sync-latest-version.yaml

name: Sync latest Teslamate version

on:
  schedule:
    # run every day at midnight
    - cron: "0 0 * * *"
  workflow_dispatch:

jobs:
  compare-versions:
    runs-on: ubuntu-latest
    outputs:
      latest-version: ${{ steps.parse-latest-version.outputs.release }}
      latest-version-string: v${{ steps.parse-latest-version.outputs.release }}
      current-version: ${{ steps.get-current-version.outputs.result }}
      version-comparison: ${{ steps.compare-versions.outputs.comparison-result }}
    steps:
      - name: Checkout
        uses: actions/checkout@v2
        with:
          fetch-depth: 0
 
      - name: Get latest Teslamate version
        id: fetch-latest-version
        uses: actions/github-script@v7
        with:
          result-encoding: string
          script: |
            const { data } = await github.rest.repos.getLatestRelease({
              owner: 'teslamate-org',
              repo: 'teslamate',
            })
            // remove the 'v' prefix since the image tag expects it without
            return data.tag_name.replace("v", "")

      - name: Parse latest Teslamate version
        uses: madhead/semver-utils@latest
        id: parse-latest-version
        with:
          version: ${{steps.fetch-latest-version.outputs.result}}
          # fail on non-semantic versions
          lenient: false

      - name: Get current Teslamate version
        id: get-current-version
        uses: mikefarah/yq@master
        with:
          cmd: yq '.appVersion' charts/teslamate/Chart.yaml

      - name: Compare versions
        uses: madhead/semver-utils@latest
        id: compare-versions
        with:
          version: ${{steps.parse-latest-version.outputs.release}}
          compare-to: ${{steps.get-current-version.outputs.result}}
          # fail on non-semantic versions
          lenient: false

  current-chart-version:
    runs-on: ubuntu-latest
    outputs:
      # increment the patch version of the Chart
      next-chart-version: ${{ steps.parse-chart-version.outputs.inc-patch }}
    steps:
      - name: Checkout
        uses: actions/checkout@v2
        with:
          fetch-depth: 0

      - name: Get current chart version
        uses: mikefarah/yq@master
        id: get-chart-version
        with:
          cmd: yq '.version' charts/teslamate/Chart.yaml

      - name: Parse current chart version
        uses: madhead/semver-utils@latest
        id: parse-chart-version
        with:
          version: ${{steps.get-chart-version.outputs.result}}
          # fail on non-semantic versions
          lenient: false

  trigger-update:
    if: ${{ needs.compare-versions.outputs.version-comparison == '>' }}
    needs:
    - compare-versions
    - current-chart-version
    permissions:
      pull-requests: write
      contents: write
    runs-on: ubuntu-22.04
    steps:
      - name: Checkout
        uses: actions/checkout@v2
        with:
          fetch-depth: 0

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

      # yq reformats the files, use sed instead. See https://github.com/mikefarah/yq/issues/465

      - name: Update Chart.yaml with a new Chart version
        run: |
          sed -i 's/^version: .*/version: ${{needs.current-chart-version.outputs.next-chart-version}}/' 'charts/teslamate/Chart.yaml'

      - name: Update Chart.yaml with latest Testlamate version
        run: |
          sed -i 's/^appVersion: .*/appVersion: ${{needs.compare-versions.outputs.latest-version-string}}/' 'charts/teslamate/Chart.yaml'

      - name: Update values.yaml with latest Testlamate version
        run: |
          sed -i 's/^    tag: .*/    tag: ${{needs.compare-versions.outputs.latest-version}}/' 'charts/teslamate/values.yaml'

      - name: Create pull request
        uses: peter-evans/create-pull-request@v5
        with:
          commit-message: "feat: bump Teslamate to ${{needs.compare-versions.outputs.latest-version-string}}"
          title: "feat: bump Teslamate to ${{needs.compare-versions.outputs.latest-version-string}}"
          body: |
            Latest version: https://github.com/teslamate-org/teslamate/releases/tag/${{needs.compare-versions.outputs.latest-version-string}}
            
            Comparing [${{needs.compare-versions.outputs.current-version}}...${{needs.compare-versions.outputs.latest-version-string}}](https://github.com/teslamate-org/teslamate/compare/${{needs.compare-versions.outputs.current-version}}...${{needs.compare-versions.outputs.latest-version-string}})
          branch: bump-teslamate-to-${{needs.compare-versions.outputs.latest-version-string}}
          delete-branch: true