aggregate-prs.yml

name: Merge PR into Dynamic Branch on Label

on:
  pull_request_target:
    types: [labeled, synchronize]
    branches:
      - master

jobs:
  merge-to-dynamic-branch:
    if: github.event.label.name != 'do-not-merge' #Excludes those labeled with do-not-merge
    runs-on: ubuntu-latest
    steps:
    - name: Checkout Repository
      uses: actions/checkout@v2
      with:
        ref: ${{ github.event.pull_request.head.ref }}
        fetch-depth: 0

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

    - name: Check PR Labels and Merge for New Commit Events
      if: github.event.action == 'synchronize'
      run: |
        LABELS_JSON=$(gh pr view ${{ github.event.pull_request.number }} --json labels)
        LABELS=$(echo "$LABELS_JSON" | jq -r '.labels[].name')
        for LABEL_BRANCH in $LABELS; do
          # Check if the branch exists
          if git show-ref --verify --quiet refs/heads/$LABEL_BRANCH; then
            echo "Branch $LABEL_BRANCH already exists."
          else
            echo "Branch $LABEL_BRANCH does not exist, creating it."
            git branch $LABEL_BRANCH origin/master
          fi
          git checkout $LABEL_BRANCH

          # Merge PR changes into dynamic branch
          git merge ${{ github.event.pull_request.head.sha }} --no-ff --no-commit
          git commit -m "Merged PR #${{ github.event.pull_request.number }} due to new commits on labeled PR"
          git push origin $LABEL_BRANCH
        done
      env:
        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

    - name: Merge for Labeled Event
      if: github.event.action == 'labeled'
      run: |
        LABEL_BRANCH=${{ github.event.label.name }}
        # Check if the branch exists
        if git show-ref --verify --quiet refs/heads/$LABEL_BRANCH; then
          echo "Branch $LABEL_BRANCH already exists."
        else
          echo "Branch $LABEL_BRANCH does not exist, creating it."
          git branch $LABEL_BRANCH origin/master
        fi
        git checkout $LABEL_BRANCH

        # Merge PR changes into dynamic branch
        git merge ${{ github.event.pull_request.head.sha }} --no-ff --no-commit
        git commit -m "Merged PR #${{ github.event.pull_request.number }} due to label '$LABEL_BRANCH'"
        git push origin $LABEL_BRANCH