name: Daily Pull Request

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

jobs:
  create-pull-request:
    runs-on: ubuntu-latest
    steps:
      - name: Check out repository
        uses: actions/checkout@v2

      - name: Make changes
        run: |
          # Update ZFS package to match the latest supported Linux kernel version

          raw_latest_zfs=$(curl -s https://raw.githubusercontent.com/openzfs/zfs/master/META | grep Linux-Maximum | cut -d" " -f2)

          latest_zfs="${raw_latest_zfs//./_}"

          sed -i "s/linuxPackages_6_[0-9]\+/linuxPackages_$latest_zfs/" systems/common/global/default.nix

          # Commit the changes
          git config user.name "GitHub Actions Bot"
          git config user.email "<>"
          git add systems/common/global/default.nix
          git commit -m "Update Linux kernel and ZFS packages"

      - name: Create Pull Request
        uses: peter-evans/create-pull-request@v3
        with:
          token: ${{ secrets.GITHUB_TOKEN }}
          commit-message: Daily update
          title: Daily update
          body: |
            This is an automated pull request.
            Daily update performed+9 at $(date)
          branch: daily-update
          delete-branch: true