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# Copyright 1999-2004 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 1.10 2004/06/25 00:39:48 vapier Exp $ |
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# Author : Alastair Tse <liquidx@gentoo.org> (21 Jun 2003) |
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# |
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# Convienence class for extracting RPMs |
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# |
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# Basically, rpm_src_unpack does: |
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# |
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# 1. uses rpm_unpack to unpack a rpm file using rpmoffset and cpio |
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# 2. if it is a source rpm, it finds all .tar .tar.gz, .tgz, .tbz2, .tar.bz2, |
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# .zip, .ZIP and unpacks them using unpack() (with a little hackery) |
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# 3. deletes all the unpacked tarballs and zip files from ${WORKDIR} |
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# |
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# This ebuild now re-defines a utility function called rpm_unpack which |
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# basically does what rpm2targz does, except faster. It does not gzip the |
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# output tar again but directly extracts to ${WORKDIR} |
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# |
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# It will autodetect for rpm2cpio (included in app-arch/rpm) and if it exists |
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# it will use that instead of the less reliable rpmoffset. This means if a |
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# particular rpm cannot be read using rpmoffset, you just need to put : |
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# |
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# DEPEND="app-arch/rpm" |
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# |
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# in your ebuild and it will install and use rpm2cpio instead. If you wish |
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# to force your ebuild to use rpmoffset in the presence of rpm2cpio, define: |
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# |
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# USE_RPMOFFSET_ONLY="1" |
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ECLASS="rpm" |
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INHERITED="$INHERITED $ECLASS" |
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USE_RPMOFFSET_ONLY=${USE_RPMOFFSET_ONLY-""} |
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mr_bones_ |
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DEPEND=">=app-arch/rpm2targz-9.0-r1" |
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# extracts the contents of the RPM in ${WORKDIR} |
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rpm_unpack() { |
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local rpmfile rpmoff decompcmd |
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rpmfile=$1 |
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if [ -z "${rpmfile}" ]; then |
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return 1 |
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fi |
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if [ -x /usr/bin/rpm2cpio -a -z "${USE_RPMOFFSET_ONLY}" ]; then |
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rpm2cpio ${rpmfile} | cpio -idmu --no-preserve-owner --quiet || return 1 |
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else |
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rpmoff=`rpmoffset < ${rpmfile}` |
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[ -z "${rpmoff}" ] && return 1 |
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decompcmd="gzip -dc" |
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if [ -n "`dd if=${rpmfile} skip=${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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dd ibs=${rpmoff} skip=1 if=${rpmfile} 2> /dev/null \ |
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| ${decompcmd} \ |
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| cpio -idmu --no-preserve-owner --quiet || return 1 |
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fi |
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return 0 |
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} |
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rpm_src_unpack() { |
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local x prefix ext myfail OLD_DISTDIR |
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for x in ${A}; do |
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myfail="failure unpacking ${x}" |
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ext=${x##*.} |
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case "$ext" in |
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rpm) |
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echo ">>> Unpacking ${x}" |
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prefix=${x%.rpm} |
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cd ${WORKDIR} |
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rpm_unpack ${DISTDIR}/${x} || die "${myfail}" |
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# find all tar.gz files and extract for srpms |
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if [ "${prefix##*.}" = "src" ]; then |
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OLD_DISTDIR=${DISTDIR} |
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DISTDIR=${WORKDIR} |
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findopts="* -maxdepth 0 -name *.tar" |
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for t in *.tar.gz *.tgz *.tbz2 *.tar.bz2 *.zip *.ZIP; do |
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findopts="${findopts} -o -name ${t}" |
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done |
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for t in $(find ${findopts} | xargs); do |
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unpack ${t} |
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rm -f ${t} |
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done |
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DISTDIR=${OLD_DISTDIR} |
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fi |
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;; |
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*) |
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unpack ${x} |
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;; |
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esac |
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done |
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} |
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EXPORT_FUNCTIONS src_unpack |