update_frontend.yml

name: Update frontend

on:
  schedule: # once a day
    - cron: "0 0 * * *"
  workflow_dispatch:

jobs:
  check-version:
    runs-on: ubuntu-latest
    outputs:
      skip: ${{ steps.check_version.outputs.skip || steps.check_existing_pr.outputs.skip }}
      latest_tag: ${{ steps.latest_frontend_version.outputs.latest_tag }}
    steps:
      - name: Checkout code
        uses: actions/checkout@v4
      - name: Get latest frontend release
        id: latest_frontend_version
        uses: abatilo/release-info-action@v1.3.3
        with:
          owner: home-assistant
          repo: frontend
      - name: Check if version is up to date
        id: check_version
        run: |
          LANDING_PAGE_VERSION=$(cat .ha-frontend-version)
          LATEST_VERSION=${{ steps.latest_frontend_version.outputs.latest_tag }}
          echo "LANDING_PAGE_VERSION=$LANDING_PAGE_VERSION" >> $GITHUB_ENV
          echo "LATEST_VERSION=$LATEST_VERSION" >> $GITHUB_ENV
          if [[ ! "$LANDING_PAGE_VERSION" < "$LATEST_VERSION" ]]; then
            echo "Frontend version is up to date"
            echo "skip=true" >> $GITHUB_OUTPUT
          fi
      - name: Check if there is no open PR with this version
        if: steps.check_version.outputs.skip != 'true'
        id: check_existing_pr
        env:
          GH_TOKEN: ${{ github.token }}
        run: |
          PR=$(gh pr list --state open --base main --json title --search "Autoupdate frontend to version $LATEST_VERSION")
          if [[ "$PR" != "[]" ]]; then
            echo "Skipping - There is already a PR open for version $LATEST_VERSION"
            echo "skip=true" >> $GITHUB_OUTPUT
          fi
  create-pr:
    runs-on: ubuntu-latest
    needs: check-version
    if: needs.check-version.outputs.skip != 'true'
    steps:
      - name: Checkout code
        uses: actions/checkout@v4
      - name: Clear www folder
        run: |
          rm -rf rootfs/usr/share/www/*
      - name: Update version file
        run: |
          echo "${{ needs.check-version.outputs.latest_tag }}" > .ha-frontend-version
      - name: Download release assets
        uses: robinraju/release-downloader@v1
        with:
          repository: 'home-assistant/frontend'
          tag: ${{ needs.check-version.outputs.latest_tag }}
          fileName: home_assistant_frontend_landingpage-${{ needs.check-version.outputs.latest_tag }}.tar.gz
          extract: true
          out-file-path: rootfs/usr/share/www/
      - name: Create PR
        uses: peter-evans/create-pull-request@v7
        with:
          commit-message: "Autoupdate frontend to version ${{ needs.check-version.outputs.latest_tag }}"
          branch: autoupdate-frontend
          base: main
          sign-commits: true
          title: "Autoupdate frontend to version ${{ needs.check-version.outputs.latest_tag }}"