/[gentoo-x86]/eclass/rpm.eclass
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1# Copyright 1999-2003 Gentoo Technologies, Inc. 1# Copyright 1999-2004 Gentoo Foundation
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 1.12 2005/07/06 20:20:04 agriffis 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#
26# in your ebuild and it will install and use rpm2cpio instead. If you wish 26# in your ebuild and it will install and use rpm2cpio instead. If you wish
27# to force your ebuild to use rpmoffset in the presence of rpm2cpio, define: 27# to force your ebuild to use rpmoffset in the presence of rpm2cpio, define:
28# 28#
29# USE_RPMOFFSET_ONLY="1" 29# USE_RPMOFFSET_ONLY="1"
30 30
31ECLASS="rpm"
32INHERITED="$INHERITED $ECLASS" 31INHERITED="$INHERITED $ECLASS"
33 32
34USE_RPMOFFSET_ONLY=${USE_RPMOFFSET_ONLY-""} 33USE_RPMOFFSET_ONLY=${USE_RPMOFFSET_ONLY-""}
35 34
36newdepend "app-arch/rpm2targz" 35DEPEND=">=app-arch/rpm2targz-9.0-r1"
37 36
38# extracts the contents of the RPM in ${WORKDIR} 37# extracts the contents of the RPM in ${WORKDIR}
39rpm_unpack() { 38rpm_unpack() {
40 local rpmfile 39 local rpmfile rpmoff decompcmd
41 rpmfile=$1 40 rpmfile=$1
42 if [ -z "${rpmfile}" ]; then 41 if [ -z "${rpmfile}" ]; then
43 return 1 42 return 1
44 fi 43 fi
45
46 cd ${WORKDIR}
47 if [ -x /usr/bin/rpm2cpio -a -z "${USE_RPMOFFSET_ONLY}" ]; then 44 if [ -x /usr/bin/rpm2cpio -a -z "${USE_RPMOFFSET_ONLY}" ]; then
48 rpm2cpio ${rpmfile} | cpio -idmu --no-preserve-owner --quiet || return 1 45 rpm2cpio ${rpmfile} | cpio -idmu --no-preserve-owner --quiet || return 1
49 else 46 else
47 rpmoff=`rpmoffset < ${rpmfile}`
48 [ -z "${rpmoff}" ] && return 1
49
50 decompcmd="gzip -dc"
51 if [ -n "`dd if=${rpmfile} skip=${rpmoff} bs=1 count=3 2>/dev/null | file - | grep bzip2`" ]; then
52 decompcmd="bzip2 -dc"
53 fi
50 dd ibs=`rpmoffset < ${rpmfile}` skip=1 if=${rpmfile} 2> /dev/null \ 54 dd ibs=${rpmoff} skip=1 if=${rpmfile} 2> /dev/null \
51 | gzip -dc \ 55 | ${decompcmd} \
52 | cpio -idmu --no-preserve-owner --quiet || return 1 56 | cpio -idmu --no-preserve-owner --quiet || return 1
53 fi 57 fi
54 58
55 return 0 59 return 0
56} 60}

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