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#!/bin/bash
# unpack-debuginfo.sh - a simple script to unpack an RPM in a manner
# usable by debuginfofs.
# Copyright 2009 Red Hat, Inc.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
#
# Author: Will Woods <wwoods@redhat.com>
source config.sh
if [ -z "$libdir" ]; then
echo "Couldn't find config.sh - exiting."
exit 1
fi
if [ $# -lt 2 ]; then
echo "Usage: $0 reponame rpmfile [rpmfile...]"
echo "unpacks the given rpmfiles under $libdir/reponame"
exit 1
fi
function rpm_nevra {
if [ -z "$1" ]; then return; fi
n_evra="$(rpm -qp $1 --qf '%{N} %{E}:%{V}-%{R}.%{ARCH}' 2>/dev/null)"
set -- $n_evra
n=$1
evra=$2
if [ "${evra:0:1}" == ":" ]; then
evra="0$evra"
elif [ "${evra:0:6}" == "(none)" ]; then
evra="0${evra:6}"
fi
echo ${n}-${evra}
}
function rpm_envra {
if [ -z "$1" ]; then return; fi
envra="$(rpm -qp $1 --qf '%{E}:%{N}-%{V}-%{R}.%{ARCH}' 2>/dev/null)"
if [ "${envra:0:1}" == ":" ]; then
envra="0$envra"
elif [ "${envra:0:6}" == "(none)" ]; then
envra="0${envra:6}"
fi
echo $envra
}
function unpack_rpm {
[ "$debug" ] && echo "unpack_rpm($1 $2)" >&2
rpmfile="$1"
targetdir="$2"
rpm2cpio $1 | ( cd $targetdir; cpio --quiet -iumd )
# Fix dir perms so that anyone can read the data
find $targetdir -type d -exec chmod a+rx {} +
}
reponame="$1"
shift
# TODO perm check
# FIXME only do this if we're sure that reponame is OK?
mkdir -p "$libdir/$reponame"
if [ ! -d "$libdir/$reponame" ]; then
echo "$libdir/$reponame does not exist - please create it first."
exit 1
fi
while [ $# -gt 0 ]; do
nevra="$(rpm_nevra $1)"
first_letter="${nevra:0:1}"
targetdir="$libdir/$reponame/$first_letter/$nevra"
if [ -d $targetdir ]; then
[ "$verbose" ] && echo "$nevra already unpacked; skipping..."
else
mkdir -p $targetdir
unpack_rpm $1 $targetdir
fi
shift
done
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