This patch allow you to remove old kernels and associated modules
directory from the system.You can do it at once with the -r flag
and interactively with the -i flag.
Signed-off-by: Bhaskar Chowdhury <unixbhaskar@xxxxxxxxx>
---
scripts/prune-kernel | 82 +++++++++++++++++++++++++++++++++++---------
1 file changed, 65 insertions(+), 17 deletions(-)
diff --git a/scripts/prune-kernel b/scripts/prune-kernel
index e8aa940bc0a9..01d0778db71f 100755
--- a/scripts/prune-kernel
+++ b/scripts/prune-kernel
@@ -1,21 +1,69 @@
#!/bin/bash
# SPDX-License-Identifier: GPL-2.0
+#This script will remove old kernels and modules directory related to it.
+#"-r" or "--remove" show how to silently remove old kernel and modules dir.
+# "-h" or "--help" show how to use this script or show without parameter.
+#"-i" or "--interactive" show how to remove interactively.
+
+flag=$1
+kernel_version=$2
+modules_version=$3
+boot_dir=/boot
+modules_dir=/lib/modules
+
+remove_old_kernel() {
+ cd $boot_dir
+ rm -If vmlinuz-$kernel_version System.map-$kernel_version config-$kernel_version
+ return 0
+}
+
+remove_old_modules_dir() {
+ cd $modules_dir
+ rm -rf $modules_version
+ return 0
+}
+
+usage() {
+ printf "Usage: $(basename $0) [-ri]\n"
+ printf "\n -r or --remove kernel_version modules_version\n"
+ printf "\n -i or --interactive do as interactive way\n"
+ return 0
+}
+
+case "$flag" in
+ -i | --interactive)
+ printf "\nEnter kernel version to remove or blank/empty to exit:"
+ read kernel_version
+ if [[ $kernel_version != "" ]]; then
+ remove_old_kernel
+ printf "\nRemoved kernel version:$kernel_version from the system.\n\n"
+ printf "Please give the full modules directory name to remove:"
+ read modules_version
+ if [[ $modules_version != "" ]]; then
+ remove_old_modules_dir
+ printf "\n\nRemoved modules directory:$modules_version from the system.\n\n"
+ else
+ exit 1
+ fi
+ fi
+ ;;
+ -h | --help)
+ usage
+ exit 0
+ ;;
+ -r | --remove)
+ if [[ $# -ne 3 ]]; then
+ printf "You need to provide kernel version and modules directory name.\n"
+ exit 1
+ else
+ remove_old_kernel
+ remove_old_modules_dir
+ fi
+ ;;
+ *)
+ usage
+ exit 1
+ ;;
+esac
-# because I use CONFIG_LOCALVERSION_AUTO, not the same version again and
-# again, /boot and /lib/modules/ eventually fill up.
-# Dumb script to purge that stuff:
-for f in "$@"
-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"
- new-kernel-pkg --remove $f
- fi
-done
--
2.23.0
