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slackware-current/source/a/rpm2tgz/rpm2targz
Patrick J Volkerding 5a12e7c134 Slackware 13.0
Wed Aug 26 10:00:38 CDT 2009
Slackware 13.0 x86_64 is released as stable!  Thanks to everyone who
helped make this release possible -- see the RELEASE_NOTES for the
credits.  The ISOs are off to the replicator.  This time it will be a
6 CD-ROM 32-bit set and a dual-sided 32-bit/64-bit x86/x86_64 DVD.
We're taking pre-orders now at store.slackware.com.  Please consider
picking up a copy to help support the project.  Once again, thanks to
the entire Slackware community for all the help testing and fixing
things and offering suggestions during this development cycle.
As always, have fun and enjoy!  -P.
2018-05-31 22:41:17 +02:00

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#!/bin/sh
# Copyright 1997, 1998 Patrick Volkerding, Moorhead, MN USA
# Copyright 2002, 2004 Slackware Linux, Inc., Concord, CA USA
# Copyright 2006, 2009 Patrick Volkerding, Sebeka, MN 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 [ "$1" = "" ]; then
echo "$0: Converts RPM format to standard GNU tar + GNU zip format."
echo " (view converted packages with \"less\", install and remove"
echo " with \"installpkg\", \"removepkg\", \"pkgtool\", or manually"
echo " with \"tar\")"
echo
echo "Usage: $0 <file.rpm>"
if [ "$(basename $0)" = "rpm2tgz" ]; then
echo " (Outputs \"file.tgz\")"
else
echo " (Outputs \"file.tar.gz\")"
fi
exit 1;
fi
CWD=$(pwd)
# Create a new temporary directory with a secure filename:
make_temp_dir() {
if [ -x "$(which mcookie)" ]; then
tempd=/tmp/tmp.$(mcookie)
mkdir -p -m 0755 $tempd
elif [ -x "$(which openssl)" ]; then
tempd=/tmp/tmp.$(dd if=/dev/urandom bs=1k count=1 2> /dev/null | openssl dgst -md5)
mkdir -p -m 0755 $tempd
elif [ -x "$(which md5)" ]; then
tempd=/tmp/tmp.$(dd if=/dev/urandom bs=1k count=1 2> /dev/null | md5)
mkdir -p -m 0755 $tempd
elif [ -x "$(which mktemp)" ]; then
tempd=$(mktemp -d)
chmod 755 $tempd
## Uncomment for insecure use, but don't blame me:
#else
# tempd=/tmp/tmp.$$
# mkdir -p -m 0755 $tempd
fi
if [ -d $tempd ]; then # success, return the name of the directory:
echo $tempd
else
echo "ERROR: Could not find mcookie, openssl, or md5."
echo " Exiting since a secure temporary directory could not be made."
exit 1
fi
}
for i in $* ; do
# Determine if this is a source or binary RPM.
# If we have getrpmtype, use that. Otherwise, try "file".
if which getrpmtype 1> /dev/null 2> /dev/null; then
if getrpmtype -n $i | grep source 1> /dev/null 2> /dev/null ; then
isSource=1
else
isSource=0
fi
else # use file. This works fine on Slackware, and is the default.
if file $i | grep RPM | grep " src " 1> /dev/null 2> /dev/null ; then
isSource=1
else
isSource=0
fi
fi
# Create a temporary directory:
TMPDIR=$(make_temp_dir)
# Extract the RPM:
ofn=$TMPDIR/$(basename $i .rpm).cpio
if which rpm2cpio 1> /dev/null 2> /dev/null ; then
rpm2cpio $i > $ofn 2> /dev/null
if [ ! $? = 0 ]; then
echo "ERROR: rpm2cpio failed. (maybe $i is not an RPM?)"
rm -rf $TMPDIR
continue
fi
else # less reliable than rpm2cpio...
( dd ibs=$(rpmoffset < $i) skip=1 if=$i 2> /dev/null | gzip -dc > $ofn 2>/dev/null ) || \
( dd ibs=$(rpmoffset < $i) skip=1 if=$i 2> /dev/null | bzip2 -dc > $ofn 2>/dev/null )
fi
DEST=$TMPDIR
if [ "$isSource" = "1" ]; then
DEST=$DEST/$(basename $(basename $i .rpm) .src)
fi
mkdir -p $DEST
( cd $DEST
cpio -i -m -d < $ofn 1> /dev/null 2> /dev/null
rm -f $ofn
find . -type d -perm 700 -exec chmod 755 {} \;
)
# If this program was called as "rpm2targz", then repack as a plain
# tar+gz archive. If it was called as "rpm2tgz", use Slackware's
# makepkg to produce the .tgz:
if [ "$(basename $0)" = "rpm2tgz" ]; then
( cd $TMPDIR ; makepkg -l y -c n $CWD/$(basename $i .rpm).tgz )
else
( cd $TMPDIR ; tar cf - . ) > $(basename $i .rpm).tar
gzip -9 $(basename $i .rpm).tar
fi
# Remove temporary directory:
rm -rf $TMPDIR
done