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annotate removeKernel @ 173:f8c9b13158b8

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create a default zshrc for the host
author Dirk Olmes <dirk.olmes@codedo.de>
date Sat, 04 Apr 2020 04:23:36 +0200
parents 4500455b2375
children 5da4de3d7ee1
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 #!/bin/bash
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2
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3 if [ `whoami` != "root" ]; then
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4 echo "$0 must be run as root!"
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5 exit 1
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6 fi
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7
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8 if [ $# -lt 3 ]; then
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9 echo "usage: $0 <major minor micro [revision], e.g. 2 6 21 r4>"
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10 exit 1
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11 fi
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12
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13 MAJOR=$1
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14 MINOR=$2
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15 MICRO=$3
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16 if [ $# -gt 3 ]; then
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17 REVISION=$4
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18 fi
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19 LOGFILE=/tmp/removeKernel-$$.log
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20
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21 # unmerge the kernel
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22 cd /usr/src
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23 KERNEL_DIR="linux-${MAJOR}.${MINOR}.${MICRO}-gentoo"
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24 if [ "$REVISION" != "" ]; then
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25 KERNEL_DIR="${KERNEL_DIR}-${REVISION}"
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26 fi
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27 if [ -d $KERNEL_DIR ]; then
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28 KERNEL_NAME=gentoo-sources-${MAJOR}.${MINOR}.${MICRO}
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29 if [ "${REVISION}" != "" ]; then
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30 KERNEL_NAME="${KERNEL_NAME}-${REVISION}"
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31 fi
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32
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33 echo "unmerge kernel $KERNEL_NAME" >> $LOGFILE 2>&1
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34 emerge --unmerge $KERNEL_NAME >> $LOGFILE 2>&1
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35
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36 echo "remove $KERNEL_DIR" >> $LOGFILE 2>&1
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37 rm -r $KERNEL_DIR >> $LOGFILE 2>&1
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38 fi
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39
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40 # remove modules
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41 cd /lib/modules
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42 LIB_DIR=${MAJOR}.${MINOR}.${MICRO}-gentoo
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43 if [ "$REVISION" != "" ]; then
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44 LIB_DIR="${LIB_DIR}-${REVISION}"
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45 fi
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46 if [ -d $LIB_DIR ]; then
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47 echo "remove modules from `pwd`/$LIB_DIR" >> $LOGFILE 2>&1
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48 rm -r $LIB_DIR >> $LOGFILE 2>&1
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49 fi
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50
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51 # remove the kernel and stuff, check if /boot is mounted first
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52 MOUNTED=`mount | grep /boot`
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53 if [ "$MOUNTED" = "" ]; then
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54 echo "mount /boot" >> $LOGFILE 2>&1
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55 mount /boot >> $LOGFILE 2>&1
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56 fi
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57
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58 cd /boot
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59
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60 ARCH=`uname -m`
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61 if [ "$ARCH" = "i686" ]; then
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62 ARCH="x86"
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63 fi
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64
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65 SUFFIX_V3="genkernel-${ARCH}-${MAJOR}.${MINOR}.${MICRO}"
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66 if [[ "${REVISION}" != "" ]]; then
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67 SUFFIX_V3="${SUFFIX_V3}-${REVISION}"
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68 fi
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69 SUFFIX_V3="${SUFFIX_V3}-gentoo"
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70
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71 SUFFIX_V4="${MAJOR}.${MINOR}.${MICRO}"
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72 if [ "${REVISION}" != "" ]; then
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73 SUFFIX_V4="${SUFFIX_V4}-${REVISION}"
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74 fi
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75 SUFFIX_V4="${SUFFIX_V4}-gentoo-${ARCH}"
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76
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77 SYSTEM_MAP="System.map-${SUFFIX_V3}"
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78 if [[ -f $SYSTEM_MAP ]]; then
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79 rm ${SYSTEM_MAP} >> $LOGFILE 2>&1
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80 fi
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81 SYSTEM_MAP="System.map-${SUFFIX_V4}"
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82 if [[ -f ${SYSTEM_MAP} ]]; then
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83 rm ${SYSTEM_MAP} >> $LOGFILE 2>&1
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84 fi
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85 if [[ -f ${SYSTEM_MAP}.old ]]; then
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86 rm ${SYSTEM_MAP}.old >> $LOGFILE 2>&1
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87 fi
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88
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89 INITRAMFS="initramfs-${SUFFIX_V3}"
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90 if [[ -f ${INITRAMFS} ]]; then
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91 rm ${INITRAMFS} >> $LOGFILE 2>&1
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92 fi
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93 INITRAMFS="initramfs-${SUFFIX_V4}"
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94 if [[ -f ${INITRAMFS} ]]; then
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95 rm ${INITRAMFS} >> $LOGFILE 2>&1
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96 fi
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97 if [[ -f ${INITRAMFS}.old ]]; then
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98 rm ${INITRAMFS}.old >> $LOGFILE 2>&1
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99 fi
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100
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101 KERNEL="kernel-${SUFFIX_V3}"
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102 if [[ -f $KERNEL ]]; then
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103 rm $KERNEL >> $LOGFILE 2>&1
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104 fi
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105 KERNEL="vmlinuz-${SUFFIX_V4}"
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106 if [[ -f $KERNEL ]]; then
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107 rm $KERNEL >> $LOGFILE 2>&1
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108 fi
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109 if [[ -f $KERNEL.old ]]; then
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110 rm $KERNEL.old >> $LOGFILE 2>&1
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111 fi
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112
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113 # if we got until here, just remove the logfile again
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114 rm $LOGFILE