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#!/bin/bash
config=$1
target=$2
debug="false"
rma=""
if [ "x$debug" == "xtrue" ] ; then
rma="-v"
fi
debug(){
if [ "x$debug" == "xtrue" ] ; then
echo "$1"
fi
}
#we should be pretty strict about removing once used (even "used" [with fail]) config file, as it may corrupt another installation
clean(){
debug "cleanup: removing $config"
rm -rf $config
}
if [ "x" == "x$config" ] ; then
debug "no config file specified"
exit 1
fi
if [ ! -f "$config" ] ; then
debug "$config file do not exists"
# expected case, when no migration happened
exit 0
fi
if [ "x" == "x$target" ] ; then
debug "no target dir specified"
clean
exit 2
fi
if [ ! -d "$target" ] ; then
debug "$target is not directory"
clean
exit 22
fi
source=`cat $config`
if [ "x" == "x$source" ] ; then
debug "no information in $config"
clean
exit 3
fi
if [ ! -d "$source" ] ; then
debug "$source from $config is not directory"
clean
exit 33
fi
listLinks(){
find $1 -type l -print0 | xargs -0 ls -ld | sed "s; \+-> \+;_->_;g" | sed "s;.* $1;$1;"
}
printIfExists(){
if [ -e $ffileCandidate ] ; then
echo $1
else
# stdout can be captured, therefore stderr
debug "skipping not-existing link-target-dir $1" 1>&2
fi
}
createListOfLinksTargetsDirectories(){
pushd $source >/dev/null 2>&1
local links=`listLinks $1`
for x in $links ; do
echo "$x" | grep "jre-abrt" > /dev/null
if [ $? -eq 0 ] ; then
continue
fi
local ffileCandidate=$(echo $x | sed "s/.*_->_//") ;
# ignoring relative paths as they may lead who know where later
# there can be simlink relative to position, so push is not catching all
if [ "$ffileCandidate" != "${ffileCandidate#/}" ] ; then
if [ -d $ffileCandidate ] ; then
# should we accept the links to directories themselves?
printIfExists $ffileCandidate
else
printIfExists `dirname $ffileCandidate`
fi
fi
done | sort | uniq
popd >/dev/null 2>&1
}
sourceLinks=`listLinks $source`
targetLinks=`listLinks $target`
sourceLinksDirsTarget=`createListOfLinksTargetsDirectories $source`
targetLinksDirsTarget=`createListOfLinksTargetsDirectories $target`
debug "source: $source"
debug "target: $target"
debug "sourceLinks:
$sourceLinks"
debug "targetLinks:
$targetLinks"
debug "sourceLinksDirsTarget:
$sourceLinksDirsTarget"
debug "targetLinksDirsTarget:
$targetLinksDirsTarget"
sourceSearchPath="$source $sourceLinksDirsTarget"
targetSearchPath="$target $targetLinksDirsTarget"
work(){
if [ "X$1" == "Xrpmnew" -o "X$1" == "Xrpmorig" ] ; then
debug "Working with $1 (1)"
else
debug "unknown parameter: $1"
return 1
fi
local files=`find $targetSearchPath | grep "\\.$1$"`
for file in $files ; do
local sf1=`echo $file | sed "s/\\.$1$//"`
local sf2=`echo $sf1 | sed "s/$targetName/$srcName/"`
# was file modified in origianl installation?
rpm -Vf $source | grep -q $sf2
if [ $? -gt 0 ] ; then
if [ "X$1" == "Xrpmnew" ] ; then
debug "$sf2 was NOT modified, removing possibly corrupted $sf1 and renaming from $file"
mv $rma -f $file $sf1
if [ $? -eq 0 ] ; then
echo "restored $file to $sf1"
else
echo "FAILED to restore $file to $sf1"
fi
fi
if [ "X$1" == "Xrpmorig" ] ; then
debug "$sf2 was NOT modified, removing possibly corrupted $file"
rm $rma $file
fi
else
debug "$sf2 was modified, keeping $file, and removing the duplicated original"
# information is now backuped, in new directory anyway. Removing future rpmsave to allow rpm -e
rm -f $rma $sf2
# or its corresponding backup
rm -f $rma $sf2.$1
fi
done
}
srcName=`basename $source`
targetName=`basename $target`
work rpmnew
work rpmorig
debug "Working with rpmorig (2)"
# simply moving old rpmsaves to new dir
# fix for config (replace) leftovers
files=`find $sourceSearchPath | grep "\\.rpmorig$"`
for file in $files ; do
rpmsaveTarget=`echo $file | sed "s/$srcName/$targetName/"`
debug "relocating $file to $rpmsaveTarget"
if [ -e $rpmsaveTarget ] ; then
rm $rma $file
else
mv $rma $file $rpmsaveTarget
fi
done
debug "Working with rpmsave (1)"
files=`find $sourceSearchPath | grep "\\.rpmsave$"`
for file in $files ; do
rpmsaveTarget=`echo $file | sed "s/$srcName/$targetName/"`
debug "relocating $file to $rpmsaveTarget"
if [ -e $rpmsaveTarget ] ; then
rm $rma $file
else
mv $rma $file $rpmsaveTarget
fi
done
#warning: file /usr/lib/jvm/java-1.8.0-openjdk-1.8.0.131-11.b12.el7.x86_64-debug/jre/lib/applet: remove failed: No such file or directory
#warning: file /usr/lib/jvm/java-1.8.0-openjdk-1.8.0.131-11.b12.el7.x86_64-debug/jre/lib/amd64/client: remove failed: No such file or directory
#warning: file /usr/lib/jvm/java-1.7.0-openjdk-1.7.0.171-2.6.13.2.el7.x86_64/jre/lib/amd64/xawt: remove failed: No such file or directory
#those dirs might be mepty by installtion, filling to not be rmeoved later
blackdirs="$source/jre/lib/applet $source/jre/lib/*/client $source/jre/lib/locale/*/LC_MESSAGE $source/jre/lib/*/xawt"
for blackdir in $blackdirs; do
if [ -e $blackdir ] ; then
debug "nasty $blackdir exists, filling"
touch $blackdir/C-J-C_placeholder
else
debug "nasty $blackdir DONT exists, ignoring"
fi
done
debug "cleaning legacy leftowers"
if [ "x$debug" == "xtrue" ] ; then
find $sourceSearchPath -empty -type d -delete
rmdir $rma $sourceSearchPath
else
find $sourceSearchPath -empty -type d -delete 2>/dev/null >/dev/null
rmdir $rma $sourceSearchPath 2>/dev/null >/dev/null
fi
# and remove placeholders
for blackdir in $blackdirs; do
if [ -e $blackdir ] ; then
debug "nasty $blackdir exists, cleaning placeholder"
rm $blackdir/C-J-C_placeholder
else
debug "nasty $blackdir DONT exists, ignoring again"
fi
done
clean