GitHub Actionsでupstreamブランチを取り込むPull Requestを自動作成する

name: Create a pull request to merge upstream changes

on:
  schedule:
    - cron: "0 0 * * 6"
  workflow_dispatch:

permissions:
  contents: write
  pull-requests: write

jobs:
  create_pr:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
        with:
          ref: main
      - run: git config user.name "github-actions[bot]"
      - run: git config user.email "41898282+github-actions[bot]@users.noreply.github.com"
      - run: git remote add upstream https://github.com/user/repository.git
      - run: git fetch upstream
      - run: |
          git merge --allow-unrelated-histories upstream/main || true
          git commit -a -m "Merge upstream/main with conflicts"
      - uses: peter-evans/create-pull-request@v6
        with:
          token: ${{ secrets.GITHUB_TOKEN }}
          branch: upstream/main
          delete-branch: true
          title: "chore: Merge upstream changes"