backport.yml

name: backport merged pull request

on:
  pull_request_target:
    types: [closed]
  issue_comment:
    types: [created]

permissions:
  contents: write       # so it can comment
  pull-requests: write  # so it can create pull requests

jobs:
  backport:
    name: backport pull request
    runs-on: ubuntu-latest

    # Only run when pull request is merged
    # or when a comment containing `/backport` is created by someone other than the 
    # https://github.com/backport-action bot user (user id: 97796249). Note that if you use your
    # own PAT as `github_token`, that you should replace this id with yours.
    if: >
      (
        github.event_name == 'pull_request' &&
        github.event.pull_request.merged
      ) || (
        github.event_name == 'issue_comment' &&
        github.event.issue.pull_request &&
        github.event.comment.user.id != 97796249 &&
        contains(github.event.comment.body, '/backport')
      )
    steps:
      - uses: actions/checkout@v3
      - name: Create backport pull requests
        uses: korthout/backport-action@v1