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Gentoo-Upgrade
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kernel-clean: autoremount ro/rw

This commit is contained in:
Kolan Sh 2013-04-01 15:07:13 +04:00
parent 33d693e768
commit 072efc726f
1 changed files with 20 additions and 0 deletions
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20
sbin/kernel-clean.sh
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@ -1,5 +1,7 @@
#!/bin/bash #!/bin/bash
[ -f /etc/gentoo-upgrade.conf ] && source /etc/gentoo-upgrade.conf
NICE_CMD="nice -n 19 ionice -c2" NICE_CMD="nice -n 19 ionice -c2"
REVISION=`kernel-config list | grep \*$ | cut -d" " -f6 | cut -d- -f2-8` REVISION=`kernel-config list | grep \*$ | cut -d" " -f6 | cut -d- -f2-8`
@ -8,6 +10,15 @@ REVISION=`kernel-config list | grep \*$ | cut -d" " -f6 | cut -d- -f2-8`
SOURCES=linux-$REVISION SOURCES=linux-$REVISION
[ "" == "$SOURCES" ] && echo "No appropriate kernel sources found ;-(" && exit -1 [ "" == "$SOURCES" ] && echo "No appropriate kernel sources found ;-(" && exit -1
# remounting file systems ro->rw
for fs in $RW_REMOUNT; do
if [[ "$fs" =~ ^/+usr/*$ || "$fs" =~ ^/+boot/*$ ]]; then
echo "remounting $fs -> rw"
mount -o remount,rw $fs
[ 0 -ne $? ] && echo "mount -o remount,rw $fs failed ;-( =======" && exit -1
fi
done
# rm old modules # rm old modules
cd /lib/modules && $NICE_CMD rm -rf `ls | grep -v "^$REVISION$"` cd /lib/modules && $NICE_CMD rm -rf `ls | grep -v "^$REVISION$"`
@ -19,5 +30,14 @@ mount -o remount,ro /boot
# rm old sources # rm old sources
cd /usr/src && $NICE_CMD rm -rf `find -maxdepth 1 -name "linux-*" -type d | grep -v "$SOURCES$"` cd /usr/src && $NICE_CMD rm -rf `find -maxdepth 1 -name "linux-*" -type d | grep -v "$SOURCES$"`
# remounting file systems rw->ro
for fs in $RO_REMOUNT; do
if [[ "$fs" =~ ^/+usr/*$ || "$fs" =~ ^/+boot/*$ ]]; then
echo "remounting $fs -> ro"
mount -o remount,ro $fs
[ 0 -ne $? ] && echo "mount -o remount,ro $fs failed ;-( =======" && exit -1
fi
done
exit 0 exit 0