update-submodules.yml

name: Update Hugo modules

on:
  workflow_dispatch:
  schedule:
    - cron: "5 0 * * *"

concurrency:
  group: update-hugo-modules
  cancel-in-progress: false

env:
  GO_VERSION: "1.27.1"
  HUGO_VERSION: "0.166.0"
  PYTHON_VERSION: "3.14"

jobs:
  update:
    runs-on: ubuntu-latest
    timeout-minutes: 30
    permissions:
      contents: write

    steps:
      - uses: actions/create-github-app-token@64ab729a6294000f5aa4a4bc0b73d1f32bc45510 # v3.3.0
        id: app-token
        with:
          client-id: ${{ vars.WEBSITE_UPDATER_CLIENT_ID }}
          private-key: ${{ secrets.WEBSITE_UPDATER_KEY }}

      - name: Checkout repository
        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7
        with:
          fetch-depth: 0
          submodules: false
          lfs: false
          token: ${{ steps.app-token.outputs.token }}

      - name: Set up Go
        uses: actions/setup-go@924ae3a1cded613372ab5595356fb5720e22ba16 # v6
        with:
          go-version: ${{ env.GO_VERSION }}
          cache-dependency-path: go.sum

      - name: Set up Hugo
        uses: peaceiris/actions-hugo@2752ce1d29631191ea3f27c23495fa06139a5b78 # v3
        with:
          hugo-version: ${{ env.HUGO_VERSION }}
          extended: true

      - name: Set up Python
        uses: actions/setup-python@ece7cb06caefa5fff74198d8649806c4678c61a1 # v6
        with:
          python-version: ${{ env.PYTHON_VERSION }}

      - name: Synchronize Hugo module revisions
        run: python3 tools/sync_hugo_modules.py

      - name: Verify updated modules
        run: hugo mod verify

      - name: Commit and push update
        run: |
          if git diff --quiet -- go.mod go.sum; then
            echo "Hugo modules are already up to date."
            exit 0
          fi

          git config --local user.name "precice-bot"
          git config --local user.email "info@precice.org"
          git add go.mod go.sum
          git commit --message "Update Hugo modules"
          git push origin "HEAD:${GITHUB_REF_NAME}"