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authorGiancarlo Razzolini <grazzolini@archlinux.org>2019-10-29 13:52:45 +0100
committerGiancarlo Razzolini <grazzolini@archlinux.org>2019-10-29 13:52:45 +0100
commit9b0dfc9fbed73c9a70fa9ad7aea58c3b4f47ad0c (patch)
treeb7acb55a6303cc46eb0e2da3233e2362bbc360e9 /libalpm/scripts/mkinitcpio-remove
parentd5e3f26dcdf623099c4f0fe5cceb72f34cebdc49 (diff)
downloadmkinitcpio-9b0dfc9fbed73c9a70fa9ad7aea58c3b4f47ad0c.tar.gz
mkinitcpio-9b0dfc9fbed73c9a70fa9ad7aea58c3b4f47ad0c.tar.xz
libalpm/scripts: Add a remove script
Add a remove script that cleans up kernels, images and presets upon kernel removals. It also handles mkinitcpio removal, by cleaning up presets.
Diffstat (limited to 'libalpm/scripts/mkinitcpio-remove')
-rw-r--r--libalpm/scripts/mkinitcpio-remove39
1 files changed, 39 insertions, 0 deletions
diff --git a/libalpm/scripts/mkinitcpio-remove b/libalpm/scripts/mkinitcpio-remove
new file mode 100644
index 0000000..dbce860
--- /dev/null
+++ b/libalpm/scripts/mkinitcpio-remove
@@ -0,0 +1,39 @@
+#!/bin/bash -x
+
+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