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 case "${EAPI:-0}" in
  12         [0-6]) DEPEND=">=app-arch/rpm2targz-9.0.0.3g" ;;
  13         *) BDEPEND=">=app-arch/rpm2targz-9.0.0.3g" ;;
  14 esac
  15
  16 # @FUNCTION: rpm_unpack
  17 # @USAGE: <rpms>
  18 # @DESCRIPTION:
  19 # Unpack the contents of the specified rpms like the unpack() function.
  20 rpm_unpack() {
  21         [[ $# -eq 0 ]] && set -- ${A}
  22         local a
  23         for a in "$@" ; do
  24                 echo ">>> Unpacking ${a} to ${PWD}"
  25                 if [[ ${a} == ./* ]] ; then
  26                         : nothing to do -- path is local
  27                 elif [[ ${a} == ${DISTDIR}/* ]] ; then
  28                         ewarn 'QA: do not use ${DISTDIR} with rpm_unpack -- it is added for you'
  29                 elif [[ ${a} == /* ]] ; then
  30                         ewarn 'QA: do not use full paths with rpm_unpack -- use ./ paths instead'
  31                 else
  32                         a="${DISTDIR}/${a}"
  33                 fi
  34                 rpm2tar -O "${a}" | tar xf - || die "failure unpacking ${a}"
  35         done
  36 }
  37
  38 # @FUNCTION: srcrpm_unpack
  39 # @USAGE: <rpms>
  40 # @DESCRIPTION:
  41 # Unpack the contents of the specified rpms like the unpack() function as well
  42 # as any archives that it might contain.  Note that the secondary archive
  43 # unpack isn't perfect in that it simply unpacks all archives in the working
  44 # directory (with the assumption that there weren't any to start with).
  45 srcrpm_unpack() {
  46         [[ $# -eq 0 ]] && set -- ${A}
  47         rpm_unpack "$@"
  48
  49         # no .src.rpm files, then nothing to do
  50         [[ "$* " != *".src.rpm " ]] && return 0
  51
  52         eshopts_push -s nullglob
  53
  54         # unpack everything
  55         local a
  56         for a in *.tar.{gz,bz2,xz} *.t{gz,bz2,xz,pxz} *.zip *.ZIP ; do
  57                 unpack "./${a}"
  58                 rm -f "${a}"
  59         done
  60
  61         eshopts_pop
  62
  63         return 0
  64 }
  65
  66 # @FUNCTION: rpm_src_unpack
  67 # @DESCRIPTION:
  68 # Automatically unpack all archives in ${A} including rpms.  If one of the
  69 # archives in a source rpm, then the sub archives will be unpacked as well.
  70 rpm_src_unpack() {
  71         local a
  72         for a in ${A} ; do
  73                 case ${a} in
  74                 *.rpm) srcrpm_unpack "${a}" ;;
  75                 *)     unpack "${a}" ;;
  76                 esac
  77         done
  78 }
  79
  80 # @FUNCTION: rpm_spec_epatch
  81 # @USAGE: [spec]
  82 # @DESCRIPTION:
  83 # Read the specified spec (defaults to ${PN}.spec) and attempt to apply
  84 # all the patches listed in it.  If the spec does funky things like moving
  85 # files around, well this won't handle that.
  86 rpm_spec_epatch() {
  87         local p spec=$1
  88         local dir
  89
  90         if [[ -z ${spec} ]] ; then
  91                 # search likely places for the spec file
  92                 for spec in "${PWD}" "${S}" "${WORKDIR}" ; do
  93                         spec+="/${PN}.spec"
  94                         [[ -e ${spec} ]] && break
  95                 done
  96         fi
  97         [[ ${spec} == */* ]] \
  98                 && dir=${spec%/*} \
  99                 || dir=
 100
 101         ebegin "Applying patches from ${spec}"
 102
 103         grep '^%patch' "${spec}" | \
 104         while read line ; do
 105                 # expand the %patch line
 106                 set -- ${line}
 107                 p=$1
 108                 shift
 109
 110                 # process the %patch arguments
 111                 local arg
 112                 EPATCH_OPTS=
 113                 for arg in "$@" ; do
 114                         case ${arg} in
 115                         -b) EPATCH_OPTS+=" --suffix" ;;
 116                         *)  EPATCH_OPTS+=" ${arg}" ;;
 117                         esac
 118                 done
 119
 120                 # extract the patch name from the Patch# line
 121                 set -- $(grep "^P${p#%p}: " "${spec}")
 122                 shift
 123                 epatch "${dir:+${dir}/}$*"
 124         done
 125
 126         eend
 127 }
 128
 129 EXPORT_FUNCTIONS src_unpack