external-dns/.github/workflows/sync-upstream.yaml at main · neticdk/external-dns · GitHub

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name: Sync with Upstream

on:
  schedule:
    # Runs at 05:00 UTC every day
    - cron: '0 5 * * *'
  workflow_dispatch:

jobs:
  sync:
    name: Sync Fork
    runs-on: ubuntu-latest
    permissions:
      contents: write
      pull-requests: write

    steps:
      - name: Checkout repository
        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
        with:
          fetch-depth: 0

      - name: Set up Git
        id: merge
        run: |
          git config --global user.name "github-actions[bot]"
          git config --global user.email "github-actions[bot]@users.noreply.github.com"

          git remote add upstream https://github.com/kubernetes-sigs/external-dns.git
          git fetch upstream --tags

          LATEST_TAG=$(git tag -l 'v*' --sort=v:refname | tail -n 1)
          echo "Latest upstream tag is ${LATEST_TAG}"

          # Merge the latest tag, but keep our version of the .github directory
          git merge --no-commit upstream "${LATEST_TAG}" || true
          git reset HEAD .github
          rm -rf .github
          git checkout HEAD -- .github
          git commit -m "chore: sync with upstream kubernetes-sigs/external-dns ${LATEST_TAG}"

          echo "latest_tag=${LATEST_TAG}" >> "${GITHUB_OUTPUT}"

      - name: Create Pull Request
        uses: peter-evans/create-pull-request@271a8d0340265f705b14b6d32b9829c1cb33d45e # v7.0.8
        with:
          commit-message: "chore: sync with upstream kubernetes-sigs/external-dns ${{ steps.merge.outputs.latest_tag }}"
          committer: "github-actions[bot] <github-actions[bot]@users.noreply.github.com>"
          author: "github-actions[bot] <github-actions[bot]@users.noreply.github.com>"
          branch: "chore/sync-upstream-${{ steps.merge.outputs.latest_tag }}"
          delete-branch: true
          title: "chore: sync with upstream `kubernetes-sigs/external-dns` ${{ steps.merge.outputs.latest_tag }}"
          body: |
            This PR is auto-generated and syncs changes from the upstream `kubernetes-sigs/external-dns` repository.
          labels: "automated-pr, chore"
          base: "main"