114 lines
3.0 KiB
Bash
114 lines
3.0 KiB
Bash
# Copyright 1999-2009 Gentoo Foundation
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# Distributed under the terms of the GNU General Public License v2
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# $Header: /var/cvsroot/gentoo-x86/eclass/rpm.eclass,v 1.20 2010/07/18 21:57:20 vapier Exp $
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# @ECLASS: rpm.eclass
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# @MAINTAINER:
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# base-system@gentoo.org
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# @BLURB: convenience class for extracting RPMs
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inherit eutils
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DEPEND=">=app-arch/rpm5offset-9.0"
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# @FUNCTION: rpm_unpack
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# @USAGE: <rpms>
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# @DESCRIPTION:
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# Unpack the contents of the specified rpms like the unpack() function.
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rpm5_unpack() {
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[[ $# -eq 0 ]] && set -- ${A}
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local a rpmoff decompcmd
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for a in "$@" ; do
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echo ">>> Unpacking ${a} to ${PWD}"
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if [[ ${a} == ./* ]] ; then
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: nothing to do -- path is local
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elif [[ ${a} == ${DISTDIR}/* ]] ; then
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ewarn 'QA: do not use ${DISTDIR} with rpm_unpack -- it is added for you'
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elif [[ ${a} == /* ]] ; then
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ewarn 'QA: do not use full paths with rpm_unpack -- use ./ paths instead'
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else
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a="${DISTDIR}/${a}"
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fi
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# rpm2tar -O "${a}" | tar xf - || die "failure unpacking ${a}"
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rpmoff=`rpm5offset < ${a}`
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[ -z "${rpmoff}" ] && return 1
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decompcmd="lzma -dc"
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if [ -n "`dd if=${a} skip=${rpmoff} bs=1 count=3 2>/dev/null | file - | grep bzip2`" ]; then
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decompcmd="bzip2 -dc"
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fi
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if [ -n "`dd if=${a} skip=${rpmoff} bs=1 count=3 2>/dev/null | file - | grep gzip`" ]; then
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decompcmd="gzip -dc"
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fi
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dd ibs=${rpmoff} skip=1 if=${a} 2> /dev/null \
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| ${decompcmd} \
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| cpio -idmu --no-preserve-owner --quiet || return 1
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done
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}
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# @FUNCTION: srcrpm_unpack
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# @USAGE: <rpms>
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# @DESCRIPTION:
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# Unpack the contents of the specified rpms like the unpack() function as well
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# as any archives that it might contain. Note that the secondary archive
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# unpack isn't perfect in that it simply unpacks all archives in the working
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# directory (with the assumption that there weren't any to start with).
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srcrpm5_unpack() {
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[[ $# -eq 0 ]] && set -- ${A}
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rpm5_unpack "$@"
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# no .src.rpm files, then nothing to do
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[[ "$* " != *".src.rpm " ]] && return 0
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eshopts_push -s nullglob
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# unpack everything
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local a
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for a in *.tar.{gz,bz2} *.t{gz,bz2} *.zip *.ZIP ; do
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unpack "./${a}"
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rm -f "${a}"
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done
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eshopts_pop
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return 0
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}
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# @FUNCTION: rpm_src_unpack
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# @DESCRIPTION:
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# Automatically unpack all archives in ${A} including rpms. If one of the
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# archives in a source rpm, then the sub archives will be unpacked as well.
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rpm5_src_unpack() {
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local a
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for a in ${A} ; do
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case ${a} in
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*.rpm) srcrpm5_unpack "${a}" ;;
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*) unpack "${a}" ;;
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esac
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done
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}
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# @FUNCTION: rpm_spec_epatch
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# @USAGE: [spec]
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# @DESCRIPTION:
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# Read the specified spec (defaults to ${PN}.spec) and attempt to apply
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# all the patches listed in it. If the spec does funky things like moving
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# files around, well this won't handle that.
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rpm5_spec_epatch() {
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local p spec=${1:-${PN}.spec}
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local dir=${spec%/*}
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grep '^%patch' "${spec}" | \
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while read line ; do
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set -- ${line}
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p=$1
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shift
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EPATCH_OPTS="$*"
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set -- $(grep "^P${p#%p}: " "${spec}")
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shift
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epatch "${dir:+${dir}/}$*"
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done
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}
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EXPORT_FUNCTIONS src_unpack
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