90 lines
3.5 KiB
Bash
Executable File
90 lines
3.5 KiB
Bash
Executable File
#!/bin/bash
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let FORCE_REBUILD=0
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KERNEL_REBUILD_ARGS=""
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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 h,q --long help,force-rebuild,mrproper,quiet -- \"$@\"`"
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while true ; do
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case "$1" in
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-h|--help)
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echo "Usage: kernel-getlast.sh [keys]..."
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echo "Keys:"
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echo -e "-h, --help\t\t\tShow this help and exit."
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echo -e "--force-rebuild\t\t\tForce to rebuild kernel even if no new versions found."
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echo -e "--mrproper\t\t\tClean kernel sources before rebuild."
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echo -e "-q, --quiet\t\t\tMake kernel configuration non-interactive."
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echo
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echo -e "This program works on any GNU/Linux with GNU Baurne's shell"
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echo -e "Report bugs to <mecareful@gmail.com>"
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exit 0
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;;
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--force-rebuild) let FORCE_REBUILD=1 ; shift ;;
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--mrproper) KERNEL_REBUILD_ARGS="$KERNEL_REBUILD_ARGS --mrproper" ; shift ;;
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-q|--quiet) KERNEL_REBUILD_ARGS="$KERNEL_REBUILD_ARGS --silent" ; shift ;;
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--) shift ; break ;;
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*) echo "Internal error!" ; exit -1 ;;
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esac
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done
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current_kernel_src=`kernel-config list | grep \* | cut -d" " -f6`
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if [ "" == "$current_kernel_src" ]; then
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current_kernel_src=`readlink -f /usr/src/linux`
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current_kernel_src=${current_kernel_src##*/}
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fi
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[ "" == "$current_kernel_src" ] && echo "Cann't determine current kernel sources ;-(" && exit -1
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kernel_regex=`echo -n $current_kernel_src | sed 's~[0-9]*\.[0-9]*\.[0-9]*~[0-9]*\.[0-9]*\.[0-9]*~ ; s~-r[0-9]*$~~; s~$~\\\(-r[0-9]\\\)\\\?~'`
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[ "" == "$kernel_regex" ] && echo "kernel_regex build failed ;-(" && exit -1
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new_kernel=`kernel-config list | cut -d" " -f6 | grep ^$kernel_regex$ | sort -V | tail -n1`
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[ "" == "$new_kernel" ] && echo "Couldn't find appropriate new kernel version ;-(" && exit -1
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echo new_kernel=$new_kernel
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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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kernel-config set $new_kernel
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[ 0 -ne $? ] && echo "kernel-config set $new_kernel failed ;-(" && exit -1
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kernel-clean.sh
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[ 0 -ne $? ] && echo "kernel-clean.sh failed ;-(" && exit -1
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vmlinuz_file=/boot/`echo $new_kernel | sed 's~^linux~vmlinuz~'`
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[ "" == "$vmlinuz_file" ] && echo "vmlinuz_file == \"\"" && exit -1
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vmlinuz_file_x86_64=/boot/`echo $new_kernel | sed 's~^linux~vmlinuz~'`-x86_64
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[ "" == "$vmlinuz_file_x86_64" ] && echo "vmlinuz_file_x86_64 == \"\"" && exit -1
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march=`uname -m`
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genkernel_file=/boot/`echo $new_kernel | sed "s~^linux~kernel-genkernel-${march}~"`
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echo vmlinuz_file=$vmlinuz_file
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echo vmlinuz_file_x86_64=$vmlinuz_file_x86_64
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echo genkernel_file=$genkernel_file
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[ "" == "$genkernel_file" ] && echo "genkernel_file == \"\"" && exit -1
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if [[ ! -f "$vmlinuz_file" && ! -f "$vmlinuz_file_x86_64" && ! -f "$genkernel_file" || 1 -eq $FORCE_REBUILD ]]; then
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kernel-rebuild.sh $KERNEL_REBUILD_ARGS
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[ 0 -ne $? ] && echo "kernel-rebuild.sh $KERNEL_REBUILD_ARGS failed" && exit -1
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fi
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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 -o remount,ro -force $fs
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[ 0 -ne $? ] && echo "mount -o remount,ro -force $fs failed ;-( =======" && exit -1
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fi
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done
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exit 0
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