#!/bin/bash
UPDATED="2024-03-20"

DISABLE=1        # disable some options
ENABLE=1         # enable some options
SECURED=1        # enable/disable security
UARCH=1          # apply more uarch patch
FKH=0            # apply fast kernel headers patch
CLANG=1          # use Clang compiler (if not, use GCC)
O3=1             # use -O3 vs -O2 (optimisation)
ARCH="x86-64-v4" # target architecture (uarch patch)
CONFIGCLOUD=1    # enable cloud 'from' config
CONFIGOLD=1      # enable old def config
CONFIGMOD=0      # enable all mod config
SCRATCH=0        # perform from scratch (remove preexisting content)
UNCOMPRESS=1     # perform uncompress if already exist
CLEANUP=1        # perform folder cleanup
TESTING=0        # add testing options

#
# Sources:
#   https://github.com/sn99/Optimizing-linux#compiling-your-kernel
#   https://wiki.gentoo.org/wiki/Kernel/Optimization
#

# config-cloud-amd64:
#   https://packages.debian.org/source/sid/linux
#       linux-image-6.7.9-cloud-amd64-unsigned
#   Go down to download section, select amd64 and download deb.
#   Open .deb with archiver, browse to boot folder and grab 'config-6.7.9-cloud-amd64'.
#

# more-uarches-for-kernel.patch:
#   https://github.com/graysky2/kernel_compiler_patch
#       more-uarches-for-kernel.patch : more-uarches-for-kernel-6.8-rc4+.patch
#

#
# Prerequisites:
#   sudo apt install build-essential fakeroot dpkg-dev perl libssl-dev bc gnupg dirmngr libncurses-dev libelf-dev flex bison lsb-release rsync dwarves clang llvm lld debhelper
#

#
# In case of usage of uninstall.sh, you must reinstall 'linux-libc-dev' with the version of used kernel
#

#
# To make a diff of different .config file:
#   diff --side-by-side --suppress-common-lines --ignore-tab-expansion --ignore-trailing-space --ignore-space-change --ignore-blank-lines --text CONFIG1 CONFIG2
#

doBuildSystem() {
    echo "v$UPDATED"
}

# Display introduction
doIntro() {
    echo
    if [ $TESTING == 1 ]; then
        echo "Debian Kernel Builder: $HOSTNAME [TEST]"
    else
        echo "Debian Kernel Builder: $HOSTNAME"
    fi
    doBuildSystem
    echo
}

# Show date/time header
doHeader() {
    NOW=$(date +"%Y/%m/%d %H:%M:%S")
    echo "- $NOW"
    echo ""
}

if [ "$(id -u)" != "0" ]; then
    doIntro
    doHeader
    echo
    echo "This script must be run as root" 1>&2
    echo
    exit 1
fi

LOGNAME=kernel
LOGEXT=log
LOGFILE=""
NPROC=$(nproc)
HOSTNAME=$(hostname)
SELF=$(realpath $0)
SCRIPT=$(basename $SELF)
CWD=$(dirname $SELF)
CURRENT=$CWD

BRANCH=$1
BRANCH="${BRANCH:=help}"
VERSION=$2
VERSION="${VERSION:=help}"
STEPS=$3
STEPS="${STEPS:=help}"
WORKDIR=""

cd $CURRENT

# Force sync & flush
doSync() {
    sync
    echo 3 >/proc/sys/vm/drop_caches
}

# Display header infos
doHead() {
    doIntro
    doHeader
}

# Display help
doHelp() {
    doIntro
    doHeader

    if [ $BRANCH != "help" ]; then
        echo ">>> Unspecified, unknown or invalid option specified !"
        echo
    fi
    echo "Usage: $SCRIPT 'branch' 'version'"
    echo
    echo "branch : Main branch (eg. 6.x)"
    echo "version: Full version tag (eg. 6.6.1)"
    echo
}

# Display step infos
doEchoStep() {
    NOW=$(date +"%Y/%m/%d %H:%M:%S")
    echo "### $NOW - $1"
}

# Scratch
doScratch() {
    if [ $SCRATCH == 1 ]; then
        if [ -d $WORKDIR ]; then
            doEchoStep "Scratch: remove existing content"
            rm -rf $WORKDIR
        else
            doEchoStep "Scratch: existing previous content not found"
        fi
    fi
}

# Download
doDownload() {
    if [[ -d $WORKDIR && -f $WORKDIR/linux-$VERSION.tar.xz ]]; then
        doEchoStep "$BRANCH/$VERSION already present (don't download)"
    else
        mkdir -p $WORKDIR
        cd $WORKDIR

        doEchoStep "Download branch '$BRANCH' version '$VERSION'"
        wget --compression=auto --show-progress --no-verbose --inet4-only https://cdn.kernel.org/pub/linux/kernel/v$BRANCH/linux-$VERSION.tar.sign
        wget --compression=auto --show-progress --no-verbose --inet4-only https://cdn.kernel.org/pub/linux/kernel/v$BRANCH/linux-$VERSION.tar.xz
        doSync

        result=$?
        if [ ! result==0 ]; then
            echo ">>> Error in download !"
            exit 1
        fi
    fi
}

# Uncompress
doPerformUncompress() {
    cd $WORKDIR
    doEchoStep "Uncompress"
    rm -rf linux-$VERSION
    tar -xaf linux-$VERSION.tar.xz
    result=$?
    if [ ! result==0 ]; then
        echo ">>> Error in uncompress !"
        exit 1
    fi
}
doUncompress() {
    if [ -d $WORKDIR ]; then
        if [ $UNCOMPRESS == 1 ]; then
            doPerformUncompress
        else
            doEchoStep "$BRANCH/$VERSION already present (don't uncompress)"
        fi
    else
        doPerformUncompress
    fi

    doSync
}

# Clean folder
doCleanup() {
    if [ $CLEANUP == 1 ]; then
        cd $WORKDIR

        doEchoStep "Cleanup"
        if [ "$CLANG" == "1" ]; then
            make -j${NPROC} LLVM=1 CC="ccache clang" distclean
        else
            make -j${NPROC} CC="ccache gcc" distclean
        fi
        result=$?
        if [ ! result==0 ]; then
            echo ">>> Error in cleanup !"
            exit 1
        fi
    fi
}

# Copy .config from cloud kernel
doConfigCloud() {
    if [ $CONFIGCLOUD == 1 ]; then
        cd $WORKDIR

        doEchoStep "Copy cloud kernel .config"
        if [ -f .config ]; then
            cp .config .config.cloud.before
        fi
        cp $CURRENT/config-cloud-amd64 .config
        result=$?
        if [ ! result==0 ]; then
            echo ">>> Error in cloud kernel .config copy!"
            exit 1
        fi
        cp .config .config.cloud.after
    fi
}

# Generate .config from old kernel
doOldOne() {
    if [ $CONFIGOLD == 1 ]; then
        cd $WORKDIR

        doEchoStep "Generate config from old kernel .config"
        if [ -f .config ]; then
            cp .config .config.old.before
        fi
        if [ "$CLANG" == "1" ]; then
            make -j${NPROC} LLVM=1 CC="ccache clang" olddefconfig
        else
            make -j${NPROC} CC="ccache gcc" olddefconfig
        fi
        result=$?
        if [ ! result==0 ]; then
            echo ">>> Error in generate .config !"
            exit 1
        fi
        cp .config .config.old.after
    fi
}

# Define all modules not included in kernel
doAllMods() {
    if [ $CONFIGMOD == 1 ]; then
        cd $WORKDIR

        doEchoStep "Set all modules to be 'module'"
        if [ -f .config ]; then
            cp .config .config.mod.before
        fi
        if [ "$CLANG" == "1" ]; then
            make -j${NPROC} LLVM=1 CC="ccache clang" allmodconfig
        else
            make -j${NPROC} CC="ccache gcc" allmodconfig
        fi
        result=$?
        if [ ! result==0 ]; then
            echo ">>> Error in set all modules not in kernel !"
            exit 1
        fi
        cp .config .config.mod.after
    fi
}

# Define permissions (user/group) to first user created (default 1000)
doPermissions() {
    cd $WORKDIR

    doEchoStep "Define user/group"
    chown -R 1000:1000 $CURRENT/$BRANCH/$VERSION/.
    result=$?
    if [ ! result==0 ]; then
        echo ">>> Error in chown !"
        exit 1
    fi

    doSync
}

# Strip signature
doStripSig() {
    cd $WORKDIR

    doEchoStep "Remove signature/keys"
    if [ -f .config ]; then
        cp .config .config.stripsig.before
    fi
    ./scripts/config --disable MODULE_SIG_ALL
    ./scripts/config --set-str CONFIG_MODULE_SIG_KEY ""
    ./scripts/config --set-str CONFIG_SYSTEM_TRUSTED_KEY ""
    ./scripts/config --set-str CONFIG_SYSTEM_REVOCATION_KEYS ""
    result=$?
    if [ ! result==0 ]; then
        echo ">>> Error in chown !"
        exit 1
    fi
    cp .config .config.stripsig.after
}

# Strip debug informations
doStripDebug() {
    cd $WORKDIR

    doEchoStep "Remove debug informations"
    if [ -f .config ]; then
        cp .config .config.stripdebug.before
    fi
    ./scripts/config --disable DEBUG_INFO
    ./scripts/config --enable DEBUG_INFO_NONE
    result=$?
    if [ ! result==0 ]; then
        echo ">>> Error in chown !"
        exit 1
    fi
    cp .config .config.stripdebug.after
}

# Apply more uarch patch
doMoreUarch() {
    if [ $UARCH == 1 ]; then
        cd $WORKDIR

        doEchoStep "Apply 'uarches' patch"
        if [ -f .config ]; then
            cp .config .config.uarches.before
        fi
        patch -p1 <../../../more-uarches-for-kernel.patch
        result=$?
        if [ ! result==0 ]; then
            echo ">>> Error in 'uarches' !"
            exit 1
        fi
        cp .config .config.uarches.after
    fi
}

# Apply Fast Kernel Header patch
doFastKernelHeaders() {
    if [ $FKH == 1 ]; then
        cd $WORKDIR

        doEchoStep "Apply 'fask kernel headers' patch"
        if [ -f .config ]; then
            cp .config .config.fastkernelheaders.before
        fi
        patch -p1 <../../../fast-kernel-headers.patch
        result=$?
        if [ ! result==0 ]; then
            echo ">>> Error in 'fask kernel headers' !"
            exit 1
        fi
        cp .config .config.fastkernelheaders.after
    fi
}

# Generate defaults options for this kernel
doDefaultsDisable() {
    if [ $DISABLE == 1 ]; then
        doEchoStep "Options: disable"
        if [ -f .config ]; then
            cp .config .config.disable.before
        fi
        ./scripts/config --disable CONFIG_WERROR
        ./scripts/config --disable CONFIG_ACCESSIBILITY
        ./scripts/config --disable CONFIG_ACORN_PARTITION
        ./scripts/config --disable CONFIG_ACPI_DEBUG
        ./scripts/config --disable CONFIG_ACPI_DEBUGGER
        ./scripts/config --disable CONFIG_ACPI_EC_DEBUGFS
        ./scripts/config --disable CONFIG_ACRN_GUEST
        ./scripts/config --disable CONFIG_AF_RXRPC
        ./scripts/config --disable CONFIG_AIX_PARTITION
        ./scripts/config --disable CONFIG_AMD_IOMMU
        ./scripts/config --disable CONFIG_AMIGA_PARTITION
        ./scripts/config --disable CONFIG_APPLE_DART
        ./scripts/config --disable CONFIG_APPLE_PROPERTIES
        ./scripts/config --disable CONFIG_ARCH_MEMORY_PROBE
        ./scripts/config --disable CONFIG_ARM_INTEGRATOR_LM
        ./scripts/config --disable CONFIG_ARM_SCMI_PROTOCOL
        ./scripts/config --disable CONFIG_ARM_SCPI_PROTOCOL
        ./scripts/config --disable CONFIG_ARM_SMMU
        ./scripts/config --disable CONFIG_ATA_OVER_ETH
        ./scripts/config --disable CONFIG_ATARI_PARTITION
        ./scripts/config --disable CONFIG_ATM_DRIVERS
        ./scripts/config --disable CONFIG_BFQ_CGROUP_DEBUG
        ./scripts/config --disable CONFIG_BLK_CGROUP_IOLATENCY
        ./scripts/config --disable CONFIG_BLK_DEBUG_FS
        ./scripts/config --disable CONFIG_BLK_DEV_BSGLIB
        ./scripts/config --disable CONFIG_BLK_DEV_INTEGRITY
        ./scripts/config --disable CONFIG_BLK_DEV_THROTTLING_LOW
        ./scripts/config --disable CONFIG_BLK_DEV_ZONED
        ./scripts/config --disable CONFIG_BSD_DISKLABEL
        ./scripts/config --disable CONFIG_BT
        ./scripts/config --disable CONFIG_BTRFS_ASSERT
        ./scripts/config --disable CONFIG_BTRFS_DEBUG
        ./scripts/config --disable CONFIG_BTRFS_FS
        ./scripts/config --disable CONFIG_BTRFS_FS_CHECK_INTEGRITY
        ./scripts/config --disable CONFIG_BTRFS_FS_REF_VERIFY
        ./scripts/config --disable CONFIG_BTRFS_FS_RUN_SANITY_TESTS
        ./scripts/config --disable CONFIG_CACHEFILES_DEBUG
        ./scripts/config --disable CONFIG_CACHEFILES_ONDEMAND
        ./scripts/config --disable CONFIG_CAIF
        ./scripts/config --disable CONFIG_CAN
        ./scripts/config --disable CONFIG_CDROM_PKTCDVD
        ./scripts/config --disable CONFIG_CEPH_LIB
        ./scripts/config --disable CONFIG_CFG80211
        ./scripts/config --disable CONFIG_CGROUP_DEBUG
        ./scripts/config --disable CONFIG_CIFS_DEBUG
        ./scripts/config --disable CONFIG_CMA
        ./scripts/config --disable CONFIG_CMA_DEBUG
        ./scripts/config --disable CONFIG_CMA_DEBUGFS
        ./scripts/config --disable CONFIG_CMA_SYSFS
        ./scripts/config --disable CONFIG_COMPAT_VDSO
        ./scripts/config --disable CONFIG_COMPILE_TEST
        ./scripts/config --disable CONFIG_CPA_DEBUG
        ./scripts/config --disable CONFIG_CPU_SRSO
        ./scripts/config --disable CONFIG_CPU_SUP_AMD
        ./scripts/config --disable CONFIG_CPU_SUP_CENTAUR
        ./scripts/config --disable CONFIG_CPU_SUP_HYGON
        ./scripts/config --disable CONFIG_CPU_SUP_ZHAOXIN
        ./scripts/config --disable CONFIG_CRASH_DUMP
        ./scripts/config --disable CONFIG_DAMON
        ./scripts/config --disable CONFIG_DEBUG_BOOT_PARAMS
        ./scripts/config --disable CONFIG_DEBUG_CGROUP_REF
        ./scripts/config --disable CONFIG_DEBUG_CREDENTIALS
        ./scripts/config --disable CONFIG_DEBUG_DEVRES
        ./scripts/config --disable CONFIG_DEBUG_DRIVER
        ./scripts/config --disable CONFIG_DEBUG_ENTRY
        ./scripts/config --disable CONFIG_DEBUG_KERNEL
        ./scripts/config --disable CONFIG_DEBUG_KOBJECT
        ./scripts/config --disable CONFIG_DEBUG_KOBJECT_RELEASE
        ./scripts/config --disable CONFIG_DEBUG_LIST
        ./scripts/config --disable CONFIG_DEBUG_MAPLE_TREE
        ./scripts/config --disable CONFIG_DEBUG_MISC
        ./scripts/config --disable CONFIG_DEBUG_NMI_SELFTEST
        ./scripts/config --disable CONFIG_DEBUG_NOTIFIERS
        ./scripts/config --disable CONFIG_DEBUG_PERF_USE_VMALLOC
        ./scripts/config --disable CONFIG_DEBUG_PLIST
        ./scripts/config --disable CONFIG_DEBUG_PREEMPT
        ./scripts/config --disable CONFIG_DEBUG_RSEQ
        ./scripts/config --disable CONFIG_DEBUG_SG
        ./scripts/config --disable CONFIG_DEBUG_SHIRQ
        ./scripts/config --disable CONFIG_DEBUG_TEST_DRIVER_REMOVE
        ./scripts/config --disable CONFIG_DEBUG_TIMEKEEPING
        ./scripts/config --disable CONFIG_DEBUG_TLBFLUSH
        ./scripts/config --disable CONFIG_DEBUG_WQ_FORCE_RR_CPU
        ./scripts/config --disable CONFIG_DRM_AMDGPU
        ./scripts/config --disable CONFIG_DRM_HDLCD
        ./scripts/config --disable CONFIG_DRM_KOMEDA
        ./scripts/config --disable CONFIG_DRM_LEGACY
        ./scripts/config --disable CONFIG_DRM_MALI_DISPLAY
        ./scripts/config --disable CONFIG_DRM_RADEON
        ./scripts/config --disable CONFIG_DVB_DUMMY_FE
        ./scripts/config --disable CONFIG_DVB_MMAP
        ./scripts/config --disable CONFIG_EARLY_PRINTK
        ./scripts/config --disable CONFIG_EDD
        ./scripts/config --disable CONFIG_EFI_FAKE_MEMMAP
        ./scripts/config --disable CONFIG_EFI_PGT_DUMP
        ./scripts/config --disable CONFIG_EISA
        ./scripts/config --disable CONFIG_EXT3_FS
        ./scripts/config --disable CONFIG_EXT4_DEBUG
        ./scripts/config --disable CONFIG_EXT4_KUNIT_TESTS
        ./scripts/config --disable CONFIG_F2FS_FS
        ./scripts/config --disable CONFIG_FAT_KUNIT_TEST
        ./scripts/config --disable CONFIG_FAULT_INJECTION
        ./scripts/config --disable CONFIG_FDDI
        ./scripts/config --disable CONFIG_FIREWIRE
        ./scripts/config --disable CONFIG_FIREWIRE_NOSY
        ./scripts/config --disable CONFIG_FS_DAX
        ./scripts/config --disable CONFIG_FSCACHE_DEBUG
        ./scripts/config --disable CONFIG_FTRACE
        ./scripts/config --disable CONFIG_FUJITSU_ES
        ./scripts/config --disable CONFIG_FUNCTION_ERROR_INJECTION
        ./scripts/config --disable CONFIG_FW_DEVLINK_SYNC_STATE_TIMEOUT
        ./scripts/config --disable CONFIG_GCOV_KERNEL
        ./scripts/config --disable CONFIG_GENERIC_IRQ_DEBUGFS
        ./scripts/config --disable CONFIG_GFS2_FS
        ./scripts/config --disable CONFIG_GNSS
        ./scripts/config --disable CONFIG_GOOGLE_FIRMWARE
        ./scripts/config --disable CONFIG_HAMRADIO
        ./scripts/config --disable CONFIG_HIBERNATION
        ./scripts/config --disable CONFIG_HIPPI
        ./scripts/config --disable CONFIG_HOTPLUG_PCI
        ./scripts/config --disable CONFIG_HYPERV_NET
        ./scripts/config --disable CONFIG_HYPERV_TESTING
        ./scripts/config --disable CONFIG_IOSF_MBI
        ./scripts/config --disable CONFIG_IOSF_MBI_DEBUG
        ./scripts/config --disable CONFIG_IRQ_TIME_ACCOUNTING
        ./scripts/config --disable CONFIG_ISA_BUS
        ./scripts/config --disable CONFIG_ISDN
        ./scripts/config --disable CONFIG_JBD2_DEBUG
        ./scripts/config --disable CONFIG_JFS_FS
        ./scripts/config --disable CONFIG_KARMA_PARTITION
        ./scripts/config --disable CONFIG_KCOV
        ./scripts/config --disable CONFIG_KEXEC_BZIMAGE_VERIFY_SIG
        ./scripts/config --disable CONFIG_KEXEC_SIG
        ./scripts/config --disable CONFIG_KEXEC_SIG_FORCE
        ./scripts/config --disable CONFIG_KVM_XEN
        ./scripts/config --disable CONFIG_LDM_PARTITION
        ./scripts/config --disable CONFIG_LIB80211_DEBUG
        ./scripts/config --disable CONFIG_LOCK_EVENT_COUNTS
        ./scripts/config --disable CONFIG_LRU_GEN_STATS
        ./scripts/config --disable CONFIG_MAC_PARTITION
        ./scripts/config --disable CONFIG_MAC80211
        ./scripts/config --disable CONFIG_MACINTOSH_DRIVERS
        ./scripts/config --disable CONFIG_MEDIA_CONTROLLER_DVB
        ./scripts/config --disable CONFIG_MEMORY_FAILURE
        ./scripts/config --disable CONFIG_MEMTEST
        ./scripts/config --disable CONFIG_MICROCODE_LATE_LOADING
        ./scripts/config --disable CONFIG_MINIX_SUBPARTITION
        ./scripts/config --disable CONFIG_MODIFY_LDT_SYSCALL
        ./scripts/config --disable CONFIG_MODULE_ALLOW_MISSING_NAMESPACE_IMPORTS
        ./scripts/config --disable CONFIG_MODULE_DEBUG
        ./scripts/config --disable CONFIG_MODULE_FORCE_UNLOAD
        ./scripts/config --disable CONFIG_MODULE_SIG
        ./scripts/config --disable CONFIG_MODULE_SRCVERSION_ALL
        ./scripts/config --disable CONFIG_MODULE_UNLOAD_TAINT_TRACKING
        ./scripts/config --disable CONFIG_MODVERSIONS
        ./scripts/config --disable CONFIG_NET_9P
        ./scripts/config --disable CONFIG_NET_SB1000
        ./scripts/config --disable CONFIG_NETDEVSIM
        ./scripts/config --disable CONFIG_NFC
        ./scripts/config --disable CONFIG_NILFS2_FS
        ./scripts/config --disable CONFIG_NO_HZ
        ./scripts/config --disable CONFIG_NTFS_DEBUG
        ./scripts/config --disable CONFIG_NTFS3_64BIT_CLUSTER
        ./scripts/config --disable CONFIG_OCFS2_FS
        ./scripts/config --disable CONFIG_OSF_PARTITION
        ./scripts/config --disable CONFIG_PAGE_POOL_STATS
        ./scripts/config --disable CONFIG_PARAVIRT_DEBUG
        ./scripts/config --disable CONFIG_PARAVIRT_TIME_ACCOUNTING
        ./scripts/config --disable CONFIG_PARPORT
        ./scripts/config --disable CONFIG_PCCARD
        ./scripts/config --disable CONFIG_PCI_CNB20LE_QUIRK
        ./scripts/config --disable CONFIG_PCI_DEBUG
        ./scripts/config --disable CONFIG_PCI_EPF_TEST
        ./scripts/config --disable CONFIG_PCI_P2PDMA
        ./scripts/config --disable CONFIG_PCI_PF_STUB
        ./scripts/config --disable CONFIG_PCI_STUB
        ./scripts/config --disable CONFIG_PCIE_ECRC
        ./scripts/config --disable CONFIG_PCIEAER_INJECT
        ./scripts/config --disable CONFIG_PERF_EVENTS_AMD_UNCORE
        ./scripts/config --disable CONFIG_PM_DEBUG
        ./scripts/config --disable CONFIG_PPS
        ./scripts/config --disable CONFIG_PROVE_RCU_LIST
        ./scripts/config --disable CONFIG_PROVIDE_OHCI1394_DMA_INIT
        ./scripts/config --disable CONFIG_PSE_CONTROLLER
        ./scripts/config --disable CONFIG_PUNIT_ATOM_DEBUG
        ./scripts/config --disable CONFIG_QCOM_IPA
        ./scripts/config --disable CONFIG_QFMT_V1
        ./scripts/config --disable CONFIG_QFMT_V2
        ./scripts/config --disable CONFIG_QUOTA_DEBUG
        ./scripts/config --disable CONFIG_RADIO_ADAPTERS
        ./scripts/config --disable CONFIG_RAPIDIO
        ./scripts/config --disable CONFIG_RCU_CPU_STALL_CPUTIME
        ./scripts/config --disable CONFIG_RCU_EQS_DEBUG
        ./scripts/config --disable CONFIG_RCU_STRICT_GRACE_PERIOD
        ./scripts/config --disable CONFIG_RCU_TRACE
        ./scripts/config --disable CONFIG_READ_ONLY_THP_FOR_FS
        ./scripts/config --disable CONFIG_REISERFS_FS
        ./scripts/config --disable CONFIG_RFKILL
        ./scripts/config --disable CONFIG_SAMPLES
        ./scripts/config --disable CONFIG_SECCOMP_CACHE_DEBUG
        ./scripts/config --disable CONFIG_SGI_PARTITION
        ./scripts/config --disable CONFIG_SMS_SIANO_DEBUGFS
        ./scripts/config --disable CONFIG_SOLARIS_X86_PARTITION
        ./scripts/config --disable CONFIG_STRICT_SIGALTSTACK_SIZE
        ./scripts/config --disable CONFIG_SUN_PARTITION
        ./scripts/config --disable CONFIG_SYSV68_PARTITION
        ./scripts/config --disable CONFIG_TEST_ASYNC_DRIVER_PROBE
        ./scripts/config --disable CONFIG_TIME_KUNIT_TEST
        ./scripts/config --disable CONFIG_ULTRIX_PARTITION
        ./scripts/config --disable CONFIG_UNIXWARE_DISKLABEL
        ./scripts/config --disable CONFIG_USB4_NET
        ./scripts/config --disable CONFIG_USELIB
        ./scripts/config --disable CONFIG_VMXNET3
        ./scripts/config --disable CONFIG_WAN
        ./scripts/config --disable CONFIG_WARN_ABI_ERRORS
        ./scripts/config --disable CONFIG_WARN_ALL_UNSEEDED_RANDOM
        ./scripts/config --disable CONFIG_WARN_MISSING_DOCUMENTS
        ./scripts/config --disable CONFIG_WLAN
        ./scripts/config --disable CONFIG_WQ_POWER_EFFICIENT_DEFAULT
        ./scripts/config --disable CONFIG_WWAN
        ./scripts/config --disable CONFIG_X86_16BIT
        ./scripts/config --disable CONFIG_X86_5LEVEL
        ./scripts/config --disable CONFIG_X86_AMD_PLATFORM_DEVICE
        ./scripts/config --disable CONFIG_X86_AMD_PSTATE
        ./scripts/config --disable CONFIG_X86_AMD_PSTATE_UT
        ./scripts/config --disable CONFIG_X86_CHECK_BIOS_CORRUPTION
        ./scripts/config --disable CONFIG_X86_DEBUG_FPU
        ./scripts/config --disable CONFIG_X86_EXTENDED_PLATFORM
        ./scripts/config --disable CONFIG_X86_GOLDFISH
        ./scripts/config --disable CONFIG_X86_INTEL_LPSS
        ./scripts/config --disable CONFIG_X86_INTEL_MID
        ./scripts/config --disable CONFIG_X86_IOPL_IOPERM
        ./scripts/config --disable CONFIG_X86_MCE_INJECT
        ./scripts/config --disable CONFIG_X86_MCELOG_LEGACY
        ./scripts/config --disable CONFIG_X86_MPPARSE
        ./scripts/config --disable CONFIG_X86_P4_CLOCKMOD
        ./scripts/config --disable CONFIG_X86_POWERNOW_K8
        ./scripts/config --disable CONFIG_X86_SPEEDSTEP_CENTRINO
        ./scripts/config --disable CONFIG_XEN
        ./scripts/config --disable CONFIG_XFS_ASSERT_FATAL
        ./scripts/config --disable CONFIG_XFS_DEBUG
        ./scripts/config --disable CONFIG_XFS_ONLINE_REPAIR
        ./scripts/config --disable CONFIG_XFS_ONLINE_SCRUB
        ./scripts/config --disable CONFIG_XFS_ONLINE_SCRUB_STATS
        ./scripts/config --disable CONFIG_XFS_QUOTA
        ./scripts/config --disable CONFIG_XFS_RT
        ./scripts/config --disable CONFIG_XFS_SUPPORT_ASCII_CI
        ./scripts/config --disable CONFIG_XFS_SUPPORT_V4
        ./scripts/config --disable USB_NET_DRIVER
        ./scripts/config --disable WIRELESS
        ./scripts/config --disable CONFIG_KERNEL_GZIP
        ./scripts/config --disable CONFIG_KERNEL_BZIP2
        ./scripts/config --disable CONFIG_KERNEL_LZMA
        ./scripts/config --disable CONFIG_KERNEL_LZO
        ./scripts/config --disable CONFIG_KERNEL_LZ4
        ./scripts/config --disable CONFIG_KERNEL_ZSTD
        ./scripts/config --disable CONFIG_NET_VENDOR_AMAZON
        ./scripts/config --disable CONFIG_NET_VENDOR_ASIX
        ./scripts/config --disable CONFIG_NET_VENDOR_CORTINA
        ./scripts/config --disable CONFIG_NET_VENDOR_DAVICOM
        ./scripts/config --disable CONFIG_NET_VENDOR_ENGLEDER
        ./scripts/config --disable CONFIG_NET_VENDOR_FUNGIBLE
        ./scripts/config --disable CONFIG_NET_VENDOR_GOOGLE
        ./scripts/config --disable CONFIG_GVE
        ./scripts/config --disable CONFIG_NET_VENDOR_LITEX
        ./scripts/config --disable CONFIG_NET_VENDOR_MELLANOX
        ./scripts/config --disable CONFIG_MLX4_EN
        ./scripts/config --disable CONFIG_MLX4_DEBUG
        ./scripts/config --disable CONFIG_MLX4_CORE_GEN2
        ./scripts/config --disable CONFIG_MLX5_CORE
        ./scripts/config --disable CONFIG_MLXFW
        ./scripts/config --disable CONFIG_NET_VENDOR_MICROSEMI
        ./scripts/config --disable CONFIG_NET_VENDOR_MICROSOFT
        ./scripts/config --disable CONFIG_MICROSOFT_MANA
        ./scripts/config --disable CONFIG_NET_VENDOR_NI
        ./scripts/config --disable CONFIG_NET_VENDOR_PENSANDO
        ./scripts/config --disable CONFIG_NET_VENDOR_SOCIONEXT
        ./scripts/config --disable CONFIG_NET_VENDOR_VERTEXCOM
        ./scripts/config --disable CONFIG_NET_VENDOR_WANGXUN
        ./scripts/config --disable CONFIG_NET_VENDOR_XILINX
        ./scripts/config --disable CONFIG_INFINIBAND
        ./scripts/config --disable CONFIG_COMEDI
        ./scripts/config --disable CONFIG_SURFACE_PLATFORMS
        ./scripts/config --disable CONFIG_SOUNDWIRE
        ./scripts/config --disable CONFIG_PREEMPT_VOLUNTARY
        ./scripts/config --disable CONFIG_HZ_250
        ./scripts/config --disable CONFIG_HZ_300
        ./scripts/config --disable CONFIG_HZ_1000
        ./scripts/config --disable CONFIG_VIRT_CPU_ACCOUNTING_GEN
        ./scripts/config --disable CONFIG_TASKSTATS
        ./scripts/config --disable CONFIG_PSI
        ./scripts/config --disable CONFIG_SCHED_MC
        ./scripts/config --disable CONFIG_X86_REROUTE_FOR_BROKEN_BOOT_IRQS
        ./scripts/config --disable CONFIG_INIT_ON_ALLOC_DEFAULT_ON
        ./scripts/config --disable CONFIG_LIST_HARDENED
        ./scripts/config --disable CONFIG_BUG_ON_DATA_CORRUPTION
        ./scripts/config --disable CONFIG_CALL_THUNKS_DEBUG
        ./scripts/config --disable CONFIG_KPROBES
        ./scripts/config --disable CONFIG_SLUB_DEBUG
        ./scripts/config --disable CONFIG_RCU_NOCB_CPU
        ./scripts/config --disable CONFIG_RCU_BOOST
        ./scripts/config --disable CONFIG_PCSPKR_PLATFORM
        ./scripts/config --disable CONFIG_KEXEC
        ./scripts/config --disable CONFIG_KEXEC_FILE
        ./scripts/config --disable CONFIG_DEBUG_FS_ALLOW_ALL
        ./scripts/config --disable CONFIG_DEBUG_FS
        ./scripts/config --disable CONFIG_DEVMEM
        ./scripts/config --disable CONFIG_X86_SGX
        ./scripts/config --disable CONFIG_INTEL_TDX_HOST
        ./scripts/config --disable CONFIG_X86_UMIP
        ./scripts/config --disable CONFIG_X86_USER_SHADOW_STACK
        ./scripts/config --disable CONFIG_X86_SGX_KVM
        # ./scripts/config --disable CONFIG_PRINTK
        # ./scripts/config --disable CONFIG_BUG

        cp .config .config.disable.after
    fi
}
doDefaultsEnable() {
    if [ $ENABLE == 1 ]; then
        doEchoStep "Options: enable"
        if [ -f .config ]; then
            cp .config .config.enable.before
        fi

        if [ "$CLANG" == "1" ]; then
            ./scripts/config --enable CONFIG_HAS_LTO_CLANG
            ./scripts/config --enable CONFIG_ARCH_SUPPORTS_CFI_CLANG
            ./scripts/config --enable CONFIG_ARCH_SUPPORTS_LTO_CLANG_THIN
            ./scripts/config --enable CONFIG_ARCH_SUPPORTS_LTO_CLANG
            ./scripts/config --enable CONFIG_LTO_CLANG_THIN
            ./scripts/config --enable CONFIG_LTO_CLANG_FULL
        fi

        ./scripts/config --enable CONFIG_ADDRESS_MASKING
        ./scripts/config --enable CONFIG_AF_KCM
        ./scripts/config --enable CONFIG_ARCH_CPUIDLE_HALTPOLL
        ./scripts/config --enable CONFIG_BINFMT_MISC
        ./scripts/config --enable CONFIG_BINFMT_SCRIPT
        ./scripts/config --enable CONFIG_BLK_CGROUP
        ./scripts/config --enable CONFIG_BLK_DEV
        ./scripts/config --enable CONFIG_BLK_DEV_INITRD
        ./scripts/config --enable CONFIG_BLK_WBT
        ./scripts/config --enable CONFIG_BOOT_CONFIG
        ./scripts/config --enable CONFIG_BSD_PROCESS_ACCT
        ./scripts/config --enable CONFIG_CALL_DEPTH_TRACKING
        ./scripts/config --enable CONFIG_CGROUP_CPUACCT
        ./scripts/config --enable CONFIG_CGROUP_DEVICE
        ./scripts/config --enable CONFIG_CGROUP_MISC
        ./scripts/config --enable CONFIG_CGROUP_NET_CLASSID
        ./scripts/config --enable CONFIG_CGROUP_NET_PRIO
        ./scripts/config --enable CONFIG_CGROUP_PIDS
        ./scripts/config --enable CONFIG_CGROUP_RDMA
        ./scripts/config --enable CONFIG_CGROUP_SCHED
        ./scripts/config --enable CONFIG_CGROUPS
        ./scripts/config --enable CONFIG_CIFS
        ./scripts/config --enable CONFIG_CIFS_ALLOW_INSECURE_LEGACY
        ./scripts/config --enable CONFIG_CIFS_DFS_UPCALL
        ./scripts/config --enable CONFIG_CIFS_STATS2
        ./scripts/config --enable CONFIG_CIFS_SWN_UPCALL
        ./scripts/config --enable CONFIG_COMPAT_32BIT_TIME
        ./scripts/config --enable CONFIG_CONFIGFS_FS
        ./scripts/config --enable CONFIG_CPU_FREQ
        ./scripts/config --enable CONFIG_CPU_FREQ_DEFAULT_GOV_ONDEMAND
        ./scripts/config --enable CONFIG_CPU_FREQ_GOV_CONSERVATIVE
        ./scripts/config --enable CONFIG_CPU_FREQ_GOV_ONDEMAND
        ./scripts/config --enable CONFIG_CPU_FREQ_GOV_PERFORMANCE
        ./scripts/config --enable CONFIG_CPU_FREQ_GOV_POWERSAVE
        ./scripts/config --enable CONFIG_CPU_FREQ_GOV_USERSPACE
        ./scripts/config --enable CONFIG_CPU_IBPB_ENTRY
        ./scripts/config --enable CONFIG_CPU_UNRET_ENTRY
        ./scripts/config --enable CONFIG_DEVTMPFS
        ./scripts/config --enable CONFIG_DRM_VIRTIO_GPU
        ./scripts/config --enable CONFIG_DRM_VIRTIO_GPU_KMS
        ./scripts/config --enable CONFIG_EFI
        ./scripts/config --enable CONFIG_EFI_BOOTLOADER_CONTROL
        ./scripts/config --enable CONFIG_EFI_MIXED
        ./scripts/config --enable CONFIG_EFI_PARTITION
        ./scripts/config --enable CONFIG_EFI_VARS_PSTORE
        ./scripts/config --enable CONFIG_EFIVAR_FS
        ./scripts/config --enable CONFIG_ETHERNET
        ./scripts/config --enable CONFIG_ETHTOOL_NETLINK
        ./scripts/config --enable CONFIG_EXT2_FS
        ./scripts/config --enable CONFIG_EXT4_FS
        ./scripts/config --enable CONFIG_EXT4_USE_FOR_EXT2
        ./scripts/config --enable CONFIG_FANOTIFY
        ./scripts/config --enable CONFIG_FORTIFY_SOURCE
        ./scripts/config --enable CONFIG_HANGCHECK_TIMER
        ./scripts/config --enable CONFIG_HARDENED_USERCOPY
        ./scripts/config --enable CONFIG_HIGH_RES_TIMERS
        ./scripts/config --enable CONFIG_HYPERVISOR_GUEST
        ./scripts/config --enable CONFIG_IA32_EMULATION
        ./scripts/config --enable CONFIG_IKCONFIG
        ./scripts/config --enable CONFIG_IKCONFIG_PROC
        ./scripts/config --enable CONFIG_IKHEADERS
        ./scripts/config --enable CONFIG_INET
        ./scripts/config --enable CONFIG_INET_AH
        ./scripts/config --enable CONFIG_INET_ESP
        ./scripts/config --enable CONFIG_INET_IPCOMP
        ./scripts/config --enable CONFIG_INET_RAW_DIAG
        ./scripts/config --enable CONFIG_INET_UDP_DIAG
        ./scripts/config --enable CONFIG_INET6_AH
        ./scripts/config --enable CONFIG_INET6_ESP
        ./scripts/config --enable CONFIG_INET6_IPCOMP
        ./scripts/config --enable CONFIG_INTEL_HFI_THERMAL
        ./scripts/config --enable CONFIG_INTEL_IDLE
        ./scripts/config --enable CONFIG_INTEL_POWERCLAMP
        ./scripts/config --enable CONFIG_INTEL_RST
        ./scripts/config --enable CONFIG_IOMMU_SUPPORT
        ./scripts/config --enable CONFIG_IOSCHED_BFQ
        ./scripts/config --enable CONFIG_IP_NF_ARPTABLES
        ./scripts/config --enable CONFIG_IP_NF_IPTABLES
        ./scripts/config --enable CONFIG_IP6_NF_IPTABLES
        ./scripts/config --enable CONFIG_IPV6_VTI
        ./scripts/config --enable CONFIG_JUMP_LABEL
        ./scripts/config --enable CONFIG_KERNEL_XZ
        ./scripts/config --enable CONFIG_KVM
        ./scripts/config --enable CONFIG_KVM_INTEL
        ./scripts/config --enable CONFIG_LOCALVERSION_AUTO
        ./scripts/config --enable CONFIG_LRU_GEN
        ./scripts/config --enable CONFIG_LRU_GEN_ENABLED
        ./scripts/config --enable CONFIG_MEDIA_SUBDRV_AUTOSELECT
        ./scripts/config --enable CONFIG_MEDIA_SUPPORT
        ./scripts/config --enable CONFIG_MEDIA_SUPPORT_FILTER
        ./scripts/config --enable CONFIG_MEMCG
        ./scripts/config --enable CONFIG_MODULE_COMPRESS_NONE
        ./scripts/config --enable CONFIG_MODULE_FORCE_LOAD
        ./scripts/config --enable CONFIG_MODULE_UNLOAD
        ./scripts/config --enable CONFIG_MODULES
        ./scripts/config --enable CONFIG_MQ_IOSCHED_DEADLINE
        ./scripts/config --enable CONFIG_MQ_IOSCHED_KYBER
        ./scripts/config --enable CONFIG_MSDOS_PARTITION
        ./scripts/config --enable CONFIG_NET
        ./scripts/config --enable CONFIG_NET_CLS_CGROUP
        ./scripts/config --enable CONFIG_NET_CLS_FLOWER
        ./scripts/config --enable CONFIG_NET_CLS_FW
        ./scripts/config --enable CONFIG_NET_CLS_ROUTE4
        ./scripts/config --enable CONFIG_NET_CORE
        ./scripts/config --enable CONFIG_NET_FOU
        ./scripts/config --enable CONFIG_NET_FOU_IP_TUNNELS
        ./scripts/config --enable CONFIG_NET_IPVTI
        ./scripts/config --enable CONFIG_NET_SCH_CBS
        ./scripts/config --enable CONFIG_NET_SCH_ETF
        ./scripts/config --enable CONFIG_NET_SCH_GRED
        ./scripts/config --enable CONFIG_NET_SCH_HFSC
        ./scripts/config --enable CONFIG_NET_SCH_HHF
        ./scripts/config --enable CONFIG_NET_SCH_HTB
        ./scripts/config --enable CONFIG_NET_SCH_PRIO
        ./scripts/config --enable CONFIG_NET_SCH_RED
        ./scripts/config --enable CONFIG_NET_SCH_SFB
        ./scripts/config --enable CONFIG_NET_SCH_SFQ
        ./scripts/config --enable CONFIG_NET_SCH_TAPRIO
        ./scripts/config --enable CONFIG_NET_SCH_TBF
        ./scripts/config --enable CONFIG_NET_SCH_TEQL
        ./scripts/config --enable CONFIG_NET_SCHED
        ./scripts/config --enable CONFIG_NETDEVICES
        ./scripts/config --enable CONFIG_NETFILTER
        ./scripts/config --enable CONFIG_NETFILTER_XTABLES
        ./scripts/config --enable CONFIG_NETLINK_DIAG
        ./scripts/config --enable CONFIG_NETWORK_FILESYSTEMS
        ./scripts/config --enable CONFIG_NF_SOCKET_IPV4
        ./scripts/config --enable CONFIG_NF_SOCKET_IPV6
        ./scripts/config --enable CONFIG_NF_TABLES
        ./scripts/config --enable CONFIG_PACKET
        ./scripts/config --enable CONFIG_PACKET_DIAG
        ./scripts/config --enable CONFIG_PAGE_REPORTING
        ./scripts/config --enable CONFIG_PAGE_TABLE_ISOLATION
        ./scripts/config --enable CONFIG_PARAVIRT
        ./scripts/config --enable CONFIG_PARTITION_ADVANCED
        ./scripts/config --enable CONFIG_PCI
        ./scripts/config --enable CONFIG_PCI_IOV
        ./scripts/config --enable CONFIG_PCI_PASID
        ./scripts/config --enable CONFIG_PCI_PRI
        ./scripts/config --enable CONFIG_PCIE_BUS_PERFORMANCE
        ./scripts/config --enable CONFIG_PCIEASPM
        ./scripts/config --enable CONFIG_PM_AUTOSLEEP
        ./scripts/config --enable CONFIG_PNP
        ./scripts/config --enable CONFIG_PROC_KCORE
        ./scripts/config --enable CONFIG_PSAMPLE
        ./scripts/config --enable CONFIG_PVH
        ./scripts/config --enable CONFIG_PVPANIC
        ./scripts/config --enable CONFIG_RCU_EXPERT
        ./scripts/config --enable CONFIG_RETHUNK
        ./scripts/config --enable CONFIG_SCHED_AUTOGROUP
        ./scripts/config --enable CONFIG_SHUFFLE_PAGE_ALLOCATOR
        ./scripts/config --enable CONFIG_SMB_SERVER
        ./scripts/config --enable CONFIG_SMB_SERVER_CHECK_CAP_NET_ADMIN
        ./scripts/config --enable CONFIG_SYN_COOKIES
        ./scripts/config --enable CONFIG_SYSFB_SIMPLEFB
        ./scripts/config --enable CONFIG_SYSVIPC
        ./scripts/config --enable CONFIG_TCP_CONG_ADVANCED
        ./scripts/config --enable CONFIG_TCP_CONG_BBR
        ./scripts/config --enable CONFIG_TMPFS
        ./scripts/config --enable CONFIG_TRANSPARENT_HUGEPAGE
        ./scripts/config --enable CONFIG_TRANSPARENT_HUGEPAGE_ALWAYS
        ./scripts/config --enable CONFIG_UNIX
        ./scripts/config --enable CONFIG_VGA_ARB
        ./scripts/config --enable CONFIG_VHOST_NET
        ./scripts/config --enable CONFIG_VIRT_DRIVERS
        ./scripts/config --enable CONFIG_VIRTIO_BLK
        ./scripts/config --enable CONFIG_VIRTIO_CONSOLE
        ./scripts/config --enable CONFIG_VIRTIO_IOMMU
        ./scripts/config --enable CONFIG_VIRTUALIZATION
        ./scripts/config --enable CONFIG_VMGENID
        ./scripts/config --enable CONFIG_WATCH_QUEUE
        ./scripts/config --enable CONFIG_X86_ACPI_CPUFREQ
        ./scripts/config --enable CONFIG_X86_CPUID
        ./scripts/config --enable CONFIG_X86_INTEL_PSTATE
        ./scripts/config --enable CONFIG_X86_INTEL_TSX_MODE_AUTO
        ./scripts/config --enable CONFIG_X86_MSR
        ./scripts/config --enable CONFIG_X86_PKG_TEMP_THERMAL
        ./scripts/config --enable CONFIG_X86_PLATFORM_DEVICES
        ./scripts/config --enable CONFIG_X86_PMEM_LEGACY
        ./scripts/config --enable CONFIG_X86_X32_ABI
        ./scripts/config --enable CONFIG_ZRAM
        ./scripts/config --enable DEFAULT_BBR
        ./scripts/config --enable FAIR_GROUP_SCHED
        ./scripts/config --enable VIRTIO_MENU
        ./scripts/config --enable ZRAM_DEF_COMP_ZSTD
        ./scripts/config --enable CONFIG_ATA
        ./scripts/config --enable CONFIG_ATA_SFF
        ./scripts/config --enable CONFIG_ATA_BMDMA
        ./scripts/config --enable CONFIG_ATA_ACPI
        ./scripts/config --enable CONFIG_SATA_AHCI
        ./scripts/config --enable CONFIG_SCSI
        ./scripts/config --enable CONFIG_SCSI_PROC_FS
        ./scripts/config --enable CONFIG_BLK_DEV_SD
        ./scripts/config --enable CONFIG_CHR_DEV_SG
        ./scripts/config --enable CONFIG_SCSI_SAS_ATA
        ./scripts/config --enable CONFIG_SCSI_VIRTIO
        ./scripts/config --enable CONFIG_VFIO_VIRQFD
        ./scripts/config --enable CONFIG_VIRTIO_PCI
        ./scripts/config --enable CONFIG_VIRTIO_PCI_LEGACY
        ./scripts/config --enable CONFIG_VIRTIO_PMEM
        ./scripts/config --enable CONFIG_VIRTIO_BALLOON
        ./scripts/config --enable CONFIG_VIRTIO_MEM
        ./scripts/config --enable CONFIG_VIRTIO_INPUT
        ./scripts/config --enable CONFIG_VIRTIO_MMIO
        ./scripts/config --enable CONFIG_INTEL_IOMMU
        ./scripts/config --enable CONFIG_INTEL_IOMMU_SVM
        ./scripts/config --enable CONFIG_INTEL_IOMMU_DEFAULT_ON
        ./scripts/config --enable CONFIG_INTEL_IOMMU_SCALABLE_MODE_DEFAULT_ON
        ./scripts/config --enable CONFIG_IRQ_REMAP
        ./scripts/config --enable CONFIG_HYPERV_IOMMU
        ./scripts/config --enable CONFIG_SCHED_CORE
        ./scripts/config --enable CONFIG_X86_X2APIC
        ./scripts/config --enable CONFIG_X86_CPU_RESCTRL
        ./scripts/config --enable CONFIG_PARAVIRT_SPINLOCKS
        ./scripts/config --enable CONFIG_PROCESSOR_SELECT
        ./scripts/config --enable CONFIG_CPU_SUP_INTEL
        ./scripts/config --enable CONFIG_X86_KERNEL_IBT
        ./scripts/config --enable CONFIG_KVM_PROVE_MMU
        ./scripts/config --enable CONFIG_TRIM_UNUSED_KSYMS
        ./scripts/config --enable CONFIG_IXGBEVF
        ./scripts/config --enable CONFIG_VFIO
        ./scripts/config --enable CONFIG_CRYPTO_PCRYPT
        ./scripts/config --enable CONFIG_CRYPTO_CRYPTD
        ./scripts/config --enable CONFIG_CRYPTO_LZO
        ./scripts/config --enable CONFIG_CRYPTO_LZ4
        ./scripts/config --enable CONFIG_CRYPTO_ZSTD
        ./scripts/config --enable CONFIG_HZ_100
        ./scripts/config --enable CONFIG_PREEMPT_NONE
        ./scripts/config --enable CONFIG_INTEL_TDX_HOST
        ./scripts/config --enable CONFIG_ZSWAP
        ./scripts/config --enable CONFIG_ZSWAP_DEFAULT_ON
        ./scripts/config --enable CONFIG_TRANSPARENT_HUGEPAGE_MADVISE
        ./scripts/config --enable CONFIG_BTRFS_FS_POSIX_ACL
        ./scripts/config --enable CONFIG_XFS_POSIX_ACL
        ./scripts/config --enable CONFIG_CEPH_FS_POSIX_ACL
        ./scripts/config --enable CONFIG_EROFS_FS_POSIX_ACL
        ./scripts/config --enable CONFIG_NFS_V3_ACL
        ./scripts/config --enable CONFIG_NFSD_V3_ACL
        ./scripts/config --enable CONFIG_NTFS3_FS_POSIX_ACL
        ./scripts/config --enable CONFIG_TMPFS_POSIX_ACL
        ./scripts/config --enable CONFIG_EXT4_FS_POSIX_ACL
        ./scripts/config --enable CONFIG_FS_POSIX_ACL
        ./scripts/config --enable CONFIG_EXT2_FS_POSIX_ACL
        ./scripts/config --enable CONFIG_REISERFS_FS_POSIX_ACL
        ./scripts/config --enable CONFIG_JFS_POSIX_ACL
        ./scripts/config --enable CONFIG_F2FS_FS_POSIX_ACL
        ./scripts/config --enable CONFIG_JFFS2_FS_POSIX_ACL
        ./scripts/config --enable CONFIG_NFSD_V2_ACL
        ./scripts/config --enable CONFIG_9P_FS_POSIX_ACL
        ./scripts/config --enable CONFIG_EROFS_FS_XATTR
        ./scripts/config --enable CONFIG_EVM_ADD_XATTRS
        ./scripts/config --enable CONFIG_SQUASHFS_XATTR
        ./scripts/config --enable CONFIG_CIFS_XATTR
        ./scripts/config --enable CONFIG_TMPFS_XATTR
        ./scripts/config --enable CONFIG_EXT2_FS_XATTR
        ./scripts/config --enable CONFIG_EXT4_FS_XATTR
        ./scripts/config --enable CONFIG_REISERFS_FS_XATTR
        ./scripts/config --enable CONFIG_F2FS_FS_XATTR
        ./scripts/config --enable CONFIG_JFFS2_FS_XATTR
        ./scripts/config --enable CONFIG_UBIFS_FS_XATTR
        ./scripts/config --enable CONFIG_EXT4_FS_SECURITY
        ./scripts/config --enable CONFIG_EXT2_FS_SECURITY
        ./scripts/config --enable CONFIG_REISERFS_FS_SECURITY
        ./scripts/config --enable CONFIG_JFS_SECURITY
        ./scripts/config --enable CONFIG_F2FS_FS_SECURITY
        ./scripts/config --enable CONFIG_JFFS2_FS_SECURITY
        ./scripts/config --enable CONFIG_UBIFS_FS_SECURITY
        ./scripts/config --enable CONFIG_EROFS_FS_SECURITY
        ./scripts/config --enable CONFIG_SECURITYFS
        ./scripts/config --enable CONFIG_KEYS_REQUEST_CACHE
        ./scripts/config --enable CONFIG_IMA_READ_POLICY
        ./scripts/config --enable CONFIG_CRYPTO_ECDH
        ./scripts/config --enable CONFIG_CRYPTO_ECRDSA
        ./scripts/config --enable CONFIG_CRYPTO_SM2
        ./scripts/config --enable CONFIG_CRYPTO_CURVE25519
        ./scripts/config --enable CONFIG_CRYPTO_AES_TI
        ./scripts/config --enable CONFIG_CRYPTO_ARIA
        ./scripts/config --enable CONFIG_CRYPTO_BLOWFISH
        ./scripts/config --enable CONFIG_CRYPTO_CAMELLIA
        ./scripts/config --enable CONFIG_CRYPTO_CAST5
        ./scripts/config --enable CONFIG_CRYPTO_CAST6
        ./scripts/config --enable CONFIG_CRYPTO_DES
        ./scripts/config --enable CONFIG_CRYPTO_FCRYPT
        ./scripts/config --enable CONFIG_CRYPTO_SERPENT
        ./scripts/config --enable CONFIG_CRYPTO_SM4_GENERIC
        ./scripts/config --enable CONFIG_CRYPTO_TWOFISH
        ./scripts/config --enable CONFIG_CRYPTO_ADIANTUM
        ./scripts/config --enable CONFIG_CRYPTO_CHACHA20
        ./scripts/config --enable CONFIG_CRYPTO_CFB
        ./scripts/config --enable CONFIG_CRYPTO_CTS
        ./scripts/config --enable CONFIG_CRYPTO_HCTR2
        ./scripts/config --enable CONFIG_CRYPTO_KEYWRAP
        ./scripts/config --enable CONFIG_CRYPTO_LRW
        ./scripts/config --enable CONFIG_CRYPTO_OFB
        ./scripts/config --enable CONFIG_CRYPTO_PCBC
        ./scripts/config --enable CONFIG_CRYPTO_XTS
        ./scripts/config --enable CONFIG_CRYPTO_AEGIS128
        ./scripts/config --enable CONFIG_CRYPTO_CHACHA20POLY1305
        ./scripts/config --enable CONFIG_CRYPTO_ESSIV
        ./scripts/config --enable CONFIG_CRYPTO_BLAKE2B
        ./scripts/config --enable CONFIG_CRYPTO_MD4
        ./scripts/config --enable CONFIG_CRYPTO_MICHAEL_MIC
        ./scripts/config --enable CONFIG_CRYPTO_POLY1305
        ./scripts/config --enable CONFIG_CRYPTO_RMD160
        ./scripts/config --enable CONFIG_CRYPTO_SM3_GENERIC
        ./scripts/config --enable CONFIG_CRYPTO_STREEBOG
        ./scripts/config --enable CONFIG_CRYPTO_VMAC
        ./scripts/config --enable CONFIG_CRYPTO_WP512
        ./scripts/config --enable CONFIG_CRYPTO_XCBC
        ./scripts/config --enable CONFIG_CRYPTO_XXHASH
        ./scripts/config --enable CONFIG_CRYPTO_CRC32
        ./scripts/config --enable CONFIG_CRYPTO_LZ4HC
        ./scripts/config --enable CONFIG_CRYPTO_ANSI_CPRNG
        ./scripts/config --enable CONFIG_CRYPTO_USER_API_HASH
        ./scripts/config --enable CONFIG_CRYPTO_USER_API_SKCIPHER
        ./scripts/config --enable CONFIG_CRYPTO_USER_API_RNG
        ./scripts/config --enable CONFIG_CRYPTO_USER_API_AEAD
        ./scripts/config --enable CONFIG_CRYPTO_AES_NI_INTEL
        ./scripts/config --enable CONFIG_CRYPTO_SHA1_SSSE3
        ./scripts/config --enable CONFIG_CRYPTO_SHA256_SSSE3
        ./scripts/config --enable CONFIG_CRYPTO_SHA512_SSSE3
        ./scripts/config --enable CONFIG_CRYPTO_CRC32C_INTEL
        ./scripts/config --enable CONFIG_CRYPTO_CRC32_PCLMUL
        ./scripts/config --enable CONFIG_CRYPTO_LIB_CHACHA
        ./scripts/config --enable CONFIG_CRYPTO_LIB_CURVE25519
        ./scripts/config --enable CONFIG_CRYPTO_LIB_POLY1305
        ./scripts/config --enable CONFIG_CORDIC
        ./scripts/config --enable CONFIG_CRC7
        ./scripts/config --enable CONFIG_CRC8
        ./scripts/config --enable CRYPTO_LIB_CHACHA20POLY1305
        ./scripts/config --enable CONFIG_CRC4
        ./scripts/config --enable CONFIG_NO_HZ_IDLE
        ./scripts/config --enable CONFIG_PERF_EVENTS_INTEL_UNCORE
        ./scripts/config --enable CONFIG_PERF_EVENTS_INTEL_RAPL
        ./scripts/config --enable CONFIG_PERF_EVENTS_INTEL_CSTATE
        ./scripts/config --enable CONFIG_X86_CPA_STATISTICS
        ./scripts/config --enable CONFIG_LEGACY_VSYSCALL_XONLY
        ./scripts/config --enable CONFIG_ACPI_FPDT
        ./scripts/config --enable CONFIG_ACPI_BGRT
        ./scripts/config --enable CONFIG_ACPI_NFIT
        ./scripts/config --enable CONFIG_ACPI_DPTF
        ./scripts/config --enable CONFIG_ACPI_FFH
        ./scripts/config --enable CONFIG_ACPI_PFRUT
        ./scripts/config --enable CONFIG_DEVTMPFS_MOUNT
        ./scripts/config --enable CONFIG_FW_LOADER_COMPRESS_ZSTD
        ./scripts/config --enable CONFIG_FW_CFG_SYSFS
        ./scripts/config --enable CONFIG_EFI_COCO_SECRET
        ./scripts/config --enable CONFIG_VIRTIO_NET
        ./scripts/config --enable CONFIG_MEDIA_PLATFORM_SUPPORT
        ./scripts/config --enable CONFIG_FB_VESA
        ./scripts/config --enable CONFIG_FB_NVIDIA
        ./scripts/config --enable CONFIG_FB_RIVA
        ./scripts/config --enable CONFIG_FB_SIMPLE
        ./scripts/config --enable CONFIG_DMADEVICES
        ./scripts/config --enable CONFIG_INTEL_IDMA64
        ./scripts/config --enable CONFIG_INTEL_IDXD
        ./scripts/config --enable CONFIG_INTEL_IOATDMA
        ./scripts/config --enable CONFIG_VFIO_PCI_VGA
        ./scripts/config --enable CONFIG_NFS_FS
        ./scripts/config --enable CONFIG_BPF
        ./scripts/config --enable CONFIG_BPF_JIT
        ./scripts/config --enable CONFIG_BPF_SYSCALL
        ./scripts/config --enable CONFIG_NET_CLS_BPF
        ./scripts/config --enable CONFIG_BPF_JIT_ALWAYS_ON
        ./scripts/config --enable CONFIG_NET_ACT_BPF
        ./scripts/config --enable CONFIG_HAVE_BPF_JIT
        ./scripts/config --enable CONFIG_BPF_EVENTS
        ./scripts/config --enable CONFIG_RCU_LAZY
        ./scripts/config --enable CONFIG_X86_VSYSCALL_EMULATION
        ./scripts/config --enable CONFIG_ZSWAP_EXCLUSIVE_LOADS_DEFAULT_ON
        ./scripts/config --enable CONFIG_ZSWAP_COMPRESSOR_DEFAULT_ZSTD
        ./scripts/config --enable ZRAM_MEMORY_TRACKING
        ./scripts/config --enable CONFIG_ZRAM_MULTI_COMP
        ./scripts/config --enable CONFIG_KEXEC
        ./scripts/config --enable CONFIG_CRASH_CORE
        ./scripts/config --enable CONFIG_CRASH_DUMP
        ./scripts/config --enable CONFIG_KEXEC_CORE
        ./scripts/config --enable CONFIG_HAVE_IMA_KEXEC
        ./scripts/config --enable CONFIG_KEXEC_FILE
        ./scripts/config --enable CONFIG_X86_5LEVEL
        ./scripts/config --enable CONFIG_ARCH_SELECTS_KEXEC_FILE
        ./scripts/config --enable CONFIG_CALL_PADDING
        ./scripts/config --enable CONFIG_HAVE_ARCH_NODE_DEV_GROUP
        ./scripts/config --enable CONFIG_WATCHDOG_CORE
        ./scripts/config --enable CONFIG_DEVMEM
        ./scripts/config --enable CONFIG_STRICT_DEVMEM
        ./scripts/config --enable CONFIG_IO_STRICT_DEVMEM
        ./scripts/config --enable CONFIG_IPV6
        ./scripts/config --enable CONFIG_KSM
        ./scripts/config --enable CONFIG_KALLSYMS
        ./scripts/config --enable CONFIG_KALLSYMS_ALL
        ./scripts/config --enable CONFIG_COMPILE_TEST

        case ${ARCH} in
        "x86-64-v2")
            ./scripts/config --enable CONFIG_GENERIC_CPU2
            ;;
        "x86-64-v3")
            ./scripts/config --enable CONFIG_GENERIC_CPU3
            ;;
        "x86-64-v4")
            ./scripts/config --enable CONFIG_GENERIC_CPU4
            ;;
        esac

        cp .config .config.enable.after
    fi
}
doDefaultMitigations() {
    if [ -f .config ]; then
        cp .config .config.mitigations.before
    fi
    if [ $SECURED == 0 ]; then
        doEchoStep "Options: secured OFF"
        ./scripts/config --disable CONFIG_SPECULATION_MITIGATIONS
        ./scripts/config --disable CONFIG_RETPOLINE
        ./scripts/config --disable CONFIG_CPU_IBRS_ENTRY
        ./scripts/config --disable CONFIG_SLS
        ./scripts/config --disable CONFIG_GDS_FORCE_MITIGATION
    else
        doEchoStep "Options: secured ON"
        ./scripts/config --enable CONFIG_SPECULATION_MITIGATIONS
        ./scripts/config --enable CONFIG_RETPOLINE
        ./scripts/config --enable CONFIG_CPU_IBRS_ENTRY
        ./scripts/config --enable CONFIG_SLS
        ./scripts/config --enable CONFIG_GDS_FORCE_MITIGATION
    fi
    cp .config .config.mitigations.after
}
doDefaultsTesting() {
    if [ $TESTING == 1 ]; then
        doEchoStep "Options: testings activated..."
        if [ -f .config ]; then
            cp .config .config.testing.before
        fi

        ./scripts/config --set-str CONFIG_LOCALVERSION '-zogg-test'
        cp .config .config.testing.after
    fi
}
doDefaults() {
    cd $WORKDIR

    if [ -f .config ]; then
        cp .config .config.default.before
    fi

    doMoreUarch
    doFastKernelHeaders

    doEchoStep "Define options"
    if [ "$CLANG" == "1" ]; then
        ./scripts/config --set-str CONFIG_LOCALVERSION '-clang'
    else
        ./scripts/config --set-str CONFIG_LOCALVERSION '-gcc'
    fi

    doDefaultsDisable
    doDefaultsEnable
    doDefaultMitigations
    doDefaultsTesting

    cp .config .config.default.after
}

# Edit .config
doEditSettings() {
    cd $WORKDIR

    doEchoStep "Settings tuning !"
    if [ -f .config ]; then
        cp .config .config.edit.before
    fi
    if [ "$CLANG" == "1" ]; then
        make -j${NPROC} LLVM=1 CC="ccache clang" menuconfig
    else
        make -j${NPROC} CC="ccache gcc" menuconfig
    fi
    result=$?
    if [ ! result==0 ]; then
        echo ">>> Error in settings edit !"
        exit 1
    fi
    cp .config .config.edit.after
}

doGenerateUninstall() {
    # remove old files
    READY=$CURRENT/build/$BRANCH/$VERSION/ready
    mkdir -p $READY
    rm -rf $READY/*.*

    if ls $WORKDIR/../*.deb 1>/dev/null 2>&1; then

        # find .deb packages and generate
        #   uninstall commands
        #   package name
        PACKAGES=
        TAG="_$VERSION-1_amd64.deb"
        search_dir=$WORKDIR/../
        for entry in "$search_dir"/*.deb; do
            name="${entry##*/}"
            pname=${name//$TAG/}
            if [ ! "$pname" == "linux-libc-dev" ]; then
                PACKAGES="$PACKAGES $pname"
            fi
            echo "$name" >>$READY/packages.log
        done

        # move files to destination folder
        mv -f $WORKDIR/../*.deb $READY/

        # prepare uninstall script
        cat <<-EOF >${READY}/uninstall.sh
#!/bin/bash
# ${UPDATED}
    apt remove --purge ${PACKAGES}
    sudo sync
exit 0
EOF

        # generate install script
        cat <<-EOF >${READY}/install.sh
#!/bin/bash
# ${UPDATED}
    echo 'blacklist pcspkr' > /etc/modprobe.d/pcspkr.conf
    sudo dpkg -i *.deb
    sudo sync
exit 0
EOF

        # Set execution attribute
        chmod +x $READY/*.sh

    else
        echo ">>> No packages have been created!"
        exit 1
    fi

    # setup execution rights on packages
    chown -R root:root $READY/.
}

# Print compilation end informations
doEnding() {
    clear
    doHead

    doEchoStep "Generated packages :"
    echo
    cat $CURRENT/build/$BRANCH/$VERSION/ready/packages.log
    echo
    echo "In folder: $CURRENT/build/$BRANCH/$VERSION/ready"

    doSync
}

# Perform effective compilation
doCompile() {
    cd $WORKDIR

    doStripSig
    doStripDebug

    if [ $O3 == 1 ]; then
        GCCO="3"
    else
        GCCO="2"
    fi

    doEchoStep "Compilation time... Be patient!"
    # export MAKEFLAGS="-j$((NPROC + 1)) -l${NPROC} -Werror=maybe-uninitialized -Werror=nonnull -Wno-maybe-uninitialized -Wno-uninitialized -Wno-free-nonheap-object -Wno-nonnull"
    export MAKEFLAGS="-j$((NPROC + 1)) -l${NPROC} -Wno-error"
    export CFLAGS="-march=${ARCH} -O${GCCO} -flto -pipe -msse -msse2 -msse3 -mmmx"
    export CXXFLAGS="${CFLAGS}"
    export KCFLAGS="-march=${ARCH} -O${GCCO}"
    export KCPPFLAGS="${KCFLAGS}"
    set CONFIG_SITE=/etc/dpkg-cross/cross-config.amd64
    set DEB_BUILD_OPTIONS=nocheck

    doEchoStep "MAKEFLAGS: $MAKEFLAGS"
    doEchoStep "CFLAGS: $CFLAGS"
    doEchoStep "CXXFLAGS: $CXXFLAGS"
    doEchoStep "KCFLAGS: $KCFLAGS"
    doEchoStep "KCPPFLAGS: $KCPPFLAGS"

    doEchoStep "make bindeb-pkg"
    if [ "$CLANG" == "1" ]; then
        make \
            -j${NPROC} \
            LLVM=1 LLVM_IAS=1 \
            CC='ccache clang' \
            HOSTCC='ccache clang' \
            bindeb-pkg \
            LOCALVERSION=-"$(dpkg --print-architecture)" \
            KDEB_PKGVERSION="$(make kernelversion)-1"
    else
        make \
            -j${NPROC} \
            CC='ccache gcc' \
            bindeb-pkg \
            LOCALVERSION=-"$(dpkg --print-architecture)" \
            KDEB_PKGVERSION="$(make kernelversion)-1"
    fi
    result=$?

    doEchoStep "make bindeb-pkg: $result"
    if [ ! result==0 ]; then
        echo ">>> Error in 'make bindeb-pkg' !"
        exit 1
    fi

    doGenerateUninstall
    doEnding

    doSync
}

# Proceed for Kernel build
doKernel() {
    WORKDIR=$CURRENT/build/$BRANCH/$VERSION

    doScratch
    if [ ! -d $WORKDIR ]; then
        mkdir -p $WORKDIR
    fi

    LOGFILE=$WORKDIR/$LOGNAME.$LOGEXT
    if [ -f $LOGFILE ]; then
        rm -rf $LOGFILE
    fi
    touch $LOGFILE

    if [ "$STEPS" != "compile" ]; then
        doDownload > >(tee -a $LOGFILE) 2>&1
        doUncompress > >(tee -a $LOGFILE) 2>&1
    fi

    WORKDIR=$WORKDIR/linux-$VERSION

    doCleanup > >(tee -a $LOGFILE) 2>&1
    doConfigCloud > >(tee -a $LOGFILE) 2>&1
    doOldOne > >(tee -a $LOGFILE) 2>&1
    doAllMods > >(tee -a $LOGFILE) 2>&1
    doDefaults > >(tee -a $LOGFILE) 2>&1
    doPermissions > >(tee -a $LOGFILE) 2>&1
    doEditSettings

    while true; do
        read -p "Do you wish to run compile? " yn
        case $yn in
        [Yy]*)
            doCompile > >(tee -a $LOGFILE) 2>&1
            break
            ;;
        [Nn]*) exit ;;
        *) echo "Please answer yes or no." ;;
        esac
    done
}

# Entrypoint of operations
if [[ -z $BRANCH || "$BRANCH" == "help" || -z $VERSION || "$VERSION" == "help" ]]; then
    doHelp
    exit 1
else
    clear
    doHead
    doKernel
fi

exit 0