linux-zen-desktop/scripts/prune-kernel

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#!/bin/bash
# SPDX-License-Identifier: GPL-2.0
# because I use CONFIG_LOCALVERSION_AUTO, not the same version again and
# again, /boot and /lib/modules/ eventually fill up.
# Dumb script to purge that stuff:
for f in "$@"
do
if rpm -qf "/lib/modules/$f" >/dev/null; then
echo "keeping $f (installed from rpm)"
elif [ $(uname -r) = "$f" ]; then
echo "keeping $f (running kernel) "
else
echo "removing $f"
rm -f "/boot/initramfs-$f.img" "/boot/System.map-$f"
rm -f "/boot/vmlinuz-$f" "/boot/config-$f"
rm -rf "/lib/modules/$f"
if [ -x "$(command -v new-kernel-pkg)" ]; then
new-kernel-pkg --remove $f
elif [ -x "$(command -v kernel-install)" ]; then
kernel-install remove $f
fi
fi
done