/[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 1.13 2005/07/06 20:23:20 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 $ECLASS"
33 31
34USE_RPMOFFSET_ONLY=${USE_RPMOFFSET_ONLY-""} 32USE_RPMOFFSET_ONLY=${USE_RPMOFFSET_ONLY-""}
35 33
36newdepend "app-arch/rpm2targz" 34DEPEND=">=app-arch/rpm2targz-9.0-r1"
37 35
38# extracts the contents of the RPM in ${WORKDIR} 36# extracts the contents of the RPM in ${WORKDIR}
39rpm_unpack() { 37rpm_unpack() {
40 local rpmfile 38 local rpmfile rpmoff decompcmd
41 rpmfile=$1 39 rpmfile=$1
42 if [ -z "${rpmfile}" ]; then 40 if [ -z "${rpmfile}" ]; then
43 return 1 41 return 1
44 fi 42 fi
45
46 cd ${WORKDIR}
47 if [ -x /usr/bin/rpm2cpio -a -z "${USE_RPMOFFSET_ONLY}" ]; then 43 if [ -x /usr/bin/rpm2cpio -a -z "${USE_RPMOFFSET_ONLY}" ]; then
48 rpm2cpio ${rpmfile} | cpio -idmu --no-preserve-owner --quiet || return 1 44 rpm2cpio ${rpmfile} | cpio -idmu --no-preserve-owner --quiet || return 1
49 else 45 else
46 rpmoff=`rpmoffset < ${rpmfile}`
47 [ -z "${rpmoff}" ] && return 1
48
49 decompcmd="gzip -dc"
50 if [ -n "`dd if=${rpmfile} skip=${rpmoff} bs=1 count=3 2>/dev/null | file - | grep bzip2`" ]; then
51 decompcmd="bzip2 -dc"
52 fi
50 dd ibs=`rpmoffset < ${rpmfile}` skip=1 if=${rpmfile} 2> /dev/null \ 53 dd ibs=${rpmoff} skip=1 if=${rpmfile} 2> /dev/null \
51 | gzip -dc \ 54 | ${decompcmd} \
52 | cpio -idmu --no-preserve-owner --quiet || return 1 55 | cpio -idmu --no-preserve-owner --quiet || return 1
53 fi 56 fi
54 57
55 return 0 58 return 0
56} 59}

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