/[gentoo-x86]/eclass/rpm.eclass
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Revision 1.6 Revision 1.7
1# Copyright 1999-2003 Gentoo Technologies, Inc. 1# Copyright 1999-2003 Gentoo Technologies, Inc.
2# Distributed under the terms of the GNU General Public License v2 2# Distributed under the terms of the GNU General Public License v2
3# $Header: /var/cvsroot/gentoo-x86/eclass/rpm.eclass,v 1.6 2003/06/22 16:31:23 liquidx Exp $ 3# $Header: /var/cvsroot/gentoo-x86/eclass/rpm.eclass,v 1.7 2003/06/25 23:50:02 liquidx Exp $
4 4
5# Author : Alastair Tse <liquidx@gentoo.org> (21 Jun 2003) 5# Author : Alastair Tse <liquidx@gentoo.org> (21 Jun 2003)
6# 6#
7# Convienence class for extracting RPMs 7# Convienence class for extracting RPMs
8# 8#
35 35
36newdepend "app-arch/rpm2targz" 36newdepend "app-arch/rpm2targz"
37 37
38# extracts the contents of the RPM in ${WORKDIR} 38# extracts the contents of the RPM in ${WORKDIR}
39rpm_unpack() { 39rpm_unpack() {
40 local rpmfile 40 local rpmfile rpmoff decompcmd
41 rpmfile=$1 41 rpmfile=$1
42 if [ -z "${rpmfile}" ]; then 42 if [ -z "${rpmfile}" ]; then
43 return 1 43 return 1
44 fi 44 fi
45 45
46 cd ${WORKDIR} 46 cd ${WORKDIR}
47 if [ -x /usr/bin/rpm2cpio -a -z "${USE_RPMOFFSET_ONLY}" ]; then 47 if [ -x /usr/bin/rpm2cpio -a -z "${USE_RPMOFFSET_ONLY}" ]; then
48 rpm2cpio ${rpmfile} | cpio -idmu --no-preserve-owner --quiet || return 1 48 rpm2cpio ${rpmfile} | cpio -idmu --no-preserve-owner --quiet || return 1
49 else 49 else
50 rpmoff=`rpmoffset < ${rpmfile}`
51 [ -z "${rpmoff}" ] && return 1
52
53 decompcmd="gzip -dc"
54 if [ -n "`dd if=${rpmfile} skip=${rpmoff} bs=1 count=3 2>/dev/null | file - | grep bzip2`" ]; then
55 decompcmd="bzip2 -dc"
56 fi
50 dd ibs=`rpmoffset < ${rpmfile}` skip=1 if=${rpmfile} 2> /dev/null \ 57 dd ibs=${rpmoff} skip=1 if=${rpmfile} 2> /dev/null \
51 | gzip -dc \ 58 | ${decompcmd} \
52 | cpio -idmu --no-preserve-owner --quiet || return 1 59 | cpio -idmu --no-preserve-owner --quiet || return 1
53 fi 60 fi
54 61
55 return 0 62 return 0
56} 63}

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