mirror_from_upstream.yaml

name: Mirror from Upstream

on:
  schedule:
    - cron: '0 0 * * *'  # Run daily at midnight
  workflow_dispatch:    # Allow manual trigger

jobs:
  mirror-from-upstream:
    runs-on: ubuntu-latest

    steps:
    - name: Checkout repository
      uses: actions/checkout@v4
      with:
        fetch-depth: 0  # Fetch all history for all branches and tags

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

    - name: Fastforward from upstream
      run: |
        git remote add upstream https://github.com/drieslab/Giotto.git
        git fetch upstream
        git checkout suite

    - name: Check for new commits
      id: check_commits
      run: |
        if git merge-base --is-ancestor HEAD upstream/suite; then
          echo "No new commits to merge."
          echo "has_new_commits=false" >> $GITHUB_OUTPUT
        else
          echo "New commits to merge."
          echo "has_new_commits=true" >> $GITHUB_OUTPUT
        fi

    - name: Merge and push changes
      if: steps.check_commits.outputs.has_new_commits == 'true'
      run: |
        git merge --ff-only upstream/suite
        git push origin suite