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#!/bin/bash -e
package=0
while read -r line; do
if [[ $line != */vmlinuz ]]; then
# triggers when it's a change to usr/lib/initcpio/*
package=1
continue
fi
if ! read -r pkgbase > /dev/null 2>&1 < "${line%/vmlinuz}/pkgbase"; then
# if the kernel has no pkgbase, we skip it
continue
fi
# remove the actual kernel and images for the package being removed
kernel="/boot/vmlinuz-${pkgbase}"
preset="/etc/mkinitcpio.d/${pkgbase}.preset"
initramfs="/boot/initramfs-${pkgbase}.img"
fallback_initramfs="/boot/initramfs-${pkgbase}-fallback.img"
if [[ -e $kernel ]]; then
# remove the installed kernel
rm $kernel
fi
if [[ -e $preset ]]; then
# remove the preset
rm $preset
fi
if [[ -e $initramfs && -e $fallback_initramfs ]]; then
# remove the images
rm $initramfs $fallback_initramfs
fi
done
if (( package )) && compgen -G /etc/mkinitcpio.d/"*.preset" > /dev/null; then
# remove all presets
rm /etc/mkinitcpio.d/*.preset
fi
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