86 lines
1.7 KiB
Bash
86 lines
1.7 KiB
Bash
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#!/bin/bash
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config=$1
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target=$2
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debug="false"
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#we should be pretty strict about removing once used (even "used" [with fail]) config file, as it may corrupt another installation
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clean(){
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debug "cleanup: removing $config"
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rm -rf $config
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}
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debug(){
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if [ "x$debug" == "xtrue" ] ; then
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echo "$1"
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fi
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}
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if [ "x" == "x$config" ] ; then
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debug "no config file specified"
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exit 1
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fi
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if [ ! -f "$config" ] ; then
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debug "$config file do not exists"
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# expected case, when no migration happened
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exit 0
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fi
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if [ "x" == "x$target" ] ; then
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debug "no target dir specified"
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clean
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exit 2
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fi
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if [ ! -d "$target" ] ; then
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debug "$target is not directory"
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clean
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exit 22
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fi
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source=`cat $config`
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if [ "x" == "x$source" ] ; then
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debug "no information in $config"
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clean
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exit 3
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fi
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if [ ! -d "$source" ] ; then
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debug "$source from $config is not directory"
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clean
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exit 33
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fi
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debug "source: $source"
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srcName=`basename $source`
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targetName=`basename $target`
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files=`find $target | grep "\\.rpmnew$"`
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for file in $files ; do
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sf1=`echo $file | sed "s/\\.rpmnew$//"`
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sf2=`echo $sf1 | sed "s/$targetName/$srcName/"`
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# was file modified in origianl installation?
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rpm -Vf $source | grep -q $sf2
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if [ $? -gt 0 ] ; then
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debug "$sf2 was NOT modified, removing possibly corrupted $sf1 and renaming $file"
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rm $sf1
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mv $file $sf1
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if [ $? -eq 0 ] ; then
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echo "restored $file to $sf1"
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else
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echo "FAILED to restore $file to $sf1"
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fi
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else
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debug "$sf2 was modified, keeping $file, and removing the duplicated original"
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# information is now backuped, in new directory anyway. Removing future rpmsave to allow rpm -e
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rm $sf2
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# or its corresponding backup
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rm $sf2.rpmnew
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fi
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done
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clean
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