96 lines
3.0 KiB
Bash
Executable File
96 lines
3.0 KiB
Bash
Executable File
#!/bin/bash
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SILENT=false
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NICE_CMD="nice -n 19 ionice -c2"
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[ -f /etc/gentoo-upgrade.conf ] && source /etc/gentoo-upgrade.conf
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# available parameters
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eval set -- "`getopt -o hs --long help,silent -- \"$@\"`"
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while true ; do
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case "$1" in
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-h|--help)
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echo "Usage: kernel-rebuild.sh [keys]..."
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echo "Keys:"
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echo -e "-h, --help\tShow this help and exit."
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echo -e "-s, --silent \tMake with silentoldconfig."
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echo
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echo -e "This program works on any GNU/Linux with GNU Baurne's shell"
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echo -e "Report bugs to <mecareful@gmail.com>"
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exit 0
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;;
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-s|--silent) SILENT=true ; shift ;;
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--) shift ; break ;;
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*) echo "Internal error!" ; exit -1 ;;
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esac
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done
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CONFIG_FILE=/proc/config.gz
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[ "$1" != "" ] && CONFIG_FILE=$1
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# remounting file systems ro->rw
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for fs in $RW_REMOUNT; do
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if [[ "$fs" =~ ^/+usr/*$ || "$fs" =~ ^/+boot/*$ ]]; then
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echo "remounting $fs -> rw"
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mount -o remount,rw $fs
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[ 0 -ne $? ] && echo "mount -o remount,rw $fs failed ;-( =======" && exit -1
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fi
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done
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cd /usr/src/linux
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[ "$?" != "0" ] && echo /usr/src/linux doesn\'t exist && exit -1
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zcat $CONFIG_FILE >.config 2>/dev/null || cat $CONFIG_FILE >.config
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[ "$?" != "0" ] && echo "$CONFIG_FILE doesn't exist or /usr mounted as read-only" && exit -1
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if [ true == "$SILENT" ]; then
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yes "" | make silentoldconfig
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[ "$?" != "0" ] && echo "======= yes \"\" | make silentoldconfig failed ;-( =======" && exit -1
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else
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make MENUCONFIG_MODE=single_menu MENUCONFIG_COLOR=mono menuconfig
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[ "$?" != "0" ] && echo "======= make menuconfig failed ;-( =======" && exit -1
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fi
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# disable distcc for -march=native -mtune=native
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grep 'CONFIG_X86_MARCH_NATIVE=y' .config &>/dev/null
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jobs=$((`grep "^processor" /proc/cpuinfo -c`+1))
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if [[ "$?" == 0 ]]; then
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$NICE_CMD make -j$jobs
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[ 0 -ne $? ] && echo "Kernel build failed ;-(" && exit -1
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else
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# pump make -j$((jobs*3)) || make -j$jobs
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$NICE_CMD make -j$jobs
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[ 0 -ne $? ] && echo "Kernel build failed ;-(" && exit -1
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fi
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$NICE_CMD make install
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$NICE_CMD make modules_install
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REVISION=`cat /usr/src/linux/include/config/kernel.release`
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which dracut &>/dev/null && $NICE_CMD dracut --hostonly --force /boot/initramfs-$REVISION.img $REVISION
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sed -i "s~\/boot\/vmlinuz-[0-9][^ ]*~\/boot\/vmlinuz-$REVISION~g;
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s~\/boot\/initramfs-[0-9][^ ]*~\/boot\/initramfs-$REVISION.img~g" \
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/boot/grub/grub.conf
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echo "--------- Rebuilding kernel modules ---------"
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emerge -1qv @module-rebuild
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[ 0 -ne $? ] && echo "Upgrading kernel modules failed ;-(" && exit -1
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cd $pwdtmp
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# remounting file systems rw->ro
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for fs in $RO_REMOUNT; do
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if [[ "$fs" =~ ^/+usr/*$ || "$fs" =~ ^/+boot/*$ ]]; then
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echo "remounting $fs -> ro"
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mount -f -o remount,ro $fs
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[ 0 -ne $? ] && echo "mount -f -o remount,ro $fs failed ;-( =======" && exit -1
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fi
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done
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exit 0
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