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 | 63 ++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 63 insertions(+)
diff --git a/scripts/prune-kernel b/scripts/prune-kernel
index a25aa2160d47..373a845792e6 100755
--- a/scripts/prune-kernel
+++ b/scripts/prune-kernel
@@ -1,3 +1,66 @@
#!/bin/bash
# SPDX-License-Identifier: GPL-2.0
+#This script will remove old kernels and modules directory related to it.
+# "-h" or "--help" show how to use this script or show without parameter.
+#"-r" or "--remove" show how to silently remove old kernel and modules dir.
+#"-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:%s"
+ read kernel_version
+ if [[ $kernel_version != "" ]]; then
+ remove_old_kernel
+ printf "Please give the full modules directory name to remove:%s"
+ read modules_version
+ if [[ $modules_version != "" ]]; then
+ remove_old_modules_dir
+ printf "\n\nRemoved kernel version:$kernel_version and associated modules directory:$modules_version ...Done \n"
+ else
+ exit 1
+ fi
+ fi
+ ;;
+ -h | --help)
+ usage
+ exit 1
+ ;;
+ -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
--
2.23.0
