check-upstream-updates.yml

name: Check and Pull Upstream Updates
on:
  push:
    branches: [ "main" ]
  schedule:
    - cron: '0 0 * * *' # Runs each day UTC midnight
  workflow_dispatch:

jobs:
  update-upstream:
    runs-on: ubuntu-latest
    steps:
    - name: Checkout repository
      uses: actions/checkout@v4
      with:
        fetch-depth: 0

    - name: Set up git config
      run: |
        git config --global user.email "actions@github.com"
        git config --global user.name "GitHub Actions"

    - name: Fetch upstream
      run: |
        git remote add upstream https://github.com/HimaxWiseEyePlus/Seeed_Grove_Vision_AI_Module_V2.git || true
        git fetch upstream

    - name: Check for updates using commit history
      id: check_updates
      run: |
        git fetch upstream main
        UPSTREAM_COMMITS=$(git rev-list origin/main..upstream/main --count)
        echo "Upstream commits ahead: $UPSTREAM_COMMITS"
        if [ "$UPSTREAM_COMMITS" -gt 0 ]; then
          echo "status=needs_update" >> $GITHUB_OUTPUT
        else
          echo "status=up_to_date" >> $GITHUB_OUTPUT
        fi

    # Perform merge if updates are needed
    - name: Merge upstream changes
      if: steps.check_updates.outputs.status == 'needs_update'
      run: |
        git checkout main
        git merge upstream/main --allow-unrelated-histories -m "Merge upstream changes"

    - name: Create Pull Request
      if: steps.check_updates.outputs.status == 'needs_update'
      uses: peter-evans/create-pull-request@v6
      with:
        token: ${{ secrets.GITHUB_TOKEN }}
        commit-message: Update from upstream repository
        title: Automated Update from Upstream
        body: |
          This is an automated pull request to update from the upstream repository.
          Please review the changes and merge if appropriate.
        branch: automated-upstream-update
        base: main
        labels: automated, upstream-update
        reviewers: |
          acutetech
          Tobyntobyn
          victor-wildlife
        draft: false

    - name: No updates needed
      if: steps.check_updates.outputs.status == 'up_to_date'
      run: |
        echo "Already up to date with upstream."