slackware-current/source/a/mkinitrd/remove-orphaned-initrds
Patrick J Volkerding c20bd58353 Fri Oct 25 18:13:16 UTC 2024
a/mkinitrd-1.4.11-x86_64-40.txz:  Rebuilt.
  remove-orphaned-initrds: also remove dangling initrd symlinks.
l/glib2-2.82.2-x86_64-2.txz:  Rebuilt.
  Removed useless symlinks. Thanks to marav.
l/mozilla-nss-3.106-x86_64-1.txz:  Upgraded.
x/xterm-395-x86_64-1.txz:  Upgraded.
2024-10-26 17:35:55 +02:00

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#!/bin/bash
# Copyright 2024 Patrick J. Volkerding, Sebeka, Minnesota, USA
# All rights reserved.
#
# Redistribution and use of this script, with or without modification, is
# permitted provided that the following conditions are met:
#
# 1. Redistributions of this script must retain the above copyright
# notice, this list of conditions and the following disclaimer.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
# WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
# EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
# OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
# OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
# This script removes initrds in the /boot directory if there's no kernel
# in /boot with the same version. This keeps unused initrds from accumulating
# and filling up the filesystem.
# Usage: Run without any options to clean up initrd orphans:
#
# ./remove-orphaned-initrds
#
# To see what would be removed without actually removing anything:
#
# ./remove-orphaned-initrds --dry-run
#
# This script is suitable to run as a periodic cron job (perhaps weekly).
ORPHANS_FOUND=false
cd /boot
for initrd in initrd-*-*.img ; do
if [ ! -r $initrd ]; then
continue
fi
INITRD_VERSION="$(echo $initrd | cut -f 2 -d -)"
if ! /bin/ls vmlinuz-* | grep -q -- "-${INITRD_VERSION}-" ; then
ORPHANS_FOUND=true
if [ "$1" = "--dry-run" ]; then
echo "Would remove: $initrd"
else
echo "Removing: $initrd"
rm -f $initrd
fi
fi
done
if [ "$ORPHANS_FOUND" = "false" ]; then
echo "No orphaned initrds found in /boot."
fi
# Also handle initrd symlinks:
for dangling_symlink in $(find . -name "initrd-*.img" -xtype l) $(find . -name "initrd.gz" -xtype l) ; do
if [ "$1" = "--dry-run" ]; then
echo "Would remove: $dangling_symlink"
else
echo "Removing: $dangling_symlink"
rm -f $dangling_symlink
fi
done