eclass/rpm.eclass

   1 # Copyright 1999-2020 Gentoo Authors
   2 # Distributed under the terms of the GNU General Public License v2
   3
   4 # @ECLASS: rpm.eclass
   5 # @MAINTAINER:
   6 # base-system@gentoo.org
   7 # @BLURB: convenience class for extracting RPMs
   8
   9 inherit estack eutils
  10
  11 DEPEND=">=app-arch/rpm2targz-9.0.0.3g"
  12
  13 # @FUNCTION: rpm_unpack
  14 # @USAGE: <rpms>
  15 # @DESCRIPTION:
  16 # Unpack the contents of the specified rpms like the unpack() function.
  17 rpm_unpack() {
  18         [[ $# -eq 0 ]] && set -- ${A}
  19         local a
  20         for a in "$@" ; 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 }
  34
  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).
  42 srcrpm_unpack() {
  43         [[ $# -eq 0 ]] && set -- ${A}
  44         rpm_unpack "$@"
  45
  46         # no .src.rpm files, then nothing to do
  47         [[ "$* " != *".src.rpm " ]] && return 0
  48
  49         eshopts_push -s nullglob
  50
  51         # unpack everything
  52         local a
  53         for a in *.tar.{gz,bz2,xz} *.t{gz,bz2,xz,pxz} *.zip *.ZIP ; do
  54                 unpack "./${a}"
  55                 rm -f "${a}"
  56         done
  57
  58         eshopts_pop
  59
  60         return 0
  61 }
  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.
  67 rpm_src_unpack() {
  68         local a
  69         for a in ${A} ; do
  70                 case ${a} in
  71                 *.rpm) srcrpm_unpack "${a}" ;;
  72                 *)     unpack "${a}" ;;
  73                 esac
  74         done
  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.
  83 rpm_spec_epatch() {
  84         local p spec=$1
  85         local dir
  86
  87         if [[ -z ${spec} ]] ; then
  88                 # search likely places for the spec file
  89                 for spec in "${PWD}" "${S}" "${WORKDIR}" ; do
  90                         spec+="/${PN}.spec"
  91                         [[ -e ${spec} ]] && break
  92                 done
  93         fi
  94         [[ ${spec} == */* ]] \
  95                 && dir=${spec%/*} \
  96                 || dir=
  97
  98         ebegin "Applying patches from ${spec}"
  99
 100         grep '^%patch' "${spec}" | \
 101         while read line ; do
 102                 # expand the %patch line
 103                 set -- ${line}
 104                 p=$1
 105                 shift
 106
 107                 # process the %patch arguments
 108                 local arg
 109                 EPATCH_OPTS=
 110                 for arg in "$@" ; do
 111                         case ${arg} in
 112                         -b) EPATCH_OPTS+=" --suffix" ;;
 113                         *)  EPATCH_OPTS+=" ${arg}" ;;
 114                         esac
 115                 done
 116
 117                 # extract the patch name from the Patch# line
 118                 set -- $(grep "^P${p#%p}: " "${spec}")
 119                 shift
 120                 epatch "${dir:+${dir}/}$*"
 121         done
 122
 123         eend
 124 }
 125
 126 EXPORT_FUNCTIONS src_unpack