65 lines
2.3 KiB
Bash
Executable File
65 lines
2.3 KiB
Bash
Executable File
#!/bin/bash
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[ -f /etc/gentoo-upgrade.conf ] && source /etc/gentoo-upgrade.conf
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NICE_CMD="nice -n 19 ionice -c2"
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REVISION=`kernel-config list | grep \*$ | cut -d" " -f6 | cut -d- -f2-8 | sed 's~\\+~\\\\+~g'`
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[ "" == "$REVISION" ] && echo "No appropriate kernel revision found ;-(" && exit -1
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UNAME=`uname -r | sed 's~\\+~\\\\+~g'`
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echo UNAME=$UNAME
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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 $fs failed ;-( =======" && exit -1
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fi
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done
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# rm old modules
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echo REVISION=$REVISION
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cd /lib/modules && $NICE_CMD rm -rf `ls --color=never | sort -V | grep -vE "^$REVISION$|^$REVISION-x86_64$|^$UNAME$"`
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# rm old kernel revisions
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mount -o remount,rw /boot
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cd /boot
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for f in System.map config vmlinuz kernel-genkernel initramfs; do
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rm -f `ls --color=never $f-* 2>/dev/null | sort -V | grep -vE "$REVISION$|$REVISION-x86_64$|$REVISION.img$|$REVISION-x86_64.img$|$UNAME$|$UNAME-x86_64$|$UNAME.img$|$UNAME-x86_64.img$"`
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done
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mount -o remount,ro -force /boot
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# Updating Grub config
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echo "Updating Grub menu"
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if [ `which grub-mkconfig 2>/dev/null` ]; then
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[ -f /boot/grub/grub.cfg ] && grub-mkconfig -o /boot/grub/grub.cfg
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[ -f /boot/grub2/grub.cfg ] && grub-mkconfig -o /boot/grub2/grub.cfg
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elif [ `which grub2-mkconfig 2>/dev/null` ]; then
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[ -f /boot/grub/grub.cfg ] && grub2-mkconfig -o /boot/grub/grub.cfg
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[ -f /boot/grub2/grub.cfg ] && grub2-mkconfig -o /boot/grub2/grub.cfg
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else
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[ -f /boot/grub/grub.conf ] && \
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sed -i "s~\/boot\/vmlinuz-[0-9][^ ]*~\/boot\/vmlinuz-$REVISION~g;
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s~\/boot\/kernel-genkernel-`uname -m`-[0-9][^ ]*~\/boot\/kernel-genkernel-`uname -m`-$REVISION~g;
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s~\/boot\/initramfs-[0-9][^ ]*~\/boot\/initramfs-$REVISION.img~g" \
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/boot/grub/grub.conf
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fi
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# rm old sources
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cd /usr/src
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$NICE_CMD rm -rf `find -maxdepth 1 -name "linux-*" -type d | sort -V | grep -vE "linux-$REVISION$|linux-$UNAME"`
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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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