On 18:03 Mon 04 Nov 2019, Randy Dunlap wrote:
On 11/1/19 11:30 PM, Bhaskar Chowdhury wrote: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(-)Hi, I believe that this script now does what the patch author intends it to do. It does have a few whitespace issues, but no big deals. (see below) Tested-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>
Thank you Randy..
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"space after ':' drop one \n above.
Will do.
+ 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"space after ':' drop one \n above.
Will do.
+ else + exit 1 + fi + fi + ;; + -h | --help) + usage + exit 0 + ;; + -r | --remove) + if [[ $# -ne 3 ]]; then + printf "You need to provide kernel version and modules directory name.\n" + exit 1 + else + remove_old_kernel + remove_old_modules_dir + fi + ;; + *) + usage + exit 1 + ;; +esac -# because I use CONFIG_LOCALVERSION_AUTO, not the same version again and -# again, /boot and /lib/modules/ eventually fill up. -# Dumb script to purge that stuff:OK, the former script's loop is removed.. good. But the 2 preceding blank lines are not removed, so the script now ends with 2 unnecessary blank lines.
Will do.
-for f in "$@" -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 ---- ~Randy
Bhaskar
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