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#!/bin/bash
if [ -z "$1" -o -z "$2" -o -z "$3" -o -z "$4" ] ; then
echo "usage: $0 <path to dar_static> <dar archive> <temporary directory> <name of the uninstall script to build> [<target install dir>]"
exit 1
fi
dar_static=`realpath "$1"`
source=`realpath "$2"`
tmpdir=`realpath "$3"`
uninst=`realpath "$4"`
destin="$5"
if [ -z "$destin" ] ; then
destin="/"
destprefix=""
else
destin=`realpath "$destin"`
destprefix="$destin"
fi
inst="$uninst.tmp"
if [ -e "$tmpdir" ] ; then
echo "$tmpdir already exists, aborting"
exit 2
else
mkdir -p "$tmpdir"
fi
if ! $dar_static -x "$source" -R "$tmpdir" -O -w -q -Q -u "system.nfs4_acl" -N ; then
echo "failed restoring $source to $tmpdir, $dar_static returned $?"
exit 2
fi
cat < /dev/null > "$uninst"
cat < /dev/null > "$inst"
cd "$tmpdir"
for f in `find . -depth | sed -r 's#^./##'` ; do
if [ ! -e "$desprefix/$f" ] ; then
if [ -d "./$f" ] ; then
echo "rmdir --ignore-fail-on-non-empty \"$destprefix/$f\"" >> "$uninst"
else
echo "rm -f \"$destprefix/$f\"" >> "$uninst"
echo "$destprefix/$f" >> "$inst"
fi
else
if [ ! -d "$destprefix/$f" ] ; then
echo "File to install $destprefix/$f already exists, aborting"
exit 2
fi
fi
done
if ! $dar_static -x "$source" "-[" "$inst" -R "$destin" -O -n -q -Q -u "system.nfs4_acl" -N ; then
echo "failed restoring $source with filter to $destin, $dar_static returned $?"
rm -f "$inst" "$uninst"
rm -rf "$tmpdir"
else
rm -f "$inst"
rm -rf "$tmpdir"
fi
ldconfig
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