1 | #!/bin/sh
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2 | #
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3 | #
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4 | #
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5 | #
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6 | #
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7 | # 2003/08/04
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8 | # - added some logging
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9 | #
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10 | # mid-2002 --- created
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11 | ################################################
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12 |
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13 |
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14 | LogIt() {
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15 | echo "$1" >> /dev/stderr
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16 | }
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17 |
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18 |
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19 |
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20 |
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21 | AddFancyParams() {
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22 | local incoming device mountpoint format size original_fstab_line
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23 | # echo "AddFancyParams '$1'" >> /dev/stderr
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24 | incoming=`echo "$1" | tr -s '\t' ' '`
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25 | [ "$incoming" = "" ] && return
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26 | device=`echo "$incoming" | cut -d' ' -f1`
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27 | [ "`echo "$device" | grep "/dev/"`" = "" ] && return
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28 | mountpoint=`echo "$incoming" | cut -d' ' -f2`
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29 | format=`echo "$incoming" | cut -d' ' -f3`
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30 | size=`echo "$incoming" | cut -d' ' -f4`
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31 | # echo "'$device' '$mountpoint' '$format' '$size'" > /dev/stderr
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32 | original_fstab_line=`grep " $mountpoint " $old_fstab | grep -v "#" | tr -s ' ' ' '`
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33 | # echo "original_fstab_line = $original_fstab_line" >> /dev/stderr
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34 | if [ "`grep "LABEL=" $old_fstab`" != "" ] ; then
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35 | if [ "$format" = "ext2" ] || [ "$format" = "ext3" ] ; then
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36 | device="LABEL=$mountpoint"
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37 | fi
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38 | fi
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39 |
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40 | # LogIt "my_res = $my_res"
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41 |
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42 | echo -e -n "$device $mountpoint $format "
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43 |
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44 | if [ "$original_fstab_line" != "" ] ; then
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45 | # echo $original_fstab_line | gawk '{i=index($0,$4); print substr($0,i);}'
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46 | echo "$original_fstab_line" | cut -d' ' -f4-19 | tr -s ' ' ' '
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47 | else
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48 | echo -e "defaults 0 0"
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49 | fi
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50 | }
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51 |
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52 |
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53 |
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54 | ProcessFstab() {
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55 | local incoming dev mountlist_entry blanklines new_i
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56 | read incoming
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57 | blanklines=0
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58 | while [ "$blanklines" -lt "5" ] ; do
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59 | if [ "$incoming" = "" ] ; then
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60 | blanklines=$(($blanklines+1))
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61 | read incoming
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62 | continue
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63 | fi
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64 | incoming=`echo "$incoming" | tr -s '\t' ' '`
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65 | # new_i=`HackIncomingIfLABELused "$incoming"`
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66 | # if [ ! "$new_i" ] ; then
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67 | if [ "`echo "$incoming" | grep -v "LABEL="`" ] ; then
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68 | dev=`echo "$incoming" | cut -d' ' -f1`
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69 | # echo "OK, $dev isn't a label" >> /dev/stderr
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70 | mountlist_entry=`grep "$dev " $old_mountlist`
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71 | # echo "MLE($dev) = '$mountlist_entry'" >> /dev/stderr
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72 | if [ "$mountlist_entry" = "" ] ; then
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73 | # echo "(PF) '$incoming'" >> /dev/stderr
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74 | echo "$incoming"
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75 | fi
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76 | # else
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77 | # echo "Skipping '$incoming'" >> /dev/stderr
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78 | fi
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79 | read incoming
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80 | done
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81 | }
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82 |
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83 |
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84 | HackIncomingIfLABELused() {
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85 | local incoming col1 col2 col_rest orig out result
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86 | result=""
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87 | incoming=`echo "$1" | tr -s '\t' ' '`
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88 | col1=`echo "$incoming" | cut -f1`
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89 | col2=`echo "$incoming" | cut -f2`
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90 | col_rest=`echo "$incoming" | cut -f3-19 | tr -s ' ' ' '`
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91 | orig="`grep " $col2 " $old_fstab | cut -f1`"
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92 | if [ "`echo "$orig" | grep "LABEL="`" != "" ] ; then
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93 | echo "orig = $orig" >> /dev/stderr
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94 | echo -e "$orig $col2 $col_rest | tr -s ' ' ' '"
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95 | fi
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96 | }
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97 |
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98 |
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99 | #HackIncomingIfLABELused "LABEL=/ / ext2 defaults 0,0,0"
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100 | #exit 0
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101 |
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102 |
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103 |
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104 | ProcessMountlist() {
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105 | local incoming outstr res spc
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106 | read incoming
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107 | while [ "$incoming" != "" ] ; do
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108 | incoming=`echo "$incoming" | tr -s '\t' ' '`
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109 | # echo "(PM) incoming = '$incoming'" >> /dev/stderr
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110 | res=`HackIncomingIfLABELused "$incoming"`
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111 | if [ ! "$res" ] ; then
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112 | outstr=`AddFancyParams "$incoming"`
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113 | else
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114 | outstr=`AddFancyParams "$res"`
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115 | fi
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116 | spc="`echo "$outstr" | tr -s '\t' ' '`"
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117 | if [ "$spc" != "" ] && [ "$spc" != " " ] && [ "`echo "$spc" | grep "raid raid"`" = "" ] ; then
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118 | echo "$spc"
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119 | # echo "(PM) outgoing = '$outstr'" >> /dev/stderr
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120 | fi
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121 | read incoming
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122 | done
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123 | }
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124 |
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125 | # ----------------- main ---------------
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126 |
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127 | LogIt "hack-fstab --- starting"
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128 |
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129 | if [ "$#" -ne "4" ] ; then
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130 | LogIt "hack-fstab <old mountlist> <old fstab> <new mountlist> <new fstab>" 1
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131 | LogIt "NB: the new fstab file is outgoing; all other files are incoming." 1
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132 | exit 1
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133 | fi
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134 |
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135 | LogIt "hack-fstab '$1' '$2' '$3' '$4'"
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136 |
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137 | old_mountlist=$1
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138 | old_fstab=$2
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139 | new_mountlist=$3
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140 | outfile=$4
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141 |
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142 | > $outfile
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143 | LogIt "Processing mountlist"
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144 | ProcessMountlist < $new_mountlist >> $outfile
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145 | LogIt "Processing fstab"
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146 | ProcessFstab < $old_fstab >> $outfile
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147 | if [ ! -e "$outfile.old" ] ; then
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148 | LogIt "Moving $outfile to $outfile.old" 1
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149 | mv $outfile $outfile.old
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150 | else
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151 | LogIt "$outfile.old exists already - assuming it _is_ the old one & using it" 1
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152 | fi
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153 | cat $outfile.old | tr -s ' ' ' ' \
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154 | | gawk '{printf "%-15s %-18s %-10s ",$1,$2,$3; for(i=4;i<=NF;i++) {printf "%s ",$i;};print "";};' \
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155 | | sort -u > $outfile
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156 |
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157 | LogIt "Finished writing to outfile ($outfile)"
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158 | LogIt "hack-fstab --- leaving"
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159 | exit 0
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