# This cannot rebase workflow changes into a PR
# It also only works if the GITHUB_TOKEN has permission to push to the branch
# see: https://github.com/cirrus-actions/rebase/issues/12#issuecomment-632594995
on:
  issue_comment:
    types: [created]
name: Automatic Rebase
permissions:
  contents: read

jobs:
  rebase:
    permissions:
      contents: write  # for cirrus-actions/rebase to push code to rebase
      pull-requests: write  # for actions/github-script to create PR comment
    name: Rebase
    if: github.event.issue.pull_request != '' && contains(github.event.comment.body, '/rebase')
    runs-on: ubuntu-latest
    steps:
    - name: Checkout the latest code
      uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7
      with:
        fetch-depth: 0
    - name: Post rebase started comment to pull request
      uses: actions/github-script@60a0d83039c74a4aee543508d2ffcb1c3799cdea # v7.0.1
      continue-on-error: true
      with:
        script: |
          const backport_start_body = `Started rebase: https://github.com/${context.repo.owner}/${context.repo.repo}/actions/runs/${process.env.GITHUB_RUN_ID}`;
          await github.issues.createComment({
            issue_number: context.issue.number,
            owner: context.repo.owner,
            repo: context.repo.repo,
            body: backport_start_body
          });
    - name: Automatic Rebase
      uses: cirrus-actions/rebase@b87d48154a87a85666003575337e27b8cd65f691 # 1.8
      env:
        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}