opt/rpm2targz/rpm2targz
2009-06-13 22:37:21 +02:00

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#!/bin/sh
#
# Modified by Per Liden <per@fukt.bth.se>, 2000, 2004.
# Han Boetes <han@mijncomputer.nl>, 2004.
#
# Copyright 1997, 1998 Patrick Volkerding, Moorhead, Minnesota USA
# All rights reserved.
#
# Redistribution and use of this script, with or without modification, is
# permitted provided that the following conditions are met:
#
# 1. Redistributions of this script must retain the above copyright
# notice, this list of conditions and the following disclaimer.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
# WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
# EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
# OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
# OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#
if [ "$#" = "0" ]; then
echo "usage: ${0##*/} <file.rpm> ..."
exit 1
fi
# If $TMPDIR is not set, then use $TMP.
# If $TMP is not set either, then mktemp(1) will use /tmp.
${TMPDIR:=$TMP}
for file_rpm in $*; do
if [ ! -f $file_rpm ]; then
echo "$file_rpm: file not found"
continue
fi
dir_tar_gz=`mktemp -d` || exit 1
file_cpio=`mktemp` || exit 1
file_cpio_z=`mktemp` || exit 1
file_tar_gz=${file_rpm%.rpm}.tar.gz
echo "$file_rpm => $file_tar_gz"
dd ibs=`/usr/lib/rpm2targz/rpmoffset < $file_rpm` skip=1 if=$file_rpm of=$file_cpio_z 2> /dev/null
if file $file_cpio_z | grep "bzip2 compressed data"; then
bzip2 -dc < $file_cpio_z > $file_cpio
else
gzip -dc < $file_cpio_z > $file_cpio
fi
( cd $dir_tar_gz
cpio --quiet -i -m -d < $file_cpio
find . -type d -perm 700 -exec chmod 755 {} \;
tar cf - .
) | gzip > $file_tar_gz
rm -rf $file_cpio $file_cpio_z $dir_tar_gz
done
# End of file.