release-please.yaml

on:
  push:
    branches:
      - main

permissions:
  contents: write
  pull-requests: write

env:
  PUBLISHABLE_ITEMS: '["charts/pihole"]'

name: release-please

jobs:
  # since there is currently only one chart to be released I leave it like this for now
  # for multiple charts this would have to be more dynamic
  release:
    name: Release
    runs-on: ubuntu-latest

    steps:
      - name: ✨ Checkout repository
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - uses: google-github-actions/release-please-action@v4
        name: 🙌 Prepare release
        id: release-please
        with:
          token: ${{ secrets.CR_TOKEN }}

      - name: 🐛 Dump Release Please Output
        env:
          RELEASE_PLEASE_OUTPUT: ${{ toJson(steps.release-please.outputs) }}
        run: |
          echo "$RELEASE_PLEASE_OUTPUT"

      - name: 📦 Determine what should be published
        uses: actions/github-script@v7
        id: items-to-publish
        env:
          CHANGED_ITEMS: "${{ steps.release-please.outputs.paths_released }}"
        with:
          # Release please outputs a string representation of an array under the key paths_released
          # This script parses the output, and filters each of the changed items (provided as paths to the root of the package)
          # to remove any values not present in the PUBLISHABLE_ITEMS array. This filtered array is then stringified and exported as items-to-publish.outputs.result
          # this can be picked up by subsequent jobs and used in a matrix to loop over the PUBLISHABLE_ITEMS within the release
          script: |
            const changedItems = JSON.parse(process.env.CHANGED_ITEMS || '[]');
            console.log("changed items", changedItems);
            const eligibleItems = JSON.parse(process.env.PUBLISHABLE_ITEMS || '[]');
            console.log("eligible items", eligibleItems);
            const itemsToPublish = changedItems.filter(i => eligibleItems.includes(i));
            console.log("items to publish", itemsToPublish);
            return itemsToPublish;
    outputs:
      items_to_publish: ${{ steps.items-to-publish.outputs.result }}
      releases: ${{ toJson(steps.release-please.outputs) }}

  # prepare-release:
  #   name: Prepare
  #   runs-on: ubuntu-latest
  #   needs: release
  #   if: ${{ needs.release.outputs.items_to_publish != '' && toJson(fromJson(needs.release.outputs.items_to_publish)) != '[]' }}
  #   steps:

  release-charts:
    name: Release Charts
    needs: release
    runs-on: ubuntu-latest
    if: ${{ needs.release.outputs.items_to_publish != '' && toJson(fromJson(needs.release.outputs.items_to_publish)) != '[]' }}
    strategy:
      fail-fast: false
      matrix:
        path: ${{ fromJSON(needs.release.outputs.items_to_publish) }}

    env:
      TAG: ${{ fromJson(needs.release.outputs.releases)[format('{0}--tag_name', matrix.path)] }}
      VERSION: ${{ fromJson(needs.release.outputs.releases)[format('{0}--version', matrix.path)] }}

    steps:
      - name: 🐛 Debug
        run: |
          echo ${{ env.TAG }}
          echo ${{ env.VERSION }}
          echo ${{ matrix.path }}

      - name: ✨ Checkout repository
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: 🔧 Configure Git
        run: |
          echo ${{ needs.release.outputs.items_to_publish }}
          git config user.name "$GITHUB_ACTOR"
          git config user.email "$GITHUB_ACTOR@users.noreply.github.com"

      - name: 🔧 Install Chart Releaser
        run: |
          version=v1.6.0
          mkdir .tmp
          install_dir=.tmp
          echo "Installing chart-releaser on $install_dir..."
          curl -sSLo cr.tar.gz "https://github.com/helm/chart-releaser/releases/download/$version/chart-releaser_${version#v}_linux_amd64.tar.gz"
          tar -xzf cr.tar.gz -C "$install_dir"
          rm -f cr.tar.gz

      - name: 📦 Package chart
        run: |
          .tmp/cr package ${{ matrix.path }}
          ls -la .cr-release-packages/

      - name: 📢 Upload binaries to release
        uses: svenstaro/upload-release-action@v2
        with:
          repo_token: ${{ secrets.GITHUB_TOKEN }}
          file: .cr-release-packages/*.tgz
          file_glob: true
          overwrite: true
          tag: ${{ env.TAG }}

      - name: 📁 Upadate index
        run: |
          owner=$(cut -d '/' -f 1 <<< "$GITHUB_REPOSITORY")
          repo=$(cut -d '/' -f 2 <<< "$GITHUB_REPOSITORY")
          args=(-o "$owner" -r "$repo" --push -t "${{ secrets.CR_TOKEN }}" --index-path .)          
          .tmp/cr index "${args[@]}"