From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pg1-f196.google.com ([209.85.215.196]:44557 "EHLO mail-pg1-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727350AbfJ2DBC (ORCPT ); Mon, 28 Oct 2019 23:01:02 -0400 From: Bhaskar Chowdhury Subject: [PATCH] scripts:prune-kernel:prune kernel and modules dir from the system Date: Tue, 29 Oct 2019 08:30:30 +0530 Message-Id: <20191029030030.31659-1-unixbhaskar@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kbuild-owner@vger.kernel.org List-ID: To: rdunlap@infradead.org, bfields@fieldses.org Cc: yamada.masahiro@socionext.com, michal.lkml@markovi.net, linux-kbuild@vger.kernel.org, linux-kernel@vger.kernel.org, Bhaskar Chowdhury This patch will remove old kernel and modules directory from the system interactive way and also at once ,provied the parameter given to the invoking script. Signed-off-by: Bhaskar Chowdhury --- scripts/prune-kernel | 58 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 58 insertions(+) diff --git a/scripts/prune-kernel b/scripts/prune-kernel index 58a7650ce592..a6c990450ddc 100755 --- a/scripts/prune-kernel +++ b/scripts/prune-kernel @@ -1,2 +1,60 @@ #!/bin/bash # SPDX-License-Identifier: GPL-2.0 +#This script will delete old kernels and modules directory related to it,both +#automated and interactive way, if you choose -i or --interactive as parameter. +#For normal operation you have to invoke this script like below +#prune-kernel -r kernel_ver modules_dir_name +flag=$1 +kernel_ver=$2 +modules_dir_name=$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 $0) [-ri] \n" + printf "\n -r | --remove kernel_ver modules_dir_name \n" + printf "\n -i | --interactive use as interactive way \n" +} + +while getopts :hir opt;do + case "$flag" in + -i | --interactive) + printf "\nEnter kernel version to remove or blank/empty to exit:%s" + read kernel_version + if [[ $kernel_version != "" ]]; then + remove_old_kernel + printf "Please give the full modules directory name to remove:%s" + read modules_version + remove_old_modules_dir + printf "\n\n\n Removed kernel version:$kernel_version and associated modules directory:$modules_version ..Done.\n" + else + exit 1 + fi + ;; + -h | --help) + usage + exit 1 + ;; + -r | --remove) + shift $(( OPTIND -1 )) + cd $boot_dir + rm -f $kernel_ver + cd $modules_dir + rm -rf $modules_dir_name + printf "Removed kernel version:$kernel_ver and modules directory:$modules_dir_name from the system. \n\n" + exit 0 + ;; + esac +done -- 2.23.0