127 lines
3.9 KiB
Bash
Executable File
127 lines
3.9 KiB
Bash
Executable File
#!/bin/sh
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# Copyright (C) 2008 Vladimir V. Kamarzin <vvk@altlinux.org>
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#
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# Remove all kernels except current
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#
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# This file is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
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. shell-error
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. shell-args
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show_help()
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{
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cat <<EOF
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Usage: $PROG [options]
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Valid options are:
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-f, -y, --force non-interactive kernel removal (default is interactive)
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-n, --dry-run just simulate removal
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-t, --type remove kernels with specified flavour (ovz-smp, std-def, etc)
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-a, --all remove kernels with all flavours
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-h, --help show this text and exit
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EOF
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exit 1
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}
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#parse command line options
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TEMP=`getopt -n $PROG -o f,y,n,t:,h,a -l force,dry-run,type:,help,all -- "$@"` || show_help
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eval set -- "$TEMP"
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while :; do
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case "$1" in
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--) shift; break
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;;
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-f|-y|--force) force="-y"
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;;
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-n|--dry-run) dryrun="--no-remove"
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;;
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-t|--type) shift ; kernel_flavour="$1"
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;;
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-a|--all) all=1
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;;
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-h|--help) show_help
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esac
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shift
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done
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if [ -n "$force" -a -n "$dryrun" ]; then
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show_usage '--force and --dry-run are mutually exclusive options.'
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fi
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if [ -n "$kernel_flavour" -a -n "$all" ]; then
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show_usage '--type and --all are mutually exclusive options.'
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fi
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###### copied from update-kernel
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# get running kernel version
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current_kernel_package=$(rpmquery -qf /lib/modules/$(uname -r)/kernel 2>/dev/null)
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if [ -n "$current_kernel_package" ] ; then
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current_kernel_pkgname=$(rpmquery --queryformat "%{NAME}-%{SERIAL}:%{VERSION}-%{RELEASE}\n" -q $current_kernel_package)
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echo $current_kernel_pkgname | grep -q "(none)" && current_kernel_pkgname=$(rpmquery --queryformat "%{NAME}-%{VERSION}-%{RELEASE}\n" -q $current_kernel_package)
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else
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current_kernel_pkgname="UNKNOWN"
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fi
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echo "Running kernel version: $current_kernel_pkgname"
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#######
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# set kernel flavour. if not defined with -t option, use current
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current_kernel_flavour="$(uname -r | cut -d "-" -f2,3)"
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if [ -n "$all" ] ; then
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flavours="$(rpm -qa --queryformat '%{NAME}\n' | fgrep kernel-image- | fgrep -v domU | sort -u | cut -d "-" -f3- | tr '\n' ' ')"
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else
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flavours="${kernel_flavour:-$current_kernel_flavour}"
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fi
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echo "Checking for installed kernel packages..."
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flavour_version_release="$(uname -r | awk -F- '{print $2"-"$3"-"$1"-"$4}')"
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echo "For removing:"
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for kernel_flavour in $flavours
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do
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old_kernels="$(rpm -qa | fgrep kernel-image-$kernel_flavour | fgrep -v $flavour_version_release | sort | tr '\n' ' ')"
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if [ -n "$all" ] ; then
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echo "$kernel_flavour:"
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fi
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for kernel in $old_kernels
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do
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if [ "$current_kernel_flavour" = "$kernel_flavour" ] ; then
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comparever="$(rpmevrcmp "$current_kernel_package" "$kernel")"
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[ "$comparever" -lt 0 ] && continue
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else
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# check if kernel is latest with given flavour
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latest=1
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for kernel2 in $old_kernels
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do
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comparever="$(rpmevrcmp "$kernel" "$kernel2")"
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[ "$comparever" -lt 0 ] && latest=0
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done
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[ "$latest" -eq 1 ] && continue
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fi
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echo " $kernel"
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apt_args_list="$apt_args_list $(rpm -q --queryformat '%{NAME}=%{EPOCH}:%{VERSION}-%{RELEASE}\n' $kernel \
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| sed -e "s,(none):,,g")"
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done
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done
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echo
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# use sudo(1) if running as unprivileged user
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[ "$UID" = "0" ] && SUDO= || SUDO=sudo
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$SUDO apt-get $force $dryrun remove $apt_args_list
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# Mask non-zero apt exit code on dry run:
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if [ -n "$dryrun" ]; then
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exit 0
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fi
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