/[gentoo-x86]/eclass/rpm.eclass
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Revision 1.6 Revision 1.15
1# Copyright 1999-2003 Gentoo Technologies, Inc. 1# Copyright 1999-2006 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 1.15 2006/06/27 06:49:09 vapier 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#
9# Basically, rpm_src_unpack does: 9# Basically, rpm_src_unpack does:
10# 10#
11# 1. uses rpm_unpack to unpack a rpm file using rpmoffset and cpio 11# 1. uses rpm_unpack to unpack a rpm file using rpmoffset and cpio
12# 2. if it is a source rpm, it finds all .tar .tar.gz, .tgz, .tbz2, .tar.bz2, 12# 2. if it is a source rpm, it finds all .tar .tar.gz, .tgz, .tbz2, .tar.bz2,
13# .zip, .ZIP and unpacks them using unpack() (with a little hackery) 13# .zip, .ZIP and unpacks them using unpack() (with a little hackery)
19# 19#
20# It will autodetect for rpm2cpio (included in app-arch/rpm) and if it exists 20# It will autodetect for rpm2cpio (included in app-arch/rpm) and if it exists
21# it will use that instead of the less reliable rpmoffset. This means if a 21# it will use that instead of the less reliable rpmoffset. This means if a
22# particular rpm cannot be read using rpmoffset, you just need to put : 22# particular rpm cannot be read using rpmoffset, you just need to put :
23# 23#
24# DEPEND="app-arch/rpm" 24# DEPEND="app-arch/rpm"
25# 25#
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}
57 60
58rpm_src_unpack() { 61rpm_src_unpack() {
59 local x prefix ext myfail OLD_DISTDIR 62 local x prefix ext myfail OLD_DISTDIR
60 63
61 for x in ${A}; do 64 for x in ${A}; do
62 myfail="failure unpacking ${x}" 65 myfail="failure unpacking ${x}"
63 ext=${x##*.} 66 ext=${x##*.}
64 case "$ext" in 67 case "$ext" in
65 rpm) 68 rpm)
66 echo ">>> Unpacking ${x}" 69 echo ">>> Unpacking ${x} to ${WORKDIR}"
67 prefix=${x%.rpm} 70 prefix=${x%.rpm}
68 cd ${WORKDIR} 71 cd ${WORKDIR}
69 rpm_unpack ${DISTDIR}/${x} || die "${myfail}" 72 rpm_unpack ${DISTDIR}/${x} || die "${myfail}"
70 73
71 # find all tar.gz files and extract for srpms 74 # find all tar.gz files and extract for srpms
72 if [ "${prefix##*.}" = "src" ]; then 75 if [ "${prefix##*.}" = "src" ]; then
73 OLD_DISTDIR=${DISTDIR} 76 OLD_DISTDIR=${DISTDIR}
74 DISTDIR=${WORKDIR} 77 DISTDIR=${WORKDIR}
75 findopts="* -maxdepth 0 -name *.tar" 78 findopts="* -maxdepth 0 -name *.tar"
79 for t in $(find ${findopts} | xargs); do 82 for t in $(find ${findopts} | xargs); do
80 unpack ${t} 83 unpack ${t}
81 rm -f ${t} 84 rm -f ${t}
82 done 85 done
83 DISTDIR=${OLD_DISTDIR} 86 DISTDIR=${OLD_DISTDIR}
84 fi 87 fi
85 ;; 88 ;;
86 *) 89 *)
87 unpack ${x} 90 unpack ${x}
88 ;; 91 ;;
89 esac 92 esac
90 done 93 done
91
92} 94}
93 95
94EXPORT_FUNCTIONS src_unpack 96EXPORT_FUNCTIONS src_unpack

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