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#!/bin/sh
#
# Copyright (C) 2011, Canonical Ltd (http://www.canonical.com/)
#
# This file is part of ubuntu-iso-testing.
#
# ubuntu-iso-testing is free software: you can redistribute it
# and/or modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation, either version 3 of
# the License, or (at your option) any later version.
#
# ubuntu-iso-testing is distributed in the hope that it will
# be useful, but WITHOUT ANY WARRANTY; without even the implied warranty
# of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with ubuntu-iso-testing. If not, see
# <http://www.gnu.org/licenses/>.
#
set -e
usage() {
cat<<EOF
Usage: $(basename $0) [FILE]...
Extract files from an archive taking care of links
-C directory
Change directories after opening the archive but before extracting
entries from the archive.
-f file
Read the archive from the specified file.
-h This help
EOF
exit 1
}
DIRECTORY=""
ARCHIVE=""
TEMP=$(getopt -o hC:f:x -- "$@")
eval set -- "$TEMP"
while true ; do
case "$1" in
-h)
usage;;
-C)
DIRECTORY=$2
shift 2 ;;
-f)
ARCHIVE=$2
shift 2 ;;
-x) # Does nothing just here for compatibility with bsdtar
shift ;;
--) shift ; break ;;
*) usage;;
esac
done
BSDTAROPTS=""
[ ! -z "$ARCHIVE" ] && BSDTAROPTS="$BSDTAROPTS -f $ARCHIVE"
#[ ! -z "$DIRECTORY" ] && BSDTAROPTS="$BSDTAROPTS -C $DIRECTORY"
BSDTARCMD="bsdtar -x $BSDTAROPTS"
LISTCMD="bsdtar -tv $BSDTAROPTS"
TEMPDIR=$(mktemp -d)
trap "rm -Rf $TEMPDIR" EXIT QUIT
for f in $@; do
# Last component of list. This file always exists
TARGETFILE=$( $LISTCMD $f|sed -e 's/.* //')
[ -z "$TARGETFILE" ] && exit 1
$BSDTARCMD -C $TEMPDIR $TARGETFILE
[ "$(echo $f|cut -c1)" = "/" ] && f=".$f"
TARGETDIR="."
if [ ! -z "$DIRECTORY" ];then
mkdir -p "$DIRECTORY"
TARGETDIR="$DIRECTORY"
fi
mkdir -p $TARGETDIR/$(dirname $f)
mv -f $TEMPDIR/$TARGETFILE $TARGETDIR/$f
done
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