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remove-old-kernels: check only current flavour (or used with -t) (ALT bug #30717)

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remove-old-kernels: do not delete current or newest kernel
This commit is contained in:
Vitaly Lipatov 2016-04-24 03:42:48 +03:00
parent edf7f6e6de
commit 027198d2b8
1 changed files with 30 additions and 3 deletions
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33
remove-old-kernels
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@ -27,13 +27,14 @@ Usage: $PROG [options]
Valid options are:
-f, --force non-interactive kernel removal (default is interactive)
-n, --dry-run just simulate removal
-t, --type remove kernels with specified flavour (ovz-smp, std-def, etc)
-h, --help show this text and exit
EOF
exit 1
}
#parse command line options
TEMP=`getopt -n $PROG -o f,n,h -l force,dry-run,help -- "$@"` || show_help
TEMP=`getopt -n $PROG -o f,n,t:,h -l force,dry-run,type:,help -- "$@"` || show_help
eval set -- "$TEMP"
while :; do
@ -44,6 +45,8 @@ while :; do
;;
-n|--dry-run) dryrun="--no-remove"
;;
-t|--type) shift ; kernel_flavour="$1"
;;
-h|--help) show_help
esac
shift
@ -53,15 +56,39 @@ if [ -n "$force" -a -n "$dryrun" ]; then
show_usage '--force and --dry-run are mutually exclusive options.'
fi
flavour_version_release="$(uname -r | awk -F- '{print $2"-"$3"-"$1"-"$4}')"
old_kernels="$(rpm -qa | fgrep kernel-image | fgrep -v $flavour_version_release | tr '\n' ' ')"
###### copied from update-kernel
# get running kernel version
current_kernel_package=$(rpmquery -qf /lib/modules/$(uname -r)/kernel 2>/dev/null)
if [ -n "$current_kernel_package" ] ; then
current_kernel_pkgname=$(rpmquery --queryformat "%{NAME}-%{SERIAL}:%{VERSION}-%{RELEASE}\n" -q $current_kernel_package)
echo $current_kernel_pkgname | grep -q "(none)" && current_kernel_pkgname=$(rpmquery --queryformat "%{NAME}-%{VERSION}-%{RELEASE}\n" -q $current_kernel_package)
else
current_kernel_pkgname="UNKNOWN"
fi
echo "Running kernel version: $current_kernel_pkgname"
#######
# set kernel flavour. if not defined with -t option, use current
current_kernel_flavour="$(uname -r | cut -d "-" -f2,3)"
kernel_flavour="${kernel_flavour:-$current_kernel_flavour}"
echo "Checking for installed kernel packages..."
flavour_version_release="$(uname -r | awk -F- '{print $2"-"$3"-"$1"-"$4}')"
old_kernels="$(rpm -qa | fgrep kernel-image-$kernel_flavour | fgrep -v $flavour_version_release | sort | tr '\n' ' ')"
echo "For removing:"
# calculate arguments for apt
for kernel in $old_kernels
do
if [ "$current_kernel_flavour" = "$kernel_flavour" ] ; then
comparever="$(rpmevrcmp "$current_kernel_package" "$kernel")"
[ "$comparever" -lt 0 ] && continue
fi
echo " $kernel"
apt_args_list="$apt_args_list $(rpm -q --queryformat '%{NAME}#%{EPOCH}:%{VERSION}-%{RELEASE}\n' $kernel \
| sed -e "s,(none):,,g")"
done
echo
# use sudo(1) if running as unprivileged user
[ "$UID" = "0" ] && SUDO= || SUDO=sudo