91 lines
1.5 KiB
Bash
91 lines
1.5 KiB
Bash
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#! /bin/bash
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# Gentoo version
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# Some colors
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GREEN='\033[0;32m'
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RED='\033[0;31m'
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DEFAULT='\033[0m'
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# Defaults values
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DIR="/usr/src/"
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PREFIX='linux-'
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EXTENSION='.tar.xz'
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MAINLINE=1
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CURRENT_VERSION=`uname -r`
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# Function to script script if step fail
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isPreviousStepOk () {
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if [ $? -ne 0 ]; then
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echo -e "${RED} Error!${DEFAULT}"
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exit 1
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fi
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}
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if [[ $EUID -ne 0 ]]; then
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echo "This script must be run as root" 1>&2
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sudo $0
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exit 1
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fi
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# Get last kernel version
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INFO=`curl -Ls https://www.kernel.org/ | perl -lne 'BEGIN{$/=""} print "$1 $2" if \
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/latest_link.*?<a.*?href=\"(.*?)\".*?>(.*?)</s'`
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# Extract some values from kernel name
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KERNEL=`echo ${INFO} | cut -d' ' -f 2`
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URL=`echo ${INFO} | cut -d' ' -f 1`
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FILE=`echo ${URL}|rev|cut -d'/' -f 1 | rev`
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if [ "${CURRENT_VERSION}" == "${KERNEL}" ]; then
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echo -e "${RED}You already have the latest version${DEFAULT}"
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exit 1
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fi
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# Go to build dir
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cd ${DIR} || exit
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# Get kernel archive
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wget ${URL}
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isPreviousStepOk
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# Extract kernel archive
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tar xavf "${FILE}"
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isPreviousStepOk
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# Updated symlink
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ln -snf linux-${KERNEL} linux
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isPreviousStepOk
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# Enter kernel directory
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cd linux
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isPreviousStepOk
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# Get old config
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make oldconfig
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isPreviousStepOk
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# Build kernel
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make -j$(nproc)
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# Build modules
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make modules_install
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# Install kernel
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make install
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# Update grub
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grub-mkconfig -o /boot/grub/grub.cfg
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# Rebuild modules
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emerge --ask --verbose @module-rebuild
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# Go to parent directory
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cd ..
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# Remove archive
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rm ${FILE}
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echo -e "${GREEN} ALL DONE!\n"
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