backport-auto.yml

name: Backport PRs

permissions:
  contents: write
  pull-requests: write

on:
  pull_request_target:
    types: [closed]
    branches: [main]

jobs:
  backport:
    # Only run on the main repository, not on forks
    if: |
      github.repository == 'mastra-ai/mastra' && 
      github.event.pull_request.merged == true && 
      contains(github.event.pull_request.labels.*.name, 'cherry')
    runs-on: ubuntu-latest
    steps:
      - name: Initial checkout
        uses: actions/checkout@v5
        with:
          # Use default GITHUB_TOKEN for initial checkout
          # This is needed to access the .github/actions/app-auth action
          fetch-depth: 1
          persist-credentials: false

      - name: Dane App Auth
        id: app-auth
        uses: ./.github/actions/app-auth
        with:
          app-id: ${{ vars.DANE_APP_ID }}
          private-key: ${{ secrets.DANE_APP_PRIVATE_KEY }}

      - name: Re-checkout with app token
        uses: actions/checkout@v5
        with:
          token: ${{ steps.app-auth.outputs.token }}
          persist-credentials: true
          fetch-depth: 0

      - name: Setup pnpm and Node.js
        uses: ./.github/actions/setup-pnpm-node

      - name: Backport PR
        run: pnpm dlx tsx packages/_changeset-cli/src/git/backport.ts ${{ github.event.pull_request.number }}
        env:
          GITHUB_TOKEN: ${{ steps.app-auth.outputs.token }}