cuda-python/.github/workflows/backport.yml at main · NVIDIA/cuda-python · GitHub

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# SPDX-FileCopyrightText: Copyright (c) 2024-2025 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
#
# SPDX-License-Identifier: Apache-2.0

name: "CI: Backport the merged PR"

on:
  pull_request_target:
    types: [closed, labeled]
    branches:
      - main
  workflow_dispatch:
    inputs:
      backport-branch:
        description: "Branch to backport commits onto"
        required: false
        type: string
      pull-request:
        description: "PR to backport"
        required: true
        type: number


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

jobs:
  backport-from-pr:
    name: Backport directly from a pull request
    if: ${{ github.repository_owner == 'nvidia' &&
            github.event.pull_request.merged == true &&
            contains( github.event.pull_request.labels.*.name, 'to-be-backported')
         }}
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd  # v6.0.2

      - name: Load branch name
        id: get-branch
        run: |
          OLD_BRANCH=$(yq '.backport_branch' ci/versions.yml)
          echo "OLD_BRANCH=${OLD_BRANCH}" >> $GITHUB_ENV

      - name: Create backport pull requests
        uses: korthout/backport-action@3c06f323a58619da1e8522229ebc8d5de2633e46  # v4.3.0
        with:
          copy_assignees: true
          copy_labels_pattern: true
          copy_requested_reviewers: true
          target_branches: ${{ env.OLD_BRANCH }}
  backport-to-branch:
    name: Backport a specific PR against a specific branch
    if: github.repository_owner == 'nvidia' && github.event_name == 'workflow_dispatch'
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd  # v6.0.2

      - name: Load branch from environment name
        if: inputs.backport-branch == null
        run: |
          BACKPORT_BRANCH=$(yq '.backport_branch' ci/versions.yml)
          echo "BACKPORT_BRANCH=${BRANCH}" >> $GITHUB_ENV

      - name: Load branch name from input
        if: inputs.backport-branch != null
        run: echo "BACKPORT_BRANCH=${{ inputs.backport-branch }}" >> $GITHUB_ENV

      - name: Create backport pull requests
        uses: korthout/backport-action@3c06f323a58619da1e8522229ebc8d5de2633e46  # v4.3.0
        with:
          copy_assignees: true
          copy_labels_pattern: true
          copy_requested_reviewers: true
          target_branches: ${{ env.BACKPORT_BRANCH }}
          source_pr_number: ${{ inputs.pull-request }}