stable.yml

name: Build stable kernel package

on:
  workflow_dispatch:
    inputs:
      release:
        type: choice
        description: Release type
        options:
          - none
          - pre-release
          - release

env:
  HOME: /home/runner
  KERNEL_STABLE_VER: 6.8.4
  PKGVER: 2

jobs:
  apt:
    name: Setup dependencies
    runs-on: self-hosted
    steps:
      - run: |
            sudo apt-get update \
            && sudo apt-get install -y build-essential \
                 bc kmod cpio flex libncurses-dev \
                 libelf-dev libssl-dev dwarves bison \
                 gawk openssl libssl-dev dkms libudev-dev \
                 libpci-dev libiberty-dev autoconf \
                 debhelper lz4
  checkout:
    name: Checkout main repo
    needs: apt
    runs-on: self-hosted
    steps:
      - uses: actions/checkout@v4
        with:
          submodules: true

  download_source:
    name: Download linux kernel source
    needs: [apt, checkout]
    runs-on: self-hosted
    steps:
      - run: |
            wget https://cdn.kernel.org/pub/linux/kernel/v6.x/linux-${{ env.KERNEL_STABLE_VER }}.tar.xz \
            && tar xvf linux-${{ env.KERNEL_STABLE_VER }}.tar.xz

  apply_patch:
    name: Apply patches
    needs: [apt, checkout, download_source]
    runs-on: self-hosted
    steps:
      - working-directory: linux-${{ env.KERNEL_STABLE_VER }}
        run: |
          patch -Np1 -i ../patches/kernel_compiler_patch/more-uarches-for-kernel-6.8-rc4+.patch
          for i in ../patches/xanmod/linux-6.8.y-xanmod/net/netfilter/*FLOWOFFLOAD*.patch \
            ../patches/xanmod/linux-6.8.y-xanmod/net/tcp/bbr3/*.patch \
            ../patches/xanmod/linux-6.8.y-xanmod/net/tcp/cloudflare/*.patch; do 
            patch -Np1 -i ${i}
          done
          patch -Np1 -i ../patches/cachy/6.8/0001-aex-xts.patch
          patch -Np1 -i ../patches/cachy/6.8/0007-ksm.patch
          patch -Np1 -i ../patches/cachy/6.8/0008-zstd.patch
          patch -Np1 -i ../patches/cachy/6.8/misc/intel/0001-intel-thread-director.patch
          patch -Np1 -i ../patches/cachy/6.8/misc/intel/0002-pcores-fair.patch
          patch -Np1 -i ../patches/tcp-brutal/0001-net-tcp_brutal-make-it-as-a-built-in-kernel-module.patch
          patch -Np1 -i ../patches/tcp-brutal/0002-net-tcp_brutal-use-div_u64-to-let-it-build-on-32-bit.patch
          patch -Np1 -i ../patches/bcm-fullcone/0001-netfilter-nat-add-brcm-fullcone-support.patch
          patch -Np1 -i ../patches/bcm-fullcone/0002-netfilter-nat-add-brcm-fullcone-nft-support.patch

  setup_config:
    name: Setup config
    needs: [apt, checkout, download_source, apply_patch]
    runs-on: self-hosted
    strategy:
      fail-fast: false
      max-parallel: 2
      matrix:
        config: [generic, cloud]
    steps:
      - working-directory: linux-${{ env.KERNEL_STABLE_VER }}
        run: |
          scripts/config --file ../config.${{ matrix.config }} \
                         --set-str LOCALVERSION "-egoist-${{ matrix.config }}"
          # /proc/config.gz
          scripts/config --file ../config.${{ matrix.config }} \
                         -e IKCONFIG \
                         -e IKCONFIG_PROC
          # x86-64-v2
          scripts/config --file ../config.${{ matrix.config }} \
                         -d GENERIC_CPU \
                         -e GENERIC_CPU2
          # xt_FLOWOFFLOAD
          scripts/config --file ../config.${{ matrix.config }} \
                         -e NETFILTER_XT_TARGET_FLOWOFFLOAD
          # BBR3
          scripts/config --file ../config.${{ matrix.config }} \
                         -m TCP_CONG_CUBIC \
                         -d DEFAULT_CUBIC \
                         -e TCP_CONG_BBR \
                         -e DEFAULT_BBR \
                         --set-str DEFAULT_TCP_CONG bbr
          # BBR3 doesn't work properly with FQ_CODEL
          scripts/config --file ../config.${{ matrix.config }} \
                         -m NET_SCH_FQ_CODEL \
                         -e NET_SCH_FQ \
                         -d DEFAULT_FQ_CODEL \
                         -e DEFAULT_FQ \
                         --set-str DEFAULT_NET_SCH fq
          # TCP Brutal
          scripts/config --file ../config.${{ matrix.config }} \
                         -m TCP_CONG_BRUTAL
          # zswap
          scripts/config --file ../config.${{ matrix.config }} \
                         -e ZSWAP_DEFAULT_ON \
                         -d ZSWAP_COMPRESSOR_DEFAULT_LZO \
                         -e ZSWAP_COMPRESSOR_DEFAULT_ZSTD
          # NTFS3
          scripts/config --file ../config.${{ matrix.config }} \
                         -m NTFS3_FS \
                         -e NTFS3_LZX_XPRESS \
                         -e NTFS3_FS_POSIX_ACL
          # SMB
          scripts/config --file ../config.${{ matrix.config }} \
                         -m SMB_SERVER \
                         -e SMB_SERVER_SMBDIRECT \
                         -e SMB_SERVER_CHECK_CAP_NET_ADMIN \
                         -e SMB_SERVER_KERBEROS5
          # Security
          scripts/config --file ../config.${{ matrix.config }} \
                         -e SECURITY_SELINUX \
                         -e SECURITY_SELINUX_BOOTPARAM \
                         -e SECURITY_SMACK \
                         -e SECURITY_SMACK_BRINGUP \
                         -e SECURITY_SMACK_NETFILTER \
                         -e SECURITY_SMACK_APPEND_SIGNALS \
                         -e SECURITY_TOMOYO \
                         -e SECURITY_APPARMOR \
                         -e SECURITY_YAMA

  build_kernel:
    name: Build Kernel
    needs: [apt, checkout, download_source, apply_patch, setup_config]
    runs-on: self-hosted
    strategy:
      fail-fast: false
      max-parallel: 1
      matrix:
        config: [generic, cloud]
    steps:
      - working-directory: linux-${{ env.KERNEL_STABLE_VER }}
        env:
          DEBEMAIL: "love4taylor <i@love4taylor.com>"
          KDEB_COMPRESS: "xz"
        run: |
          mkdir -p ../${{ matrix.config }}
          make \
            KBUILD_OUTPUT=../${{ matrix.config }} \
            KCONFIG_CONFIG=../config.${{ matrix.config }} \
            olddefconfig
          make \
            KBUILD_OUTPUT=../${{ matrix.config }} \
            KCONFIG_CONFIG=../config.${{ matrix.config }} \
            KDEB_PKGVERSION=$(make kernelversion)-${{ env.PKGVER }} \
            -j`nproc` \
            bindeb-pkg

  upload_config:
    name: Upload config
    needs: [apt, checkout, download_source, apply_patch, setup_config, build_kernel]
    runs-on: self-hosted
    strategy:
      fail-fast: false
      max-parallel: 2
      matrix:
        config: [generic, cloud]
    steps:
      - uses: actions/upload-artifact@v4
        with:
          name: config.${{ matrix.config }}
          path: config.${{ matrix.config }}

  upload_deb:
    name: Upload deb
    needs: [apt, checkout, download_source, apply_patch, setup_config, build_kernel]
    runs-on: self-hosted
    strategy:
      fail-fast: false
      max-parallel: 2
      matrix:
        config: [generic, cloud]
    steps:
      - uses: actions/upload-artifact@v4
        with:
          name: deb.${{ matrix.config }}
          path: |
            linux-image-${{ env.KERNEL_STABLE_VER }}-egoist-${{ matrix.config }}_${{ env.KERNEL_STABLE_VER }}-${{ env.PKGVER }}_amd64.deb
            linux-headers-${{ env.KERNEL_STABLE_VER }}-egoist-${{ matrix.config }}_${{ env.KERNEL_STABLE_VER }}-${{ env.PKGVER }}_amd64.deb
            linux-libc-dev_${{ env.KERNEL_STABLE_VER }}-${{ env.PKGVER }}_amd64.deb
          compression-level: 0

  release:
    name: Release
    needs: [apt, checkout, download_source, apply_patch, setup_config, build_kernel]
    runs-on: self-hosted
    strategy:
      fail-fast: false
      matrix:
        config: [generic, cloud]
    steps:
      - if: ${{ github.event.inputs.release != 'none' }}
        uses: ncipollo/release-action@v1
        with:
          allowUpdates: true
          artifacts: |
            linux-image-${{ env.KERNEL_STABLE_VER }}-egoist-${{ matrix.config }}_${{ env.KERNEL_STABLE_VER }}-${{ env.PKGVER }}_amd64.deb
            linux-headers-${{ env.KERNEL_STABLE_VER }}-egoist-${{ matrix.config }}_${{ env.KERNEL_STABLE_VER }}-${{ env.PKGVER }}_amd64.deb
            linux-libc-dev_${{ env.KERNEL_STABLE_VER }}-${{ env.PKGVER }}_amd64.deb
          prerelease: ${{ github.event.inputs.release == 'pre-release' }}
          makeLatest: ${{ github.event.inputs.release == 'release' }}
          tag: ${{ env.KERNEL_STABLE_VER }}-${{ env.PKGVER }}