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# Copyright 1999-2006 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo-x86/eclass/debian.eclass,v 1.1 2006/05/03 07:49:27 stuart Exp $
# Author : Jonathan Scruggs <j.scruggs@gmail.com> (09 April 2006)
# Based on rpm.eclass by : Alastair Tse <liquidx@gentoo.org> (21 Jun 2003)
#
# Convienence class for extracting DEBs
#
# Basically, deb_src_unpack does:
#
# 1. uses debian_unpack to unpack a deb file using ar from binutils.
# 2. deletes all the unpacked tarballs and zip files from ${WORKDIR}
# NOTE: deb2targz requiers perl, and that is not a package installed
# by default. ar comes with binutils, so everyone should have
# this already, and no need for a dependency of a really large
# package like perl. Some users may never need perl.
#
# This ebuild now re-defines a utility function called deb_unpack which
# basically extracts the files out of the deb. It does not gzip the
# output tar again but directly extracts to ${WORKDIR}
#
# I don't know if this will handle RPMs in the list, but it will with
# other regular files that the unpack command can handle. :)
# extracts the contents of the DEP in ${WORKDIR}
debian_unpack() {
local debfile targzfile return_value
debfile=$1
if [ -z "${debfile}" ]; then
return_value=1
else
ar x ${debfile}
# remove unneeded files.
rm -f control.tar.gz debian-binary
# Make this multi-file friendly.
# Rename this for nice output during emerge, so
# Users know what file is being extracted, rahter
# than seeing data.tar.gz all the time.
targzfile=${debfile##*\/}
targzfile=${targzfile//.deb/.tar.gz}
mv data.tar.gz ${targzfile}
return_value=0
fi
return ${return_value}
}
debian_src_unpack() {
local x targzfile ext myfail OLD_DISTDIR
for x in ${A}; do
myfail="failure unpacking ${x}"
ext=${x##*.}
case "$ext" in
deb)
echo ">>> Unpacking ${x}"
cd ${WORKDIR}
debian_unpack ${DISTDIR}/${x} || die "${myfail}"
# Needed to unpack data.tar.gz
OLD_DISTDIR=${DISTDIR}
DISTDIR=${WORKDIR}
targzfile=${x##*\/}
targzfile=${targzfile//.deb/.tar.gz}
unpack ${targzfile}
rm -f ${targzfile}
DISTDIR=${OLD_DISTDIR}
;;
*)
unpack ${x}
;;
esac
done
}
EXPORT_FUNCTIONS src_unpack
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