pr-if-new-kernel.yml

on:
  workflow_dispatch:
  schedule:
    - cron: '0 5 * * *'
jobs:
  update:
    runs-on: ubuntu-latest
    permissions:
      pull-requests: write
      contents: write
      actions: write
    steps:
      - uses: actions/checkout@v4
      - uses: actions/setup-python@v5
        with:
          python-version: '3.12'
      - run: |
          OUTPUT=$(python update-kernel.py)
          echo $OUTPUT
          echo "has-update=$OUTPUT" >> "$GITHUB_OUTPUT"
        id: update
      - name: create pull request
        run: |
          if [[ '${{ steps.update.outputs.has-update }}' ]]; then
            git checkout -b update-kernel
            git add prepare_source
            git config --global user.name "Garden Linux Builder"
            git config --global user.email "gardenlinux@users.noreply.github.com"
            git commit -am 'Update kernel ${{ steps.update.outputs.has-update }}'
            git push --set-upstream origin update-kernel
            UPDATE_PR_LINK=$(gh pr create --base main --head update-kernel --title 'Update kernel ${{ steps.update.outputs.has-update }}' --body "automated update" --reviewer fwilhe)
            # We have to trigger our own workflow run because github does not do that when the pr is created by automation
            # This also means that we don't have the nice UI integration of test runs, so we add a comment to the workflow url for tracing purposes
            gh workflow run "build.yml" --ref "update-kernel"
            echo wait a few seconds until the workflow has started
            sleep 5
            RUN_URL=$(gh run list --workflow=build.yml --limit=1 --branch=update-kernel --json=url --jq='.[0].url')
            gh pr comment $UPDATE_PR_LINK --body "CI workflow created: $RUN_URL"
          fi
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}