name: Automatic Rebase

on:
  issue_comment:
    types: [created]

permissions: {}

jobs:
  rebase:
    name: Rebase
    if: >-
      github.repository == 'velero-io/velero' &&
      github.event.issue.pull_request != null &&
      github.event.comment.body == '/rebase' &&
      contains(
        fromJSON('["OWNER", "MEMBER", "COLLABORATOR"]'),
        github.event.comment.author_association
      )
    runs-on: ubuntu-latest
    permissions:
      # contents: write is required because updating the pull request branch
      # pushes commits to the head branch.
      contents: write
      pull-requests: write
    steps:
      - name: Rebase pull request
        env:
          GH_TOKEN: ${{ github.token }}
          GH_REPO: ${{ github.repository }}
          PR_NUMBER: ${{ github.event.issue.number }}
        run: gh pr update-branch "$PR_NUMBER" --repo "$GH_REPO" --rebase