Attachment 13491 Details for Bug 24403 – Same as previous as text

Same as previous as text

remove-old-kernels-0.99.1_7.1 (text/plain), 13.06 KB, created by Barry Jackson on 2022-11-09 21:47:06 CET

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Creator: Barry Jackson

Created: 2022-11-09 21:47:06 CET

Size: 13.06 KB

patch

obsolete

>#!/usr/bin/bash
># Remove old kernels safely and cleanly using urpme.
>#
># LISTK contains the list of kernels to analyse
># The script keeps NBK most recent kernels
># (c) Pierre Jarillon - 2018-04-03 - 2021-11-27 - Tested on Mageia 5..8
># (c) Jean-Baptiste Biernacki 2021
># (c) Barry C Jackson 2022
># For package version: 0.99.1-6
>####################################
>#
># Do not edit the values below unless you know exactly what you are doing,
># You can pass parameters on the command line
># to over-ride these. See 'man remove-old-kernels'.
>NBK=3      # Default number of kernels to keep.
>DEBUG=0    # 1 for debug/test mode, urpme is simulated and not applied
>MODE="I"   # mode A)utomatic, I)nteractve (DO NOT CHANGE THIS)
>VISU=0     # If VISU=1, show commands which can be used
>QA=1
>USAGE=\
>"Usage: %s: [-a] [-A value] [-c] [-d|t] [-n value] [-N value] [-p] [-l] [-m] [-v] [-h|?]
>    -a = automatic, no questions. Interactive if not specified. (must be root)
>    -A value = y or n to allow automatic weekly removal of kernels (e.g. -Ay) (must be root)
>    -c = as automatic but also checks for CRON=y in the cfg file or exits (must be root)
>    -d or -t = Debug or test mode, nothing is removed, urpme is simulated
>    -n value = number of kernels to keep this time only. (-n5 or -n 5 keep 5 kernels), Min=2, Default=3
>    -N value = number of kernels to keep. This changes the config file setting. (e.g. -N 5)
>    -p = show the urpme commands which would be used
>    -l = list the last 100 lines of the log
>    -m = no colours in screen output
>    -v = version
>    -? or -h = show this help.
>Old kernels are removed safely and cleanly using urpme.\n
>"
># Colors
>Normal="\e[0m"
>Green="\e[92m"         # Light Green
>Red="\e[91m"           # Light Red
>Orange="\e[33m"
>GrBg="\e[102;30m"      # Light Green Background
>RdBg="\e[101m"         # Light Red Background
>ClearLine="\r\e[2K"    # Clear the line
>
>LISTK=\
>"kernel-desktop586
>kernel-desktop
>kernel-desktop-devel
>kernel-server
>kernel-server-devel
>kernel-source
>kernel-tmb-desktop
>kernel-tmb-desktop-devel
>kernel-tmb-source
>kernel-linus
>kernel-linus-devel
>kernel-linus-source
>"
>
># Source cfg file if it exists, or issue warning and abort. 
>. /etc/remove-old-kernels.cfg || { echo -e "${Red}FATAL: Failed to read /etc/remove-old-kernels.cfg"; exit 1; }
>
># Check for CRON variable in config or add default. (Some users may have early version without this feature)
>if ! grep -q -e "CRON=" /etc/remove-old-kernels.cfg; then
>   echo -e "\n# This allows cron to run 'remove-old-kernels'. Replace 'y' with 'n' (lower case) to disable it.\nCRON=y" >> /etc/remove-old-kernels.cfg
>fi
>
># Check dnf limit before option parsing
>dnfNBK=0; dnfmsg=false
>[[ -f /etc/dnf/dnf.conf ]] && dnfNBK=$(cat /etc/dnf/dnf.conf|grep "installonly_limit="|cut -d= -f2)
>
># Parse arguments from command line which take precedence over script and cfg file
>if [[ ${#} -gt 0 ]] ; then
>    while getopts aA:cdtplmvn:N:?h NAME ; do
>        case ${NAME} in
>            a) MODE="A"
>               ;;
>            A) CRONN=${OPTARG} && [[ ${#CRONN} = 1 ]] && [[ "yn" =~ "$CRONN" ]] && \
>               [[ $UID -eq 0 ]] && sed -i "s/CRON=.*/CRON=$CRONN/" /etc/remove-old-kernels.cfg && \
>               CRON=$CRONN
>               ;;
>            c) MODE="A" && [[ ${#CRON} -gt 0 ]] && [[ "$CRON" == "y" ]] || exit 0
>               ;;
>          d|t) DEBUG=1 # why two options here?
>               ;;
>            p) VISU=1
>               ;;
>            n) [[ ${OPTARG} =~ ^[0-9]+$ ]] && NBK=${OPTARG}
>               ;;
>            N) NBKN=${OPTARG}
>                if [[ $NBKN =~ ^[0-9]+$ ]] && [[ $NBKN -ge $dnfNBK ]]; then
>                    if [[ $UID -eq 0 ]]; then
>                        sed -i "s/NBK=.*/NBK=$NBKN/" /etc/remove-old-kernels.cfg && NBK=$NBKN
>                    else
>                        echo -e "${Red}Must be root to edit config${Normal}" && { echo -e "\nHit spacebar\n"; read -n1; echo -en "${ClearLine}"; }
>                    fi
>                else
>                   dnfmsg=true
>                fi
>               ;;
>            l) tail -n1000 /var/log/remove-old-kernels.log && { echo -e "\nHit spacebar\n"; read -n1; echo -en "${ClearLine}"; }
>               ;;
>            m) Normal="";Red="";Green="";Orange="";GrBg="";RdBg="";Clearline=""
>               ;;
>            v) printf "$(rpm -q remove-old-kernels)\n"
>               exit 2 
>               ;;
>          ?|h) printf "${USAGE}"  ${0}
>               exit 2
>               ;;
>        esac
>    done
>    if (( NBK < 2 )); then
>        NBK=2    # Unsafe if less
>    fi
>fi
>
># Only use greeting in interactive mode
>if [[ $MODE == "I" ]]; then
>clear
>echo -e "                    *** Welcome to 'remove-old-kernels' Interactive ***\n"
>fi
>
># Use dnf kernel 'number to keep' if installed
>if [[ $dnfNBK -gt $NBK ]] || $dnfmsg; then
>    NBK=$dnfNBK
>    echo -e "${Orange}INFO: Number to keep has been restricted to $dnfNBK, by the dnf 'installonly_limit' set in /etc/dnf/dnf.conf${Normal}" 
>fi
>
># Get info for status message
>if [[ "$CRON" == "y" ]]; then autostat="ON"; else autostat="${Normal}${RdBg}OFF${GrBg}"; fi
>
># Check that the running kernel is still installed: https://bugs.mageia.org/show_bug.cgi?id=31015
>[[ -e /lib/modules/$(uname -r) ]] || { echo -e "${Red}FATAL: Has the running kernel been uninstalled since last boot? - Aborting."; exit 1; }
>
># Get the full name of the current running kernel
>CURK=$(rpm -qf /lib/modules/$(uname -r))
>
># Storage for the list of kernels to remove
>TMPKTR=$(mktemp)
>
># Check storage usage on root partition
>OCCDISK1=$(df -B 1M -l --output=used / | tail -n1 | awk '{ print $1 }')
>
>#========================= Analyse /boot/ =============================
>
>NK=$(ls /boot/vmlinuz*.mga* | wc -l)
>
># In automatic mode exit immediately if kernels in boot <= number allowed to be removed
>   [[ $MODE = "A" ]] && [[ ${NK} -le ${NBK} ]] && exit 0
>
>#================================ Show status ==============================
>
>echo -e "${GrBg} System: $(cat /etc/mageia-release) | Kernels in /boot/: ${NK} | AUTO: $autostat | KEEP: $NBK ${Normal} "
>
>#================================= Analyse rpms =============================
># Get master list from rpm -qa --last
>#allkernels="$(rpm -qa |grep kernel-| sort -V)"
>allkernels=$(rpm -qa --last|grep "kernel-")
>
># Get the kernel version and release required by the installed virtualbox-flavour-latest
>get_vbox_kern() {
>if echo "$allkernels"|grep -q "virtualbox-${kernelType}-latest"; then
>     vb_latest_ver=$(echo "$allkernels"|grep "virtualbox-${kernelType}-latest"|cut -d- -f5-|rev|cut -d. -f2-|rev)
>else
>     qavkern=; return
>fi
>depkern=$(echo "$allkernels"|grep $vb_latest_ver|grep -v latest|grep virtualbox-kernel-[0-9])
>kern_ver=$(echo $depkern|cut -d- -f3-|cut -d- -f1) 
>kern_rel=$(echo $depkern|cut -d- -f5-|cut -d. -f1)
>[[ ${#kern_ver} > 0 ]] && [[ ${#kern_rel} > 0 ]] && qavkern="${kern_ver}-${kern_rel}"
>}
>
># # Get the kernel version and release required by the installed xtables-addons-flavour-latest
>get_xtables_kern() {
>if echo "$allkernels"|grep -q "xtables-addons-${kernelType}-latest"; then
>     xt_latest_ver=$(echo "$allkernels"|grep kernel-|grep "xtables-addons-kernel"|grep "latest"|cut -d- -f6-|rev|cut -d. -f2-|rev)
>else
>     qaxkern=; return
>fi
>depkern=$(echo "$allkernels"|grep $xt_latest_ver|grep xtables-addons-kernel-[0-9]|cut -d ' ' -f1)
>#echo "depkern = $depkern"
>kern_ver=$(echo $depkern|cut -d- -f4) 
>kern_rel=$(echo $depkern|cut -d- -f6 -|cut -d. -f1)
>[[ ${#kern_ver} > 0 ]] && [[ ${#kern_rel} > 0 ]] && qaxkern="${kern_ver}-${kern_rel}"
>}
>
># Exclude 'latest'
>rpmqaList=$(echo "$allkernels"|grep -v latest)
>
># Loop through kernel types in LISTK
>for kernelType in ${LISTK}; do
>    [[ $QA -eq 1 ]] && get_vbox_kern && get_xtables_kern
>    echo -ne "${ClearLine}"
>    echo -ne "\r ==> ${kernelType}"
>    export n=0;
>    installedKernelCounter=0;
># Scan through installed kernels to match with kernel type in LISTK
>    echo "$rpmqaList"|grep "${kernelType}-[0-9]"|while read installedKernel; do
># Increment installed kernel counter
>        installedKernelCounter=$((${installedKernelCounter} + 1))
>        #Return to the line if there exists at least one installedKernel of this kernelType
>        if [[ ${installedKernelCounter} -eq 1 ]] ; then echo "" ; fi
>        installedKernelPackage=$(echo ${installedKernel} | cut -d ' ' -f 1 )
>
>        if [[ $(echo ${installedKernel} | grep ${CURK} | wc -l ) -eq 1 ]] ; then
>            NOTA="In use now "  # current kernel
>            REMVBL=0            # not removable
>        elif [[ $QA -eq 1 ]] && [[ ${#qavkern} -gt 0 ]] && [[ $(echo ${installedKernel} | grep "$qavkern" | wc -l ) -eq 1 ]]; then
>            NOTA="(vbox)"       # Required by VBox
>            REMVBL=0            # not removable
>        elif [[ $QA -eq 1 ]] && [[ ${#qaxkern} -gt 0 ]] && [[ $(echo ${installedKernel} | grep "$qaxkern" | wc -l ) -eq 1 ]] ; then
>            NOTA="(xtab)"       # Required by xtables
>            REMVBL=0            # not removable
>        else
>            NOTA=""             # not currently used
>            REMVBL=1            # is removable
>        fi
>
>        if [[ ${installedKernelCounter} -gt $NBK ]] ; then
>            if [[ ${REMVBL} -ne 1 ]] ; then
>                echo -e "\r ${installedKernelCounter} : keep   : ${Green}${installedKernel} ${Normal}${NOTA}"
>            else
>                echo -e "\r ${installedKernelCounter} : remove : ${Red}${installedKernel} ${Normal}${NOTA}"
>                echo ${installedKernelPackage} >>${TMPKTR}
>            fi
>        else
>                echo -e "\r ${installedKernelCounter} : keep   : ${Green}${installedKernel} ${Normal}${NOTA}"
>        fi
>    done
>done
>
>echo -e "${ClearLine}"
>
>#================================= Mode of execution ===================
>
>nbt=$(cat ${TMPKTR} | wc -l)
>if [[ ${nbt} -ne 0 ]] ; then
>    if [[ $(id -u) -ne 0 ]] ; then
>      echo -e "${Red}Must be root to allow removal\n${Normal}"
>    fi
>    if [[ ${VISU} -eq 1 ]]; then
>        plural="s"; [[ ${nbt} -eq 1 ]] && plural=""
>        echo "Command${plural} that would be used:"
>        for f in $(tac ${TMPKTR}); do
>            echo "urpme ${f}"
>        done
>        echo -e "\nHit spacebar to exit"
>        read -n1
>        echo -en "${ClearLine}"
>        exit 0
>    fi
>
>    if [[ ${MODE} != "A" ]] ; then
>        if [[ ${DEBUG} -eq 1 ]] ; then
>            echo -e "\n${Green}>> Debug/test mode is on - kernels won't be removed <<${Normal}"
>        fi
>        plural="s"; [[ ${nbt} -eq 1 ]] && plural=""
>        read -p "Remove ${nbt} kernel${plural} ? y/N/i (i=confirm for each) " -n 1 response
>        if [[ -z ${response} ]] ; then response="n" ; fi
>            case ${response} in
>                [Yy])
>                    AUTO="--auto"
>                    ASK=0
>                    MODE="A"
>                    echo -e " \n"
>                    ;;
>                [Ii])
>                    AUTO="--auto"
>                    MODE="I"
>                    echo " interactive"
>                    ;;
>                *)
>                    echo -e "\nAborted\n"
>                    rm -f ${TMPKTR}
>                    exit 0
>                    ;;
>            esac
>    fi
>
>#================================= Execution ===========================
>
>    for installedKernelPackage in $(tac ${TMPKTR}) ; do
>        if [[ ${MODE} = "I" ]] ; then    # --- interactive mode ---
>            read -p "Remove ${installedKernelPackage} ? y/N/q  (q=quit/abort) " -n 1 response
>            echo -e " \n"
>            if [[ -z ${response} ]]; then
>                response="N"
>            fi
>                case ${response} in
>                    [Yy])
>                        if [[ ${DEBUG} -eq 1 ]] ; then
>                            echo -e "\n${Orange}DEBUG: Could execute: urpme ${AUTO} ${installedKernelPackage}${Normal}"
>                            nbt=$((${nbt} - 1))
>                        else
>                            urpme ${installedKernelPackage}
>                            nbt=$((${nbt} - 1))
>                        fi
>                        ;;
>                    [qQ])
>                        echo -e "\nAborted"
>                        rm -f ${TMPKTR};
>                        exit 0
>                        ;;
>                       *)
>                        echo " "
>                        ;;
>                esac
>        else             # --- automatic mode ---
>                if [[ ${DEBUG} -eq 1 ]] ; then
>                    echo -e "${Orange}DEBUG: Could execute: urpme ${AUTO} ${installedKernelPackage}${Normal}"
>                    nbt=$((${nbt} - 1))
>                else
>                    # echo "Auto execution"
>                    echo -ne 'y\n' | urpme ${AUTO} ${installedKernelPackage}
>                    nbt=$((${nbt} - 1))
>                fi
>        fi
>    done
>        NK=$(ls /boot/vmlinuz*.mga[0-9] | wc -l)
>        OCCDISK2=$(df -B 1M -l --output=used / | tail -n1 | awk '{ print $1 }')
>        echo -e "${GrBg} Gain : $((OCCDISK1 - OCCDISK2)) MB  -  Kernels in /boot/: ${NK} ${Normal}"
>fi
>
>[[ $MODE == "I" ]] && { echo -e "Hit spacebar to exit\n"; read -n1; echo -en "${ClearLine}"; }
>
>rm -f ${TMPKTR}
>
># Run again if some removable kernels are left
>[ $(id -u) -ne 0 ] && exit 0   # Normal user so exit
>[ ${MODE} != "I" ] &&  exit 0  # Auto so exit
>[ ${nbt} -gt 0 ] && ${0}       # Root user and interactive so run again if removable kernels left

#!/usr/bin/bash
# Remove old kernels safely and cleanly using urpme.
#
# LISTK contains the list of kernels to analyse
# The script keeps NBK most recent kernels
# (c) Pierre Jarillon - 2018-04-03 - 2021-11-27 - Tested on Mageia 5..8
# (c) Jean-Baptiste Biernacki 2021
# (c) Barry C Jackson 2022
# For package version: 0.99.1-6
####################################
#
# Do not edit the values below unless you know exactly what you are doing,
# You can pass parameters on the command line
# to over-ride these. See 'man remove-old-kernels'.
NBK=3      # Default number of kernels to keep.
DEBUG=0    # 1 for debug/test mode, urpme is simulated and not applied
MODE="I"   # mode A)utomatic, I)nteractve (DO NOT CHANGE THIS)
VISU=0     # If VISU=1, show commands which can be used
QA=1
USAGE=\
"Usage: %s: [-a] [-A value] [-c] [-d|t] [-n value] [-N value] [-p] [-l] [-m] [-v] [-h|?]
    -a = automatic, no questions. Interactive if not specified. (must be root)
    -A value = y or n to allow automatic weekly removal of kernels (e.g. -Ay) (must be root)
    -c = as automatic but also checks for CRON=y in the cfg file or exits (must be root)
    -d or -t = Debug or test mode, nothing is removed, urpme is simulated
    -n value = number of kernels to keep this time only. (-n5 or -n 5 keep 5 kernels), Min=2, Default=3
    -N value = number of kernels to keep. This changes the config file setting. (e.g. -N 5)
    -p = show the urpme commands which would be used
    -l = list the last 100 lines of the log
    -m = no colours in screen output
    -v = version
    -? or -h = show this help.
Old kernels are removed safely and cleanly using urpme.\n
"
# Colors
Normal="\e[0m"
Green="\e[92m"         # Light Green
Red="\e[91m"           # Light Red
Orange="\e[33m"
GrBg="\e[102;30m"      # Light Green Background
RdBg="\e[101m"         # Light Red Background
ClearLine="\r\e[2K"    # Clear the line

LISTK=\
"kernel-desktop586
kernel-desktop
kernel-desktop-devel
kernel-server
kernel-server-devel
kernel-source
kernel-tmb-desktop
kernel-tmb-desktop-devel
kernel-tmb-source
kernel-linus
kernel-linus-devel
kernel-linus-source
"

# Source cfg file if it exists, or issue warning and abort. 
. /etc/remove-old-kernels.cfg || { echo -e "${Red}FATAL: Failed to read /etc/remove-old-kernels.cfg"; exit 1; }

# Check for CRON variable in config or add default. (Some users may have early version without this feature)
if ! grep -q -e "CRON=" /etc/remove-old-kernels.cfg; then
   echo -e "\n# This allows cron to run 'remove-old-kernels'. Replace 'y' with 'n' (lower case) to disable it.\nCRON=y" >> /etc/remove-old-kernels.cfg
fi

# Check dnf limit before option parsing
dnfNBK=0; dnfmsg=false
[[ -f /etc/dnf/dnf.conf ]] && dnfNBK=$(cat /etc/dnf/dnf.conf|grep "installonly_limit="|cut -d= -f2)

# Parse arguments from command line which take precedence over script and cfg file
if [[ ${#} -gt 0 ]] ; then
    while getopts aA:cdtplmvn:N:?h NAME ; do
        case ${NAME} in
            a) MODE="A"
               ;;
            A) CRONN=${OPTARG} && [[ ${#CRONN} = 1 ]] && [[ "yn" =~ "$CRONN" ]] && \
               [[ $UID -eq 0 ]] && sed -i "s/CRON=.*/CRON=$CRONN/" /etc/remove-old-kernels.cfg && \
               CRON=$CRONN
               ;;
            c) MODE="A" && [[ ${#CRON} -gt 0 ]] && [[ "$CRON" == "y" ]] || exit 0
               ;;
          d|t) DEBUG=1 # why two options here?
               ;;
            p) VISU=1
               ;;
            n) [[ ${OPTARG} =~ ^[0-9]+$ ]] && NBK=${OPTARG}
               ;;
            N) NBKN=${OPTARG}
                if [[ $NBKN =~ ^[0-9]+$ ]] && [[ $NBKN -ge $dnfNBK ]]; then
                    if [[ $UID -eq 0 ]]; then
                        sed -i "s/NBK=.*/NBK=$NBKN/" /etc/remove-old-kernels.cfg && NBK=$NBKN
                    else
                        echo -e "${Red}Must be root to edit config${Normal}" && { echo -e "\nHit spacebar\n"; read -n1; echo -en "${ClearLine}"; }
                    fi
                else
                   dnfmsg=true
                fi
               ;;
            l) tail -n1000 /var/log/remove-old-kernels.log && { echo -e "\nHit spacebar\n"; read -n1; echo -en "${ClearLine}"; }
               ;;
            m) Normal="";Red="";Green="";Orange="";GrBg="";RdBg="";Clearline=""
               ;;
            v) printf "$(rpm -q remove-old-kernels)\n"
               exit 2 
               ;;
          ?|h) printf "${USAGE}"  ${0}
               exit 2
               ;;
        esac
    done
    if (( NBK < 2 )); then
        NBK=2    # Unsafe if less
    fi
fi

# Only use greeting in interactive mode
if [[ $MODE == "I" ]]; then
clear
echo -e "                    *** Welcome to 'remove-old-kernels' Interactive ***\n"
fi

# Use dnf kernel 'number to keep' if installed
if [[ $dnfNBK -gt $NBK ]] || $dnfmsg; then
    NBK=$dnfNBK
    echo -e "${Orange}INFO: Number to keep has been restricted to $dnfNBK, by the dnf 'installonly_limit' set in /etc/dnf/dnf.conf${Normal}" 
fi

# Get info for status message
if [[ "$CRON" == "y" ]]; then autostat="ON"; else autostat="${Normal}${RdBg}OFF${GrBg}"; fi

# Check that the running kernel is still installed: https://bugs.mageia.org/show_bug.cgi?id=31015
[[ -e /lib/modules/$(uname -r) ]] || { echo -e "${Red}FATAL: Has the running kernel been uninstalled since last boot? - Aborting."; exit 1; }

# Get the full name of the current running kernel
CURK=$(rpm -qf /lib/modules/$(uname -r))

# Storage for the list of kernels to remove
TMPKTR=$(mktemp)

# Check storage usage on root partition
OCCDISK1=$(df -B 1M -l --output=used / | tail -n1 | awk '{ print $1 }')

#========================= Analyse /boot/ =============================

NK=$(ls /boot/vmlinuz*.mga* | wc -l)

# In automatic mode exit immediately if kernels in boot <= number allowed to be removed
   [[ $MODE = "A" ]] && [[ ${NK} -le ${NBK} ]] && exit 0

#================================ Show status ==============================

echo -e "${GrBg} System: $(cat /etc/mageia-release) | Kernels in /boot/: ${NK} | AUTO: $autostat | KEEP: $NBK ${Normal} "

#================================= Analyse rpms =============================
# Get master list from rpm -qa --last
#allkernels="$(rpm -qa |grep kernel-| sort -V)"
allkernels=$(rpm -qa --last|grep "kernel-")

# Get the kernel version and release required by the installed virtualbox-flavour-latest
get_vbox_kern() {
if echo "$allkernels"|grep -q "virtualbox-${kernelType}-latest"; then
     vb_latest_ver=$(echo "$allkernels"|grep "virtualbox-${kernelType}-latest"|cut -d- -f5-|rev|cut -d. -f2-|rev)
else
     qavkern=; return
fi
depkern=$(echo "$allkernels"|grep $vb_latest_ver|grep -v latest|grep virtualbox-kernel-[0-9])
kern_ver=$(echo $depkern|cut -d- -f3-|cut -d- -f1) 
kern_rel=$(echo $depkern|cut -d- -f5-|cut -d. -f1)
[[ ${#kern_ver} > 0 ]] && [[ ${#kern_rel} > 0 ]] && qavkern="${kern_ver}-${kern_rel}"
}

# # Get the kernel version and release required by the installed xtables-addons-flavour-latest
get_xtables_kern() {
if echo "$allkernels"|grep -q "xtables-addons-${kernelType}-latest"; then
     xt_latest_ver=$(echo "$allkernels"|grep kernel-|grep "xtables-addons-kernel"|grep "latest"|cut -d- -f6-|rev|cut -d. -f2-|rev)
else
     qaxkern=; return
fi
depkern=$(echo "$allkernels"|grep $xt_latest_ver|grep xtables-addons-kernel-[0-9]|cut -d ' ' -f1)
#echo "depkern = $depkern"
kern_ver=$(echo $depkern|cut -d- -f4) 
kern_rel=$(echo $depkern|cut -d- -f6 -|cut -d. -f1)
[[ ${#kern_ver} > 0 ]] && [[ ${#kern_rel} > 0 ]] && qaxkern="${kern_ver}-${kern_rel}"
}

# Exclude 'latest'
rpmqaList=$(echo "$allkernels"|grep -v latest)

# Loop through kernel types in LISTK
for kernelType in ${LISTK}; do
    [[ $QA -eq 1 ]] && get_vbox_kern && get_xtables_kern
    echo -ne "${ClearLine}"
    echo -ne "\r ==> ${kernelType}"
    export n=0;
    installedKernelCounter=0;
# Scan through installed kernels to match with kernel type in LISTK
    echo "$rpmqaList"|grep "${kernelType}-[0-9]"|while read installedKernel; do
# Increment installed kernel counter
        installedKernelCounter=$((${installedKernelCounter} + 1))
        #Return to the line if there exists at least one installedKernel of this kernelType
        if [[ ${installedKernelCounter} -eq 1 ]] ; then echo "" ; fi
        installedKernelPackage=$(echo ${installedKernel} | cut -d ' ' -f 1 )

        if [[ $(echo ${installedKernel} | grep ${CURK} | wc -l ) -eq 1 ]] ; then
            NOTA="In use now "  # current kernel
            REMVBL=0            # not removable
        elif [[ $QA -eq 1 ]] && [[ ${#qavkern} -gt 0 ]] && [[ $(echo ${installedKernel} | grep "$qavkern" | wc -l ) -eq 1 ]]; then
            NOTA="(vbox)"       # Required by VBox
            REMVBL=0            # not removable
        elif [[ $QA -eq 1 ]] && [[ ${#qaxkern} -gt 0 ]] && [[ $(echo ${installedKernel} | grep "$qaxkern" | wc -l ) -eq 1 ]] ; then
            NOTA="(xtab)"       # Required by xtables
            REMVBL=0            # not removable
        else
            NOTA=""             # not currently used
            REMVBL=1            # is removable
        fi

        if [[ ${installedKernelCounter} -gt $NBK ]] ; then
            if [[ ${REMVBL} -ne 1 ]] ; then
                echo -e "\r ${installedKernelCounter} : keep   : ${Green}${installedKernel} ${Normal}${NOTA}"
            else
                echo -e "\r ${installedKernelCounter} : remove : ${Red}${installedKernel} ${Normal}${NOTA}"
                echo ${installedKernelPackage} >>${TMPKTR}
            fi
        else
                echo -e "\r ${installedKernelCounter} : keep   : ${Green}${installedKernel} ${Normal}${NOTA}"
        fi
    done
done

echo -e "${ClearLine}"

#================================= Mode of execution ===================

nbt=$(cat ${TMPKTR} | wc -l)
if [[ ${nbt} -ne 0 ]] ; then
    if [[ $(id -u) -ne 0 ]] ; then
      echo -e "${Red}Must be root to allow removal\n${Normal}"
    fi
    if [[ ${VISU} -eq 1 ]]; then
        plural="s"; [[ ${nbt} -eq 1 ]] && plural=""
        echo "Command${plural} that would be used:"
        for f in $(tac ${TMPKTR}); do
            echo "urpme ${f}"
        done
        echo -e "\nHit spacebar to exit"
        read -n1
        echo -en "${ClearLine}"
        exit 0
    fi

    if [[ ${MODE} != "A" ]] ; then
        if [[ ${DEBUG} -eq 1 ]] ; then
            echo -e "\n${Green}>> Debug/test mode is on - kernels won't be removed <<${Normal}"
        fi
        plural="s"; [[ ${nbt} -eq 1 ]] && plural=""
        read -p "Remove ${nbt} kernel${plural} ? y/N/i (i=confirm for each) " -n 1 response
        if [[ -z ${response} ]] ; then response="n" ; fi
            case ${response} in
                [Yy])
                    AUTO="--auto"
                    ASK=0
                    MODE="A"
                    echo -e " \n"
                    ;;
                [Ii])
                    AUTO="--auto"
                    MODE="I"
                    echo " interactive"
                    ;;
                *)
                    echo -e "\nAborted\n"
                    rm -f ${TMPKTR}
                    exit 0
                    ;;
            esac
    fi

#================================= Execution ===========================

    for installedKernelPackage in $(tac ${TMPKTR}) ; do
        if [[ ${MODE} = "I" ]] ; then    # --- interactive mode ---
            read -p "Remove ${installedKernelPackage} ? y/N/q  (q=quit/abort) " -n 1 response
            echo -e " \n"
            if [[ -z ${response} ]]; then
                response="N"
            fi
                case ${response} in
                    [Yy])
                        if [[ ${DEBUG} -eq 1 ]] ; then
                            echo -e "\n${Orange}DEBUG: Could execute: urpme ${AUTO} ${installedKernelPackage}${Normal}"
                            nbt=$((${nbt} - 1))
                        else
                            urpme ${installedKernelPackage}
                            nbt=$((${nbt} - 1))
                        fi
                        ;;
                    [qQ])
                        echo -e "\nAborted"
                        rm -f ${TMPKTR};
                        exit 0
                        ;;
                       *)
                        echo " "
                        ;;
                esac
        else             # --- automatic mode ---
                if [[ ${DEBUG} -eq 1 ]] ; then
                    echo -e "${Orange}DEBUG: Could execute: urpme ${AUTO} ${installedKernelPackage}${Normal}"
                    nbt=$((${nbt} - 1))
                else
                    # echo "Auto execution"
                    echo -ne 'y\n' | urpme ${AUTO} ${installedKernelPackage}
                    nbt=$((${nbt} - 1))
                fi
        fi
    done
        NK=$(ls /boot/vmlinuz*.mga[0-9] | wc -l)
        OCCDISK2=$(df -B 1M -l --output=used / | tail -n1 | awk '{ print $1 }')
        echo -e "${GrBg} Gain : $((OCCDISK1 - OCCDISK2)) MB  -  Kernels in /boot/: ${NK} ${Normal}"
fi

[[ $MODE == "I" ]] && { echo -e "Hit spacebar to exit\n"; read -n1; echo -en "${ClearLine}"; }

rm -f ${TMPKTR}

# Run again if some removable kernels are left
[ $(id -u) -ne 0 ] && exit 0   # Normal user so exit
[ ${MODE} != "I" ] &&  exit 0  # Auto so exit
[ ${nbt} -gt 0 ] && ${0}       # Root user and interactive so run again if removable kernels left

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Attachments on bug 24403: 10776 | 10860 | 12482 | 13031 | 13107 | 13236 | 13403 | 13467 | 13489 | 13490 | 13491 | 13505