c0e7037941
On aarch64, kernel images are named `/boot/vmlinux-<version>` rather than `/boot/vmlinuz-<version>`. This update checks which architecture we are running on and selects the appropriate kernel image format. This fixes #7697.
132 lines
2.8 KiB
Bash
132 lines
2.8 KiB
Bash
#!/bin/sh
|
|
#
|
|
# A simple script to remove old kernel files/modules.
|
|
# Brought to you by yours truly Juan RP in the Public Domain.
|
|
#
|
|
: ${progname:=$(basename $0)}
|
|
|
|
case "$(xbps-uhelper arch)" in
|
|
aarch64*) KIMAGE="vmlinux";;
|
|
*) KIMAGE="vmlinuz";;
|
|
esac
|
|
|
|
usage()
|
|
{
|
|
cat <<_EOF
|
|
Usage: $progname <target> [<version>]
|
|
|
|
Targets:
|
|
list Lists old installed kernels.
|
|
rm <version...|all> Remove kernel <version> or all old kernels.
|
|
|
|
Example:
|
|
$ $progname list
|
|
$ $progname rm 2.6.39.2
|
|
_EOF
|
|
exit 1
|
|
}
|
|
|
|
list_kernels()
|
|
{
|
|
local k kpkg installed kver _f
|
|
|
|
for k in /boot/$KIMAGE-*; do
|
|
_f=$(basename $k)
|
|
kver=$(echo ${_f}|sed -e 's|-rc|rc|')
|
|
installed=$(xbps-query -o "$k" 2>/dev/null)
|
|
[ -n "$installed" ] && continue
|
|
kpkg="$(xbps-uhelper getpkgversion ${_f} 2>/dev/null)"
|
|
[ "$(uname -r)" = "$kpkg" ] && continue
|
|
[ -n "$kpkg" ] && echo "$kpkg"
|
|
done
|
|
}
|
|
|
|
run_hooks()
|
|
{
|
|
local dir="$1"
|
|
local kver="$2"
|
|
local d
|
|
|
|
for d in /etc/kernel.d/${dir}/*; do
|
|
[ ! -x "$d" ] && continue
|
|
echo "Running ${dir} kernel hook: $(basename $d)..."
|
|
$d kernel $kver
|
|
done
|
|
}
|
|
|
|
remove_kernel()
|
|
{
|
|
local rmkver="$1"
|
|
local installed f kfile
|
|
|
|
if [ ! -f /boot/$KIMAGE-${rmkver} -a ! -d /lib/modules/${rmkver} ]; then
|
|
echo "Kernel ${rmkver} not installed."
|
|
exit 0
|
|
fi
|
|
|
|
installed=$(xbps-uhelper version "linux${rmkver%*.*}" 2>/dev/null)
|
|
if [ -n "$installed" -a "$installed" = "$rmkver" ]; then
|
|
echo "Kernel $rmkver is currently installed."
|
|
exit 0
|
|
fi
|
|
|
|
# Execute pre-remove kernel hooks.
|
|
run_hooks pre-remove $rmkver
|
|
# Remove kernel files in /boot.
|
|
for f in config System.map $KIMAGE; do
|
|
kfile="/boot/${f}-${rmkver}"
|
|
[ ! -f "${kfile}" ] && continue
|
|
echo "Removing ${kfile}..."
|
|
rm -f ${kfile}
|
|
done
|
|
# Remove kernel modules
|
|
if [ -d "/lib/modules/${rmkver}" ]; then
|
|
echo "Removing /lib/modules/${rmkver}..."
|
|
rm -rf /lib/modules/${rmkver}
|
|
fi
|
|
# Execute post-remove kernel hooks.
|
|
run_hooks post-remove $rmkver
|
|
# Remove kernel-headers.
|
|
if [ -d /usr/src/kernel-headers-${rmkver} ]; then
|
|
rm -rf /usr/src/kernel-headers-${rmkver}
|
|
fi
|
|
# Remove debugging symbols.
|
|
dfile=/usr/lib/debug/boot/vmlinux-${rmkver}
|
|
if [ -f "${dfile}" ]; then
|
|
echo "Removing ${dfile}..."
|
|
rm -f ${dfile}
|
|
fi
|
|
if [ -d /usr/lib/debug/usr/lib/modules/${rmkver} ]; then
|
|
echo "Removing /usr/lib/debug/usr/lib/modules/${rmkver}..."
|
|
rm -rf /usr/lib/debug/usr/lib/modules/${rmkver}
|
|
fi
|
|
}
|
|
|
|
if [ "$1" = "list" ]; then
|
|
list_kernels
|
|
elif [ "$1" = "rm" ]; then
|
|
if [ "$(id -u)" -ne 0 ]; then
|
|
echo "You have to run this script as root!"
|
|
exit 1
|
|
fi
|
|
|
|
if [ -z "$2" ]; then
|
|
usage
|
|
elif [ "$2" = "all" ]; then
|
|
kernels=$(list_kernels)
|
|
for k in ${kernels}; do
|
|
echo "Removing kernel $k files ..."
|
|
remove_kernel "$k"
|
|
done
|
|
else
|
|
shift
|
|
for k; do
|
|
echo "Removing kernel $k files ..."
|
|
remove_kernel "$k"
|
|
done
|
|
fi
|
|
else
|
|
usage
|
|
fi
|
|
|
|
exit 0
|