/[gentoo-x86]/eclass/rpm.eclass
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1# Copyright 1999-2003 Gentoo Technologies, Inc. 1# Copyright 1999-2009 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 1.18 2009/10/05 06:05:04 vapier Exp $
4 4
5# Author : Alastair Tse <liquidx@gentoo.org> (21 Jun 2003) 5# @ECLASS: rpm.eclass
6# 6# @MAINTAINER:
7# base-system@gentoo.org
7# Convienence class for extracting RPMs 8# @BLURB: convenience class for extracting RPMs
8#
9# Basically, rpm_src_unpack does:
10#
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,
13# .zip, .ZIP and unpacks them using unpack() (with a little hackery)
14# 3. deletes all the unpacked tarballs and zip files from ${WORKDIR}
15#
16# This ebuild now re-defines a utility function called rpm_unpack which
17# basically does what rpm2targz does, except faster. It does not gzip the
18# output tar again but directly extracts to ${WORKDIR}
19#
20# It will autodetect for rpm2cpio (included in app-arch/rpm) and if it exists
21# it will use that instead of the less reliable rpmoffset. This means if a
22# particular rpm cannot be read using rpmoffset, you just need to put :
23#
24# DEPEND="app-arch/rpm"
25#
26# in your ebuild and it will install and use rpm2cpio instead. If you wish
27# to force your ebuild to use rpmoffset in the presence of rpm2cpio, define:
28#
29# USE_RPMOFFSET_ONLY="1"
30 9
31ECLASS="rpm" 10inherit eutils
32INHERITED="$INHERITED $ECLASS"
33 11
34USE_RPMOFFSET_ONLY=${USE_RPMOFFSET_ONLY-""} 12DEPEND=">=app-arch/rpm2targz-9.0.0.3g"
35 13
36newdepend "app-arch/rpm2targz" 14# @FUNCTION: rpm_unpack
15# @USAGE: <rpms>
16# @DESCRIPTION:
17# Unpack the contents of the specified rpms like the unpack() function.
18rpm_unpack() {
19 local a
20 for a in "$@" ; do
21 echo ">>> Unpacking ${a} to ${PWD}"
22 if [[ ${a} == ./* ]] ; then
23 : nothing to do -- path is local
24 elif [[ ${a} == ${DISTDIR}/* ]] ; then
25 ewarn 'QA: do not use ${DISTDIR} with rpm_unpack -- it is added for you'
26 elif [[ ${a} == /* ]] ; then
27 ewarn 'QA: do not use full paths with rpm_unpack -- use ./ paths instead'
28 else
29 a="${DISTDIR}/${a}"
30 fi
31 rpm2tar -O "${a}" | tar xf - || die "failure unpacking ${a}"
32 done
33}
37 34
38# extracts the contents of the RPM in ${WORKDIR} 35# @FUNCTION: srcrpm_unpack
36# @USAGE: <rpms>
37# @DESCRIPTION:
38# Unpack the contents of the specified rpms like the unpack() function as well
39# as any archives that it might contain. Note that the secondary archive
40# unpack isn't perfect in that it simply unpacks all archives in the working
41# directory (with the assumption that there weren't any to start with).
39rpm_unpack() { 42srcrpm_unpack() {
40 local rpmfile 43 rpm_unpack "$@"
41 rpmfile=$1
42 if [ -z "${rpmfile}" ]; then
43 return 1
44 fi
45 44
46 cd ${WORKDIR} 45 # no .src.rpm files, then nothing to do
47 if [ -x /usr/bin/rpm2cpio -a -z "${USE_RPMOFFSET_ONLY}" ]; then 46 [[ "$* " != *".src.rpm " ]] && return 0
48 rpm2cpio ${rpmfile} | cpio -idmu --no-preserve-owner --quiet || return 1 47
49 else 48 local old_shopts=$(shopt -p nullglob)
50 dd ibs=`rpmoffset < ${rpmfile}` skip=1 if=${rpmfile} 2> /dev/null \ 49 shopt -s nullglob
51 | gzip -dc \ 50
52 | cpio -idmu --no-preserve-owner --quiet || return 1 51 # unpack everything
53 fi 52 local a
54 53 for a in *.tar.{gz,bz2} *.t{gz,bz2} *.zip *.ZIP ; do
54 unpack "./${a}"
55 rm -f "${a}"
56 done
57
58 eval "${old_shopts}"
59
55 return 0 60 return 0
56} 61}
57 62
63# @FUNCTION: rpm_src_unpack
64# @DESCRIPTION:
65# Automatically unpack all archives in ${A} including rpms. If one of the
66# archives in a source rpm, then the sub archives will be unpacked as well.
58rpm_src_unpack() { 67rpm_src_unpack() {
59 local x prefix ext myfail OLD_DISTDIR 68 local a
60
61 for x in ${A}; do 69 for a in ${A} ; do
62 myfail="failure unpacking ${x}" 70 case ${a} in
63 ext=${x##*.} 71 *.rpm) srcrpm_unpack "${a}" ;;
64 case "$ext" in 72 *) unpack "${a}" ;;
65 rpm)
66 echo ">>> Unpacking ${x}"
67 prefix=${x%.rpm}
68 cd ${WORKDIR}
69 rpm_unpack ${DISTDIR}/${x} || die "${myfail}"
70
71 # find all tar.gz files and extract for srpms
72 if [ "${prefix##*.}" = "src" ]; then
73 OLD_DISTDIR=${DISTDIR}
74 DISTDIR=${WORKDIR}
75 findopts="* -maxdepth 0 -name *.tar"
76 for t in *.tar.gz *.tgz *.tbz2 *.tar.bz2 *.zip *.ZIP; do
77 findopts="${findopts} -o -name ${t}"
78 done
79 for t in $(find ${findopts} | xargs); do
80 unpack ${t}
81 rm -f ${t}
82 done
83 DISTDIR=${OLD_DISTDIR}
84 fi
85 ;;
86 *)
87 unpack ${x}
88 ;;
89 esac 73 esac
90 done 74 done
91 75}
76
77# @FUNCTION: rpm_spec_epatch
78# @USAGE: [spec]
79# @DESCRIPTION:
80# Read the specified spec (defaults to ${PN}.spec) and attempt to apply
81# all the patches listed in it. If the spec does funky things like moving
82# files around, well this won't handle that.
83rpm_spec_epatch() {
84 local p spec=${1:-${PN}.spec}
85 local dir=${spec%/*}
86 grep '^%patch' "${spec}" | \
87 while read line ; do
88 set -- ${line}
89 p=$1
90 shift
91 EPATCH_OPTS="$*"
92 set -- $(grep "^P${p#%p}: " "${spec}")
93 shift
94 epatch "${dir:+${dir}/}$*"
95 done
92} 96}
93 97
94EXPORT_FUNCTIONS src_unpack 98EXPORT_FUNCTIONS src_unpack

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