base-files: vkpurge: add wildcard support
closes #4614 Co-authored-by: maxice8 <thinkabit.ukim@gmail.com> Co-authored-by: Duncaen <duncaen@voidlinux.org>
This commit is contained in:
Martin Dimov
maxice8
parent
a7fadf0e0a
commit
f39996c2ff
3 changed files with 115 additions and 148 deletions
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@ -3,135 +3,92 @@
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# A simple script to remove old kernel files/modules.
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# Brought to you by yours truly Juan RP in the Public Domain.
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#
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: ${progname:=$(basename $0)}
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: "${progname:="${0##*/}"}"
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case "$(xbps-uhelper arch)" in
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aarch64*|ppc64*) KIMAGE="vmlinux";;
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*) KIMAGE="vmlinuz";;
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esac
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usage()
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{
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usage() {
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cat <<_EOF
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Usage: $progname <target> [<version>]
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Targets:
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list Lists old installed kernels.
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rm <version...|all> Remove kernel <version> or all old kernels.
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Example:
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$ $progname list
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$ $progname rm 4.9.81_1
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Usage: $progname list [version ...]
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$progname rm all
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$progname rm <version ...>
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_EOF
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exit 1
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}
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list_kernels()
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{
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local k kpkg installed kver _f
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list_kernels() {
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running=$(uname -r)
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installed=$(xbps-query -o "/boot/vmlinu[xz]-*" 2>/dev/null | awk '{print $2}')
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for arg; do
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case "$arg" in
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all) pattern="*" ;;
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*) pattern=$arg ;;
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esac
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for k in /boot/vmlinu[xz]-*; do
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case "$installed" in
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*"$k"*) continue ;;
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esac
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kver=${k##*-}
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case "$kver" in
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"$running") ;;
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$pattern) printf "%s\n" "$kver" ;;
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esac
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done
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done | sort -u
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}
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for k in /boot/$KIMAGE-*; do
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_f=$(basename $k)
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kver=$(echo ${_f}|sed -e 's|-rc|rc|')
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installed=$(xbps-query -o "$k" 2>/dev/null)
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[ -n "$installed" ] && continue
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kpkg="$(xbps-uhelper getpkgversion ${_f} 2>/dev/null)"
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[ "$(uname -r)" = "$kpkg" ] && continue
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[ -n "$kpkg" ] && echo "$kpkg"
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run_hooks() {
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dir="$1"
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kver="$2"
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for d in /etc/kernel.d/"${dir}"/*; do
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[ -x "$d" ] || continue
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printf "Running %s kernel hook: %s...\n" "$dir" "${d##*/}"
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"$d" kernel "$kver"
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done
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}
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run_hooks()
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{
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local dir="$1"
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local kver="$2"
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local d
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for d in /etc/kernel.d/${dir}/*; do
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[ ! -x "$d" ] && continue
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echo "Running ${dir} kernel hook: $(basename $d)..."
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$d kernel $kver
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done
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}
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remove_kernel()
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{
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local rmkver="$1"
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local installed f kfile
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if [ ! -f /boot/$KIMAGE-${rmkver} -a ! -d /lib/modules/${rmkver} ]; then
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echo "Kernel ${rmkver} not installed."
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exit 0
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fi
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installed=$(xbps-uhelper version "linux${rmkver%*.*}" 2>/dev/null)
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if [ -n "$installed" -a "$installed" = "$rmkver" ]; then
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echo "Kernel $rmkver is currently installed."
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exit 0
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fi
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remove_kernel() {
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rmkver="$1"
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# Execute pre-remove kernel hooks.
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run_hooks pre-remove $rmkver
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# Remove kernel files in /boot.
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for f in config System.map $KIMAGE; do
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kfile="/boot/${f}-${rmkver}"
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[ ! -f "${kfile}" ] && continue
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echo "Removing ${kfile}..."
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rm -f ${kfile}
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run_hooks pre-remove "$rmkver"
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for f in \
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/boot/config-"${rmkver}" \
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/boot/System.map-"${rmkver}" \
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/boot/vmlinu[xz]-"${rmkver}" \
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/usr/lib/modules/"${rmkver}"; do
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[ -e "$f" ] || continue
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printf "Removing %s...\n" "$f"
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rm -rf "$f"
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done
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# Remove kernel modules
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if [ -d "/lib/modules/${rmkver}" ]; then
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echo "Removing /lib/modules/${rmkver}..."
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rm -rf /lib/modules/${rmkver}
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fi
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# Execute post-remove kernel hooks.
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run_hooks post-remove $rmkver
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# Remove kernel-headers.
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if [ -d /usr/src/kernel-headers-${rmkver} ]; then
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rm -rf /usr/src/kernel-headers-${rmkver}
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fi
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# Remove debugging symbols.
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dfile=/usr/lib/debug/boot/vmlinux-${rmkver}
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if [ -f "${dfile}" ]; then
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echo "Removing ${dfile}..."
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rm -f ${dfile}
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fi
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if [ -d /usr/lib/debug/usr/lib/modules/${rmkver} ]; then
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echo "Removing /usr/lib/debug/usr/lib/modules/${rmkver}..."
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rm -rf /usr/lib/debug/usr/lib/modules/${rmkver}
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fi
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# Remove dtb files
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if [ -d "/boot/dtbs/dtbs-${rmkver}" ]; then
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echo "Removing /boot/dtbs/dtbs-${rmkver}..."
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rm -rf "/boot/dtbs/dtbs-${rmkver}"
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fi
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run_hooks post-remove "$rmkver"
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for f in \
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/usr/src/kernel-headers-"${rmkver}" \
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/usr/lib/debug/boot/vmlinu[xz]-"${rmkver}" \
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/usr/lib/debug/usr/lib/modules/"${rmkver}" \
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/boot/dtbs/dtbs-"${rmkver}"; do
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[ -e "$f" ] || continue
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printf "Removing %s...\n" "$f"
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rm -rf "$f"
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done
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}
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if [ "$1" = "list" ]; then
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list_kernels
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elif [ "$1" = "rm" ]; then
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if [ "$(id -u)" -ne 0 ]; then
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echo "You have to run this script as root!"
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exit 1
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fi
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if [ -z "$2" ]; then
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usage
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elif [ "$2" = "all" ]; then
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kernels=$(list_kernels)
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for k in ${kernels}; do
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echo "Removing kernel $k files ..."
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remove_kernel "$k"
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done
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else
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case "$1" in
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list) list_kernels "${2:-all}" ;;
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rm)
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[ -z "$2" ] && usage
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if [ "$(id -u)" -ne 0 ]; then
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printf "You have to run this script as root!\n" >&2
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exit 1
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fi
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shift
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for k; do
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echo "Removing kernel $k files ..."
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remove_kernel "$k"
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for kver in $(list_kernels "$@"); do
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printf "Removing kernel %s...\n" "$kver"
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remove_kernel "$kver"
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done
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fi
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else
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usage
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fi
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;;
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*) usage ;;
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esac
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exit 0
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@ -1,4 +1,4 @@
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.Dd July 24, 2016
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.Dd April 6, 2019
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.Dt VKPURGE 8
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.Os
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.Sh NAME
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@ -7,52 +7,62 @@
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.Sh SYNOPSIS
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.Nm
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.Cm list
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.Op Ar version
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.Nm
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.Cm rm all
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.Nm
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.Cm rm
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.Op Ar versions\ ... | Cm all
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.Ar version ...
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.Sh DESCRIPTION
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The
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.Nm
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command is used to properly remove old or unwanted kernels from Void Linux
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systems, by running the appropiate removal hooks and doing the removal.
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.Ss Justification
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utility lists and removes removable kernel versions leaved
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behind by
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.Xr xbps-install 1
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will leave old kernels in place when the kernel package gets upgraded, and
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.Xr xbps-remove 1
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will only be able to remove the latest kernel in a version,
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for example 4.3.4_4, but it would need to leave behind 4.3.4_3.
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.Sh OPTIONS
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.Bl -tag -width Ds
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.It Ic list
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Provide a list of installed kernel versions.
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.It Ic rm
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Remove kernels.
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Must be followed by either a version number or the literal
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.Sq Ic all .
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and
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.Xr xbps-remove 1 .
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.Nm
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runs the appropriate removal hooks and deletes the kernel,
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modules and other miscellaneous files.
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.Pp
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.Nm
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only removes kernel versions that are:
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.Bl -bullet -compact
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.It
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not currently booted.
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.It
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not provided by any installed xbps package.
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.El
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.Pp
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The
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.Ar version
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arguments support
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.Xr sh 1
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pattern matching.
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.Pp
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The following commands are available:
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.Bl -tag -width 4n
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.It Ic list Op Ar version
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List removable kernel versions.
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Optionally list only versions matching
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.Ar version .
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.It Ic rm all
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Remove all removable kernel versions.
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.It Ic rm Ar version ...
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Remove all removable kernel versions matching
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.Ar version .
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.El
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.Sh EXIT STATUS
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.Nm
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exits with a 0 code unless the help text was printed.
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Since there is no proper invocation to trigger a print of the help,
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this can be summarized: if there was a proper invocation of
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.Nm
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then the command will exit 0.
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Otherwise, the exit code is 1.
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.Ex -std
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.Sh EXAMPLES
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The following will list all installed kernels.
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The following command lists installed kernels matching a pattern.
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.Bd -literal -offset indent
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$ vkpurge list
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$ vkpurge list '4.18.*'
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.Ed
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.Pp
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The following command will delete the kernel version 2.6.39_2 with all
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kernel-specific files such as compiled modules.
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The following command will delete the kernel versions matching the pattern and a specified version.
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.Bd -literal -offset indent
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# vkpurge rm 2.6.39_2
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.Ed
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.Pp
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The following command will delete the kernels with version 2.6.39_2 and 4.3.4_1
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.Bd -literal -offset indent
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# vkpurge rm 2.6.39_2 4.3.4_1
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# vkpurge rm '2.6.*' 4.3.4_1
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.Ed
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.Sh SEE ALSO
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.Xr xbps-install 1 ,
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@ -1,7 +1,7 @@
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# Template file for 'base-files'
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pkgname=base-files
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version=0.140
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revision=3
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revision=4
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bootstrap=yes
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depends="xbps-triggers"
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short_desc="Void Linux base system files"
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