name: Automatic Backport

on:
  pull_request:
    types: ["closed", "labeled"]

jobs:
  backport:
    if: ${{ (github.event.pull_request.merged == true) && (contains(github.event.pull_request.labels.*.name, 'backport-to-main') == true) }}
    name: Backport PR
    runs-on: ubuntu-latest
    steps:
      - name: Write json
        id: create-json
        uses: jsdaniell/create-json@v1.2.3
        with:
          name: ".backportrc.json"
          json: |
            {
              "targetPRLabels": "backport",
              "prTitle": "[{{sourceBranch}} to {{targetBranch}}] backport: {{sourcePullRequest.title}} ({{sourcePullRequest.number}})"
            }
        
      - name: Backport Action
        uses: sorenlouv/backport-github-action@v9.3.0
        with:
          github_token: ${{ secrets.GITHUB_TOKEN }}
          auto_backport_label_prefix: backport-to-

      - name: Info log
        if: ${{ success() }}
        run: cat ~/.backport/backport.info.log

      - name: Debug log
        if: ${{ failure() }}
        run: cat ~/.backport/backport.debug.log