backport.yml

name: Backport

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

permissions:
  contents: write
  pull-requests: write

jobs:
  backport:
    name: Backport PR
    runs-on: ubuntu-latest
    if: |
      github.event.pull_request.merged == true
      && contains(github.event.pull_request.labels.*.name, 'auto-backport')
      && (
        (github.event.action == 'labeled' && github.event.label.name == 'auto-backport')
        || (github.event.action == 'closed')
      )
    steps:
      - name: Backport Action
        uses: sorenlouv/backport-github-action@v12
        with:
          # A PAT (repo + workflow scope) is required: org policy forbids the
          # default GITHUB_TOKEN from creating PRs, and PRs opened with it also
          # don't trigger downstream `pull_request` workflows (anti-recursion
          # limit), so CI would not run on backport PRs. Configure a repo or
          # org secret named AUTOMATION_PAT.
          github_token: ${{ secrets.AUTOMATION_PAT }}
          auto_backport_label_prefix: auto-backport-to-
          copy_source_pr_reviewers: true

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