284 lines
10 KiB
Bash
284 lines
10 KiB
Bash
#!/bin/bash
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msg2() {
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echo -e " \033[1;34m->\033[1;0m \033[1;1m$1\033[1;0m" >&2
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}
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error() {
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echo -e " \033[1;31m==> ERROR: $1\033[1;0m" >&2
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}
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warning() {
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echo -e " \033[1;33m==> WARNING: $1\033[1;0m" >&2
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}
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plain() {
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echo "$1" >&2
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}
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# Stop the script at any ecountered error
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set -e
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_where=`pwd`
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srcdir="$_where"
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source linux*-tkg-config/prepare
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_cpu_opt_patch_link="https://raw.githubusercontent.com/graysky2/kernel_gcc_patch/master/enable_additional_cpu_optimizations_for_gcc_v10.1%2B_kernel_v${_basekernel}%2B.patch"
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source customization.cfg
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if [ "$1" != "install" ] && [ "$1" != "config" ] && [ "$1" != "uninstall-help" ]; then
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msg2 "Argument not recognised, options are:
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- config : shallow clones the linux ${_basekernel}.x git tree into the folder linux-${_basekernel}, then applies on it the extra patches and prepares the .config file
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by copying the one from the current linux system in /boot/config-`uname -r` and updates it.
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- install : [RPM and DEB based distros only], does the config step, proceeds to compile, then prompts to install
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- uninstall-help : [RPM and DEB based distros only], lists the installed kernels in this system, then gives a hint on how to uninstall them manually."
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exit 0
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fi
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# Load external configuration file if present. Available variable values will overwrite customization.cfg ones.
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if [ -e "$_EXT_CONFIG_PATH" ]; then
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msg2 "External configuration file $_EXT_CONFIG_PATH will be used and will override customization.cfg values."
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source "$_EXT_CONFIG_PATH"
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fi
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_misc_adds="false" # We currently don't want this enabled on non-Arch
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if [ "$1" = "install" ] || [ "$1" = "config" ]; then
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if [ -z $_distro ] && [ "$1" = "install" ]; then
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while true; do
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echo "Which linux distribution are you running ?"
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echo "if it's not on the list, chose the closest one to it: Fedora/Suse for RPM, Ubuntu/Debian for DEB"
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echo " 1) Debian"
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echo " 2) Fedora"
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echo " 3) Suse"
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echo " 4) Ubuntu"
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read -p "[1-4]: " _distro_index
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if [ "$_distro_index" = "1" ]; then
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_distro="Debian"
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break
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elif [ "$_distro_index" = "2" ]; then
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_distro="Fedora"
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break
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elif [ "$_distro_index" = "3" ]; then
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_distro="Suse"
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break
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elif [ "$_distro_index" = "4" ]; then
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_distro="Ubuntu"
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break
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else
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echo "Wrong index."
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fi
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done
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fi
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if [[ $1 = "install" && "$_distro" != "Ubuntu" && "$_distro" != "Debian" && "$_distro" != "Fedora" && "$_distro" != "Suse" ]]; then
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msg2 "Variable \"_distro\" in \"customization.cfg\" hasn't been set to \"Ubuntu\", \"Debian\", \"Fedora\" or \"Suse\""
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msg2 "This script can only install custom kernels for RPM and DEB based distros, though only those keywords are permitted. Exiting..."
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exit 0
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fi
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if [ "$_distro" = "Ubuntu" ] || [ "$_distro" = "Debian" ]; then
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msg2 "Installing dependencies"
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sudo apt install git build-essential kernel-package fakeroot libncurses5-dev libssl-dev ccache bison flex qtbase5-dev -y
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elif [ "$_distro" = "Fedora" ]; then
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msg2 "Installing dependencies"
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sudo dnf install fedpkg fedora-packager rpmdevtools ncurses-devel pesign grubby qt5-devel libXi-devel gcc-c++ git ccache flex bison elfutils-libelf-devel openssl-devel dwarves rpm-build -y
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elif [ "$_distro" = "Suse" ]; then
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msg2 "Installing dependencies"
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sudo zypper install -y rpmdevtools ncurses-devel pesign libXi-devel gcc-c++ git ccache flex bison elfutils libelf-devel openssl-devel dwarves make patch bc rpm-build libqt5-qtbase-common-devel libqt5-qtbase-devel lz4
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fi
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# Force prepare script to avoid Arch specific commands if the user is using `config`
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if [ "$1" = "config" ]; then
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_distro=""
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fi
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if [ -d linux-${_basekernel}.orig ]; then
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rm -rf linux-${_basekernel}.orig
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fi
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if [ -d linux-${_basekernel} ]; then
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msg2 "Reseting files in linux-$_basekernel to their original state and getting latest updates"
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cd "$_where"/linux-${_basekernel}
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git checkout --force linux-$_basekernel.y
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git clean -f -d -x
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git pull
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msg2 "Done"
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cd "$_where"
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else
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msg2 "Shallow git cloning linux $_basekernel"
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git clone --branch linux-$_basekernel.y --single-branch --depth=1 https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git linux-${_basekernel}
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msg2 "Done"
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fi
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# Define current kernel subversion
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if [ -z $_kernel_subver ]; then
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cd "$_where"/linux-${_basekernel}
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_kernelverstr=`git describe`
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_kernel_subver=${_kernelverstr:5}
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cd "$_where"
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fi
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# Run init script that is also run in PKGBUILD, it will define some env vars that we will use
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_tkg_initscript
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cd "$_where"
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msg2 "Downloading Graysky2's CPU optimisations patch"
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wget "$_cpu_opt_patch_link"
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# Follow Ubuntu install isntructions in https://wiki.ubuntu.com/KernelTeam/GitKernelBuild
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# cd in linux folder, copy Ubuntu's current config file, update with new params
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cd "$_where"/linux-${_basekernel}
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msg2 "Copying current kernel's config and running make oldconfig..."
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cp /boot/config-`uname -r` .config
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if [ "$_distro" = "Debian" ]; then #Help Debian cert problem.
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sed -i -e 's#CONFIG_SYSTEM_TRUSTED_KEYS="debian/certs/test-signing-certs.pem"#CONFIG_SYSTEM_TRUSTED_KEYS=""#g' .config
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sed -i -e 's#CONFIG_SYSTEM_TRUSTED_KEYS="debian/certs/debian-uefi-certs.pem"#CONFIG_SYSTEM_TRUSTED_KEYS=""#g' .config
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fi
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yes '' | make oldconfig
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msg2 "Done"
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# apply linux-tkg patching script
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_tkg_srcprep
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msg2 "Configuration done."
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fi
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if [ "$1" = "install" ]; then
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# Use custom compiler paths if defined
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if [ -n "${CUSTOM_GCC_PATH}" ]; then
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PATH=${CUSTOM_GCC_PATH}/bin:${CUSTOM_GCC_PATH}/lib:${CUSTOM_GCC_PATH}/include:${PATH}
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fi
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if [ "$_force_all_threads" = "true" ]; then
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_thread_num=`nproc`
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else
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_thread_num=`expr \`nproc\` / 4`
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if [ "$_thread_num" = "0" ]; then
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_thread_num=1
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fi
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fi
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# ccache
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if [ "$_noccache" != "true" ]; then
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if [ "$_distro" = "Ubuntu" ] || [ "$_distro" = "Debian" ]; then
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export PATH="/usr/lib/ccache/bin/:$PATH"
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elif [ "$_distro" = "Fedora" ] || [ "$_distro" = "Suse" ]; then
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export PATH="/usr/lib64/ccache/:$PATH"
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fi
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export CCACHE_SLOPPINESS="file_macro,locale,time_macros"
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export CCACHE_NOHASHDIR="true"
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msg2 'ccache was found and will be used'
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fi
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if [ -z $_kernel_localversion ]; then
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_kernel_flavor="tkg-${_cpusched}"
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else
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_kernel_flavor="tkg-${_kernel_localversion}"
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fi
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if [ "$_distro" = "Ubuntu" ] || [ "$_distro" = "Debian" ]; then
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if make -j ${_thread_num} deb-pkg LOCALVERSION=-${_kernel_flavor}; then
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msg2 "Building successfully finished!"
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cd "$_where"
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# Create DEBS folder if it doesn't exist
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mkdir -p DEBS
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# Move rpm files to RPMS folder inside the linux-tkg folder
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mv "$_where"/*.deb "$_where"/DEBS/
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read -p "Do you want to install the new Kernel ? y/[n]: " _install
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if [[ $_install =~ [yY] ]] || [ $_install = "yes" ] || [ $_install = "Yes" ]; then
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cd "$_where"
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_kernelname=$_basekernel.$_kernel_subver-$_kernel_flavor
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_headers_deb="linux-headers-${_kernelname}*.deb"
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_image_deb="linux-image-${_kernelname}_*.deb"
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_kernel_devel_deb="linux-libc-dev_${_kernelname}*.deb"
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cd DEBS
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sudo dpkg -i $_headers_deb $_image_deb $_kernel_devel_deb
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fi
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fi
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elif [[ "$_distro" = "Fedora" || "$_distro" = "Suse" ]]; then
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# Replace dashes with underscores, it seems that it's being done by binrpm-pkg
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# Se we can actually refer properly to the rpm files.
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_kernel_flavor=${_kernel_flavor//-/_}
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if make -j ${_thread_num} rpm-pkg EXTRAVERSION="_${_kernel_flavor}"; then
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msg2 "Building successfully finished!"
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cd "$_where"
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# Create RPMS folder if it doesn't exist
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mkdir -p RPMS
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# Move rpm files to RPMS folder inside the linux-tkg folder
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mv ~/rpmbuild/RPMS/x86_64/* "$_where"/RPMS/
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#Clean up the original folder, unneeded and takes a lot of space
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rm -rf ~/rpmbuild/
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read -p "Do you want to install the new Kernel ? y/[n]: " _install
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if [ "$_install" = "y" ] || [ "$_install" = "Y" ] || [ "$_install" = "yes" ] || [ "$_install" = "Yes" ]; then
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_kernelname=$_basekernel.${_kernel_subver}_$_kernel_flavor
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_headers_rpm="kernel-headers-${_kernelname}*.rpm"
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_kernel_rpm="kernel-${_kernelname}*.rpm"
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_kernel_devel_rpm="kernel-devel-${_kernelname}*.rpm"
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cd RPMS
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if [ "$_distro" = "Fedora" ]; then
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sudo dnf install $_headers_rpm $_kernel_rpm $_kernel_devel_rpm
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elif [ "$_distro" = "Suse" ]; then
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msg2 "Some files from 'linux-glibc-devel' will be replaced by files from the custom kernel-hearders package"
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msg2 "To revert back to the original kernel headers do 'sudo zypper install -f linux-glibc-devel'"
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sudo zypper install --replacefiles --allow-unsigned-rpm $_headers_rpm $_kernel_rpm $_kernel_devel_rpm
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fi
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msg2 "Install successful"
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fi
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fi
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fi
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fi
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if [ "$1" = "uninstall-help" ]; then
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cd "$_where"
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msg2 "List of installed custom tkg kernels: "
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if [ "$_distro" = "Ubuntu" ]; then
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dpkg -l "*tkg*" | grep "linux.*tkg"
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dpkg -l "*linux-libc-dev*" | grep "linux.*tkg"
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msg2 "To uninstall a version, you should remove the linux-image, linux-headers and linux-libc-dev associated to it (if installed), with: "
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msg2 " sudo apt remove linux-image-VERSION linux-headers-VERSION linux-libc-dev-VERSION"
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msg2 " where VERSION is displayed in the lists above, uninstall only versions that have \"tkg\" in its name"
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elif [ "$_distro" = "Fedora" ]; then
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dnf list --installed kernel*
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msg2 "To uninstall a version, you should remove the kernel, kernel-headers and kernel-devel associated to it (if installed), with: "
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msg2 " sudo dnf remove --noautoremove kernel-VERSION kernel-devel-VERSION kernel-headers-VERSION"
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msg2 " where VERSION is displayed in the second column"
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elif [ "$_distro" = "Suse" ]; then
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zypper packages --installed-only | grep "kernel.*tkg"
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msg2 "To uninstall a version, you should remove the kernel, kernel-headers and kernel-devel associated to it (if installed), with: "
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msg2 " sudo zypper remove --no-clean-deps kernel-VERSION kernel-devel-VERSION kernel-headers-VERSION"
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msg2 " where VERSION is displayed in the second to last column"
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fi
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fi
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