.github/workflows/release_to_public.yml

name: Merge and Push to Other Repository

on:
  push:
    branches:
      - main  # Trigger the workflow when changes are pushed to the main branch

permissions:
  contents: write
  actions: read

jobs:
  export_pr:
    runs-on: ubuntu-latest
    steps:

      # Step 1: Checkout the current repository
      - name: Checkout current repository
        uses: actions/checkout@v3
        with:
          fetch-depth: 0  # Fetch all history for all branches
      - name: Get Repository Name
        id: get_repo_name
        run: |
          REPO_NAME=${GITHUB_REPOSITORY#*/}

      # Step 2: Check for specific labels in commit messages
      - name: Check for specific labels
        id: label_check
        run: |
          # Fetch the last commit message
          COMMIT_MESSAGE=$(git log -1 --pretty=%B)

          # Define labels you want to check for
          LABELS=("release-candidate")

          # Initialize a flag
          MATCHING_LABEL=false

          # Check if any label is in the commit message
          for LABEL in "${LABELS[@]}"; do
            if [[ "$COMMIT_MESSAGE" == *"$LABEL"* ]]; then
              MATCHING_LABEL=true
              break
            fi
          done

          # Set the output based on the label check
          echo "matching_label=${MATCHING_LABEL}" >> $GITHUB_ENV


      # Step 3: Clone the target repository
      - name: Remove existing directory
        if: env.matching_label == 'true'
        run: |
          rm -rf ${{ vars.TARGET_DIR }}  # Ensure the directory is clean before cloning
      - name: Clone target repository
        run: |
          git clone https://$GITHUB_ACTOR:${{ secrets.TARGET_REPO_PAT }}@github.com/${{ vars.TARGET_REPO }}.git
          cd ${{ vars.TARGET_DIR }}
          git checkout main  # Ensure we are on the main branch

       # Step 4: Set Git user info
      - name: Set Git user info
        run: |
          cd ${{ vars.TARGET_DIR }}
          git config user.name "GitHub Actions"  # Set a name for the user
          git config user.email "actions@github.com"  # Set an email for the user

      # Step 5: Fetch changes from the current repository
      - name: Fetch current repository changes
        run: |
          cd ${{ vars.TARGET_DIR }}

          git remote add current-repo ../  # Give it a descriptive name
          git fetch current-repo  # Fetch from the current repo
          # Get the current branch name
          CURRENT_BRANCH=$(echo $GITHUB_REF | awk -F'/' '{print $3}')  # Get the current branch name
          # Checkout the current branch from the current repository
          git checkout -b sync_branch current-repo/$CURRENT_BRANCH  # Create a new branch based on the current repo's branch

      # Step 6: Merge the target repository's main into the temporary branch
      - name: Merge target repository's main into temp branch
        run: |
          cd ${{ vars.TARGET_DIR }}
          git merge -s ours origin/main --allow-unrelated-histories  # Allow unrelated histories if necessary

      # Step 7: Push the merged changes to the target repository
      - name: Push merged changes to target repository
        run: |
          cd ${{ vars.TARGET_DIR }}
          git push origin sync_branch --force  # Push the temporary branch to the target repo

      # Step 8: Create a PR from the temporary branch to the target repo's main
      - name: Create PR from temporary branch to target repo's main
        run: |
          curl -X POST -H "Authorization: token ${{ secrets.TARGET_REPO_PAT }}" \
          -H "Accept: application/vnd.github.v3+json" \
          https://api.github.com/repos/${{ vars.TARGET_REPO }}/pulls \
          -d "{\"title\":\"Merges $REPO_NAME (private) into main\",\"head\":\"sync_branch\",\"base\":\"main\",\"body\":\"Automated PR from GitHub Actions\"}"