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# Licensed under the Apache License, Version 2.0 (the "License");
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#     http://www.apache.org/licenses/LICENSE-2.0
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name: Github Robot for Cherry Pick On Comment

on:
  issue_comment:
    types: [created]

jobs:
  cherry-pick:
    name: Cherry Pick
    if: github.event.issue.pull_request != '' && contains(github.event.comment.body, '/cherry-pick')
    runs-on: ubuntu-latest

    steps:
      - name: Checkout the latest code
        uses: actions/checkout@v4
        with:
          token: ${{ secrets.BOT_GITHUB_TOKEN }}
          fetch-depth: 0 # To ensure all history is available for cherry-picking

      - name: Automatic Cherry Pick
        uses: vendoo/gha-cherry-pick@v1
        with:
          # Assuming the cherry-pick commit SHA is passed in the comment like '/cherry-pick sha'
          commit-sha: ${{ github.event.comment.body }}
        env:
          GITHUB_TOKEN: ${{ secrets.BOT_GITHUB_TOKEN }}

      - name: Create a new branch for PR
        run: |
          PR_BRANCH="cherry-pick-${GITHUB_SHA}-to-${{ github.base_ref }}"
          git checkout -b $PR_BRANCH
          git push origin $PR_BRANCH
        env:
          GITHUB_TOKEN: ${{ secrets.BOT_GITHUB_TOKEN }}

      - name: Create Pull Request
        uses: actions/github-script@v5
        with:
          script: |
            const prTitle = "Cherry-pick to ${{ github.base_ref }}"
            const prBody = "Automated cherry-pick of ${{ github.event.comment.body }}\n\n/cc @kubbot"
            const base = "${{ github.base_ref }}"
            const head = "cherry-pick-${{ github.sha }}-to-${{ github.base_ref }}"
            const createPr = await github.rest.pulls.create({
              owner: context.repo.owner,
              repo: context.repo.repo,
              title: prTitle,
              body: prBody,
              head: head,
              base: base,
              maintainer_can_modify: true, // Allows maintainers to edit the PR
            })
        env:
          GITHUB_TOKEN: ${{ secrets.BOT_GITHUB_TOKEN }}