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Revision 1.11 - (hide annotations) (download)
Sat Jun 25 15:58:55 2005 UTC (9 years, 1 month ago) by liquidx
Branch: MAIN
Changes since 1.10: +1 -3 lines
remove WORKDIR restriction on rpm_unpack (#50291)

1 vapier 1.10 # Copyright 1999-2004 Gentoo Foundation
2 liquidx 1.1 # Distributed under the terms of the GNU General Public License v2
3 liquidx 1.11 # $Header: /var/cvsroot/gentoo-x86/eclass/rpm.eclass,v 1.10 2004/06/25 00:39:48 vapier Exp $
4 liquidx 1.1
5     # Author : Alastair Tse <liquidx@gentoo.org> (21 Jun 2003)
6     #
7     # Convienence class for extracting RPMs
8     #
9     # Basically, rpm_src_unpack does:
10     #
11 liquidx 1.5 # 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 liquidx 1.1 # .zip, .ZIP and unpacks them using unpack() (with a little hackery)
14 liquidx 1.5 # 3. deletes all the unpacked tarballs and zip files from ${WORKDIR}
15 liquidx 1.1 #
16 liquidx 1.5 # 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 ${WORKDIR}
19 liquidx 1.1 #
20 liquidx 1.5 # It will autodetect for rpm2cpio (included in app-arch/rpm) and if it exists
21     # it will use that instead of the less reliable rpmoffset. This means if a
22     # particular rpm cannot be read using rpmoffset, you just need to put :
23     #
24     # DEPEND="app-arch/rpm"
25     #
26     # in your ebuild and it will install and use rpm2cpio instead. If you wish
27     # to force your ebuild to use rpmoffset in the presence of rpm2cpio, define:
28     #
29     # USE_RPMOFFSET_ONLY="1"
30 liquidx 1.1
31     ECLASS="rpm"
32     INHERITED="$INHERITED $ECLASS"
33    
34 liquidx 1.5 USE_RPMOFFSET_ONLY=${USE_RPMOFFSET_ONLY-""}
35    
36 mr_bones_ 1.9 DEPEND=">=app-arch/rpm2targz-9.0-r1"
37 liquidx 1.1
38 liquidx 1.6 # extracts the contents of the RPM in ${WORKDIR}
39 liquidx 1.5 rpm_unpack() {
40 liquidx 1.7 local rpmfile rpmoff decompcmd
41 liquidx 1.5 rpmfile=$1
42     if [ -z "${rpmfile}" ]; then
43     return 1
44     fi
45     if [ -x /usr/bin/rpm2cpio -a -z "${USE_RPMOFFSET_ONLY}" ]; then
46     rpm2cpio ${rpmfile} | cpio -idmu --no-preserve-owner --quiet || return 1
47     else
48 liquidx 1.7 rpmoff=`rpmoffset < ${rpmfile}`
49     [ -z "${rpmoff}" ] && return 1
50    
51     decompcmd="gzip -dc"
52     if [ -n "`dd if=${rpmfile} skip=${rpmoff} bs=1 count=3 2>/dev/null | file - | grep bzip2`" ]; then
53     decompcmd="bzip2 -dc"
54     fi
55     dd ibs=${rpmoff} skip=1 if=${rpmfile} 2> /dev/null \
56     | ${decompcmd} \
57 liquidx 1.5 | cpio -idmu --no-preserve-owner --quiet || return 1
58     fi
59    
60     return 0
61     }
62    
63 liquidx 1.1 rpm_src_unpack() {
64     local x prefix ext myfail OLD_DISTDIR
65    
66     for x in ${A}; do
67     myfail="failure unpacking ${x}"
68     ext=${x##*.}
69     case "$ext" in
70     rpm)
71     echo ">>> Unpacking ${x}"
72     prefix=${x%.rpm}
73     cd ${WORKDIR}
74 liquidx 1.5 rpm_unpack ${DISTDIR}/${x} || die "${myfail}"
75 liquidx 1.1
76     # find all tar.gz files and extract for srpms
77     if [ "${prefix##*.}" = "src" ]; then
78     OLD_DISTDIR=${DISTDIR}
79     DISTDIR=${WORKDIR}
80 liquidx 1.4 findopts="* -maxdepth 0 -name *.tar"
81 liquidx 1.1 for t in *.tar.gz *.tgz *.tbz2 *.tar.bz2 *.zip *.ZIP; do
82     findopts="${findopts} -o -name ${t}"
83     done
84 liquidx 1.4 for t in $(find ${findopts} | xargs); do
85 liquidx 1.1 unpack ${t}
86     rm -f ${t}
87     done
88     DISTDIR=${OLD_DISTDIR}
89     fi
90     ;;
91     *)
92     unpack ${x}
93     ;;
94     esac
95     done
96    
97     }
98    
99     EXPORT_FUNCTIONS src_unpack

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