update-kernel-configs.yml

name: Update kernel config
on:
  schedule:
    - cron: '17 */12 * * *' # “At minute 17 past every 12th hour.”
  workflow_dispatch:

jobs:

  update-kernel-config:
    runs-on: ubuntu-latest
    strategy:
      fail-fast: false
      max-parallel: 1
      matrix:
        include:
          - link: https://gitlab.archlinux.org/archlinux/packaging/packages/linux
            filename: config.x86_64
            tag_suffix: .arch
          - link: https://gitlab.archlinux.org/archlinux/packaging/packages/linux-lts
            filename: config
            tag_suffix: '-'

    steps:
      - name: Get latest config file version upstream
        id: upstream-config
        run: |
          set -o pipefail
          git -c 'versionsort.suffix=${{ matrix.tag_suffix }}' \
          ls-remote --exit-code --refs --sort='version:refname' --tags ${{ matrix.link }}.git '*.*' \
          | cut --delimiter='/' --fields=3 | tail -n 1 > latest-upstream-config
          echo "latest=$(cat latest-upstream-config)" >> $GITHUB_OUTPUT
          echo "kver=$(cat latest-upstream-config | cut -d. -f 1,2 )" >> $GITHUB_OUTPUT

      - name: Checkout linux-tkg
        uses: actions/checkout@v4

      - name: Update config file
        id: update-config
        run: |
          cd linux-tkg-config/${{ steps.upstream-config.outputs.kver }}
          wget ${{ matrix.link }}/-/raw/main/${{ matrix.filename }} -O config.x86_64
          if git diff --exit-code config.x86_64
          then
            echo "config-updated=0" >> $GITHUB_OUTPUT
          else
            echo "config-updated=1" >> $GITHUB_OUTPUT
          fi

      - name: Push changes
        if: steps.update-config.outputs.config-updated == '1'
        run: |
          git config --global user.name 'Frogminer'
          git config --global user.email 'frogminer@miner.frog'
          git pull
          git commit -am "Update ${{ steps.upstream-config.outputs.kver }} kernel config to ${{ steps.upstream-config.outputs.latest }}"
          git push