Vitaly Chikunov
7d47e9beb8
Also show what is not deleted and why. So user see decision about all the kernels in the system. Signed-off-by: Vitaly Chikunov <vt@altlinux.org>
155 lines
4.2 KiB
Bash
Executable File
155 lines
4.2 KiB
Bash
Executable File
#!/bin/bash
|
|
# Copyright (C) 2008 Vladimir V. Kamarzin <vvk@altlinux.org>
|
|
#
|
|
# Remove all kernels except current
|
|
#
|
|
# This file is free software; you can redistribute it and/or modify
|
|
# it under the terms of the GNU General Public License as published by
|
|
# the Free Software Foundation; either version 2 of the License, or
|
|
# (at your option) any later version.
|
|
#
|
|
# This program is distributed in the hope that it will be useful,
|
|
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
# GNU General Public License for more details.
|
|
#
|
|
# You should have received a copy of the GNU General Public License
|
|
# along with this program; if not, write to the Free Software
|
|
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
|
|
|
|
PROG=${0##*/}
|
|
message() {
|
|
echo >&2 "$PROG: $*"
|
|
}
|
|
|
|
fatal() {
|
|
message "$@"
|
|
exit 1
|
|
}
|
|
|
|
show_usage()
|
|
{
|
|
[ -z "$*" ] || message "$*"
|
|
echo >&2 "Try \`$PROG --help' for more information."
|
|
exit 1
|
|
}
|
|
|
|
show_help()
|
|
{
|
|
cat <<EOF
|
|
Usage: $PROG [options]
|
|
Valid options are:
|
|
-f, -y, --force non-interactive kernel removal (default is interactive)
|
|
-n, --dry-run just simulate removal
|
|
-t, --type remove kernels with specified flavour (ovz-smp, std-def, etc)
|
|
-a, --all remove kernels with all flavours
|
|
-h, --help show this text and exit
|
|
EOF
|
|
exit 0
|
|
}
|
|
|
|
#parse command line options
|
|
TEMP=$(getopt -n "$PROG" -o f,y,n,t:,h,a,v -l force,dry-run,type:,help,all,verbose -- "$@") || show_help
|
|
eval set -- "$TEMP"
|
|
|
|
while :; do
|
|
case "$1" in
|
|
--) shift; break
|
|
;;
|
|
-f|-y|--force) force="-y"
|
|
;;
|
|
-n|--dry-run) dryrun="--no-remove"
|
|
;;
|
|
-t|--type) shift ; kernel_flavour="$1"
|
|
;;
|
|
-a|--all) all=1
|
|
;;
|
|
-v|--verbose) verbose=1
|
|
;;
|
|
-h|--help) show_help
|
|
esac
|
|
shift
|
|
done
|
|
|
|
if [ -n "$force" ] && [ -n "$dryrun" ]; then
|
|
show_usage '--force and --dry-run are mutually exclusive options.'
|
|
fi
|
|
|
|
if [ -n "$kernel_flavour" ] && [ -n "$all" ]; then
|
|
show_usage '--type and --all are mutually exclusive options.'
|
|
fi
|
|
|
|
if [ -n "$verbose" ]; then
|
|
V() { echo >&2 "+ $*"; "$@"; }
|
|
else
|
|
V() { "$@"; }
|
|
fi
|
|
|
|
cr=$'\n'
|
|
|
|
uname_r=$(uname -r)
|
|
|
|
# get running kernel version
|
|
current_kernel_package=$(rpmquery -qf "/lib/modules/$uname_r/kernel" 2>/dev/null)
|
|
if [ -n "$current_kernel_package" ] ; then
|
|
current_kernel_pkgname=$(rpmquery --queryformat "%{NAME}-%{VERSION}-%{RELEASE}\n" -q "$current_kernel_package")
|
|
echo "Currently booted kernel package: $current_kernel_pkgname"
|
|
unset current_kernel_pkgname
|
|
else
|
|
echo "Running kernel version: $uname_r (package not found)"
|
|
fi
|
|
|
|
# set kernel flavour. if not defined with -t option, use current
|
|
current_kernel_flavour="$uname_r"
|
|
current_kernel_flavour="${current_kernel_flavour#*-}"
|
|
current_kernel_flavour="${current_kernel_flavour%-*}"
|
|
if [ -n "$all" ] ; then
|
|
flavours="$(rpm -qa --queryformat '%{NAME}\n' 'kernel-image-*' | grep -v -w -e domU -e debuginfo | sort -u | cut -d- -f3-)"
|
|
else
|
|
flavours="${kernel_flavour:-$current_kernel_flavour}"
|
|
fi
|
|
|
|
# Sort the kernels
|
|
keep_kernels=
|
|
for kernel_flavour in $flavours; do
|
|
all_kernels="$(rpm -qa "kernel-image-$kernel_flavour" | sort -V)"
|
|
newest_kernel=$(echo "$all_kernels" | tail -1)
|
|
for kernel in $all_kernels; do
|
|
reason=
|
|
if [ "$kernel" = "$newest_kernel" ]; then
|
|
reason="$reason,latest for $kernel_flavour"
|
|
fi
|
|
if [ "$kernel" = "$current_kernel_package" ]; then
|
|
reason="$reason,currently booted"
|
|
fi
|
|
if [ -n "$reason" ]; then
|
|
keep_kernels="$keep_kernels $kernel (${reason#,})$cr"
|
|
else
|
|
remove_kernels="$remove_kernels $kernel$cr"
|
|
apt_args_list="$apt_args_list $(rpm -q --queryformat '%{NAME}=%{EPOCH}:%{VERSION}-%{RELEASE}\n' "$kernel" \
|
|
| sed -e "s,(none):,,g")"
|
|
fi
|
|
done
|
|
done
|
|
echo "Not removing these kernels (reason why keeping):"
|
|
echo "$keep_kernels"
|
|
echo "Removing these kernels:"
|
|
echo "$remove_kernels"
|
|
|
|
if [ -z "$apt_args_list" ] ; then
|
|
echo "Nothing to remove."
|
|
exit 0
|
|
fi
|
|
|
|
if [ "$UID" != "0" ]; then
|
|
echo >&2 "This program requires root privileges."
|
|
fi
|
|
|
|
# shellcheck disable=SC2086
|
|
V apt-get $force $dryrun remove $apt_args_list
|
|
|
|
# Mask non-zero apt exit code on dry run:
|
|
if [ -n "$dryrun" ]; then
|
|
exit 0
|
|
fi
|