cp .cr-release-packages/index.yaml gh-pages/index.yaml
          cd gh-pages
          git add index.yaml
          git diff --staged --quiet || (git commit -m "Update index for postgrescluster-${{ steps.version.outputs.version }}" && git push)
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}