upup-kernel.yml

name: upup-kernel

on:
  schedule:
    - cron: '0 0 1 * *'
  workflow_dispatch:

jobs:
  build:
    if: github.event_name != 'schedule' || (github.repository == 'puppylinux-woof-CE/woof-CE' && github.ref == 'refs/heads/testing')
    runs-on: ubuntu-22.04
    container:
      image: ubuntu:${{ matrix.release }}
      volumes:
        - /usr:/hostusr
    strategy:
      matrix:
        release: [jammy, noble]
    steps:
      - uses: actions/checkout@v4
      - name: Install dependencies
        run: |
          rm -rf /hostusr/local/lib/android /hostusr/share/dotnet # increase free space, we don't need these
          apt-get update -qq
          apt-get upgrade -y
          apt-get install -y --no-install-recommends curl wget ca-certificates git file squashfs-tools xz-utils zstd diffutils patch make flex bison python3 bc bzip2 kmod rsync libelf-dev libssl-dev dwarves gcc jq
          apt-get install -y linux-image-generic linux-source
          curl https://raw.githubusercontent.com/puppylinux-woof-CE/initrd_progs/master/pkg/w_apps_static/w_apps/vercmp.c | gcc -x c -o /usr/local/bin/vercmp -
          echo "dash dash/sh boolean false" | debconf-set-selections
          DEBIAN_FRONTEND=noninteractive dpkg-reconfigure dash
      - name: Build kernel
        run: |
          cd kernel-kit
          tar -xjf /usr/src/linux-source-*.tar.bz2
          ver=`grep -E '^(VERSION|PATCHLEVEL|SUBLEVEL) =' linux-source-*/Makefile | awk '{print $3}' | tr '\n' . | sed 's/\.$//'`
          mv -f linux-source-* linux-$ver
          mkdir -p sources/kernels
          tar -c linux-$ver | xz -1 > sources/kernels/linux-$ver.tar.xz
          cd linux-$ver
          ./scripts/kconfig/merge_config.sh /boot/config-*-generic ../ubuntu-diffconfigs/${{ matrix.release }}
          mv -f .config ../configs_x86_64/DOTconfig-$ver-x86_64
          apt-get autoremove -y linux-image-generic linux-source
          cd ..
          rm -rf linux-$ver
          md5sum sources/kernels/linux-$ver.tar.xz | sed s~sources/kernels/~~ > sources/kernels/linux-$ver.tar.xz.md5.txt
          echo "DOTconfig_file=configs_x86_64/DOTconfig-$ver-x86_64" >> build.conf
          echo "kernel_ver=$ver" >> build.conf
          echo "package_name_suffix=kernel-kit" >> build.conf
          echo "COMP=\"-comp zstd -Xcompression-level 19 -b 256K -no-exports -no-xattrs\"" >> build.conf
          echo "fware=n" >> build.conf
          echo "AUTO=yes" >> build.conf
          echo "AUFS=no" >> build.conf
          CREATE_KBUILD_SFS=yes ./build.sh
          rm -rf kernel_sources-*
          ./usrmerge.sh
          mkdir small-output
          mv `ls output/kernel_sources-*.sfs* output/kbuild-*.sfs* output/*.tar* 2>/dev/null` small-output
          rm -rf output
      - name: Upload kernel
        uses: actions/upload-artifact@v4
        with:
          name: kernel-kit-output-usrmerge-ubuntu-${{ matrix.release }}-x86_64
          path: kernel-kit/small-output
          retention-days: 31