cherry-pick.yml

name: Cherry Pick PR
on:
  pull_request:
    types:
      - closed


jobs:
  cherry-pick:
    runs-on: ubuntu-latest

    steps:
      - name: Checkout repository
        uses: actions/checkout@v2
        
      - name: Setup Git committer identity
        run: |
          git config user.name "mashetty330"
          git config user.email "shettymahesh330@gmail.com"
          
      - name: Setup Node.js
        uses: actions/setup-node@v2
        with:
          node-version: '14.x'

      - name: Install dependencies
        run: npm install @actions/github

      - name: Check if PR is merged and labeled
        run: |
          if [ "${{ github.event.pull_request.merged }}" == "true" ]; then
            # Extract the version label
            LABEL=$(node -e "console.log(require('@actions/github').context.payload.pull_request.labels.find(label => /^cherry-pick-release-[0-9]+\\.[0-9]+$/.test(label.name)).name)")

            if [ "$LABEL" != "" ]; then
              echo "PR is merged and labeled with $LABEL"
              TARGET_BRANCH="release-$(echo $LABEL | cut -d'-' -f4-)"
              echo "Target release branch: $TARGET_BRANCH"

              # Log the LABEL value to the console
              echo "LABEL: $LABEL"
              
              git fetch --all --prune
 

              echo "Target release branch exists: $TARGET_BRANCH"
              git checkout master && git fetch --all && git reset --hard origin/master
              git checkout -b cherry-pick-pr-"${{ github.event.pull_request.number }}" origin/$TARGET_BRANCH
              git push origin cherry-pick-pr-"${{ github.event.pull_request.number }}"
              #git pull origin $TARGET_BRANCH
              #git checkout -b cherry-pick-pr-"${{ github.event.pull_request.number }}"
              echo "checked out cherry pick pr branch"
              echo "commit sha ${{ github.event.pull_request.head.sha }}"
              git cherry-pick "${{ github.event.pull_request.head.sha }}"
              echo "fetched commit"
              # Handle any potential conflicts here if necessary
              git push origin cherry-pick-pr
              echo "pushed"
              # Create a new pull request
              curl -X POST "https://api.github.com/repos/${{ github.repository }}/pulls" \
                -H "Authorization: token ${{ secrets.ACTION_PAT }}" \
                -H "Accept: application/vnd.github.v3+json" \
                -d '{
                  "title": "Cherry-pick to '$TARGET_BRANCH'",
                  "body": "This PR is a cherry-pick of the changes from #${{ github.event.pull_request.number }}",
                  "head": "cherry-pick-pr-${{ github.event.pull_request.number }}",
                  "base": "'$TARGET_BRANCH'"
                }'
            else
              echo "PR is not labeled for cherry-pick"
            fi
          else
            echo "PR is not merged"
          fi
        env:
          GITHUB_TOKEN: ${{ secrets.ACTION_PAT }}