eclass/rpm.eclass

   1 # Copyright 1999-2011 Gentoo Foundation
   2 # Distributed under the terms of the GNU General Public License v2
   3 # $Id$
   4
   5 # @ECLASS: rpm.eclass
   6 # @MAINTAINER:
   7 # base-system@gentoo.org
   8 # @BLURB: convenience class for extracting RPMs
   9
  10 inherit eutils
  11
  12 DEPEND=">=app-arch/rpm2targz-9.0.0.3g"
  13
  14 # @FUNCTION: rpm_unpack
  15 # @USAGE: <rpms>
  16 # @DESCRIPTION:
  17 # Unpack the contents of the specified rpms like the unpack() function.
  18 rpm_unpack() {
  19         [[ $# -eq 0 ]] && set -- ${A}
  20         local a
  21         for a in "$@" ; do
  22                 echo ">>> Unpacking ${a} to ${PWD}"
  23                 if [[ ${a} == ./* ]] ; then
  24                         : nothing to do -- path is local
  25                 elif [[ ${a} == ${DISTDIR}/* ]] ; then
  26                         ewarn 'QA: do not use ${DISTDIR} with rpm_unpack -- it is added for you'
  27                 elif [[ ${a} == /* ]] ; then
  28                         ewarn 'QA: do not use full paths with rpm_unpack -- use ./ paths instead'
  29                 else
  30                         a="${DISTDIR}/${a}"
  31                 fi
  32                 rpm2tar -O "${a}" | tar xf - || die "failure unpacking ${a}"
  33         done
  34 }
  35
  36 # @FUNCTION: srcrpm_unpack
  37 # @USAGE: <rpms>
  38 # @DESCRIPTION:
  39 # Unpack the contents of the specified rpms like the unpack() function as well
  40 # as any archives that it might contain.  Note that the secondary archive
  41 # unpack isn't perfect in that it simply unpacks all archives in the working
  42 # directory (with the assumption that there weren't any to start with).
  43 srcrpm_unpack() {
  44         [[ $# -eq 0 ]] && set -- ${A}
  45         rpm_unpack "$@"
  46
  47         # no .src.rpm files, then nothing to do
  48         [[ "$* " != *".src.rpm " ]] && return 0
  49
  50         eshopts_push -s nullglob
  51
  52         # unpack everything
  53         local a
  54         for a in *.tar.{gz,bz2} *.t{gz,bz2} *.zip *.ZIP ; do
  55                 unpack "./${a}"
  56                 rm -f "${a}"
  57         done
  58
  59         eshopts_pop
  60
  61         return 0
  62 }
  63
  64 # @FUNCTION: rpm_src_unpack
  65 # @DESCRIPTION:
  66 # Automatically unpack all archives in ${A} including rpms.  If one of the
  67 # archives in a source rpm, then the sub archives will be unpacked as well.
  68 rpm_src_unpack() {
  69         local a
  70         for a in ${A} ; do
  71                 case ${a} in
  72                 *.rpm) srcrpm_unpack "${a}" ;;
  73                 *)     unpack "${a}" ;;
  74                 esac
  75         done
  76 }
  77
  78 # @FUNCTION: rpm_spec_epatch
  79 # @USAGE: [spec]
  80 # @DESCRIPTION:
  81 # Read the specified spec (defaults to ${PN}.spec) and attempt to apply
  82 # all the patches listed in it.  If the spec does funky things like moving
  83 # files around, well this won't handle that.
  84 rpm_spec_epatch() {
  85         local p spec=$1
  86         local dir
  87
  88         if [[ -z ${spec} ]] ; then
  89                 # search likely places for the spec file
  90                 for spec in "${PWD}" "${S}" "${WORKDIR}" ; do
  91                         spec+="/${PN}.spec"
  92                         [[ -e ${spec} ]] && break
  93                 done
  94         fi
  95         [[ ${spec} == */* ]] \
  96                 && dir=${spec%/*} \
  97                 || dir=
  98
  99         ebegin "Applying patches from ${spec}"
 100
 101         grep '^%patch' "${spec}" | \
 102         while read line ; do
 103                 # expand the %patch line
 104                 set -- ${line}
 105                 p=$1
 106                 shift
 107
 108                 # process the %patch arguments
 109                 local arg
 110                 EPATCH_OPTS=
 111                 for arg in "$@" ; do
 112                         case ${arg} in
 113                         -b) EPATCH_OPTS+=" --suffix" ;;
 114                         *)  EPATCH_OPTS+=" ${arg}" ;;
 115                         esac
 116                 done
 117
 118                 # extract the patch name from the Patch# line
 119                 set -- $(grep "^P${p#%p}: " "${spec}")
 120                 shift
 121                 epatch "${dir:+${dir}/}$*"
 122         done
 123
 124         eend
 125 }
 126
 127 EXPORT_FUNCTIONS src_unpack