From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pf1-f195.google.com ([209.85.210.195]:33919 "EHLO mail-pf1-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729881AbfKAIGQ (ORCPT ); Fri, 1 Nov 2019 04:06:16 -0400 From: Bhaskar Chowdhury Subject: [PATCH] scripts:prune-kernel:Removed old kernels and modules dir from system Date: Fri, 1 Nov 2019 13:35:10 +0530 Message-Id: <20191101080510.26247-1-unixbhaskar@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kbuild-owner@vger.kernel.org List-ID: To: rdunlap@infradead.org Cc: bfields@fieldses.org, yamada.masahiro@socionext.com, michal.lkml@markovi.net, linux-kbuild@vger.kernel.org, linux-kernel@vger.kernel.org, Bhaskar Chowdhury 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 --- 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