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#! /bin/bash
#   pbuilder -- personal Debian package builder
#   Copyright (C) 2001-2003,2005-2007 Junichi Uekawa
#
#   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 St, Fifth Floor, Boston, MA  02110-1301 USA

set -e 

. /usr/lib/pbuilder/pbuilder-checkparams
. /usr/lib/pbuilder/pbuilder-runhooks


if [ -n "$DISTRIBUTION" ]; then
    echo "Upgrading for distribution $DISTRIBUTION" 
fi
if [ "${PBUILDER_DEBUGMODE}" = "yes" ]; then
    TRAP="echo ignoring trap "
else
    TRAP=trap
fi

extractbuildplace
$TRAP umountproc_cleanbuildplace_trap exit sighup

loadhooks
echo "Refreshing the base.tgz "
echo " -> upgrading packages"
$CHROOTEXEC /usr/bin/apt-get update
if [ -n "$REMOVEPACKAGES" ]; then
    $CHROOTEXEC /usr/bin/dpkg --purge $REMOVEPACKAGES
fi
recover_aptcache

$TRAP saveaptcache_umountproc_cleanbuildplace_trap exit sighup
$CHROOTEXEC /usr/bin/apt-get -y --force-yes "${FORCE_CONFNEW[@]}" dist-upgrade 
$CHROOTEXEC /usr/bin/apt-get -y --force-yes install build-essential dpkg-dev apt $EXTRAPACKAGES
save_aptcache

# optionally auto-clean apt-cache
if [ "${AUTOCLEANAPTCACHE}" = "yes" -a -n "$APTCACHE" ]; then
    echo " -> Cleaning the cached apt archive"
    $CHROOTEXEC /usr/bin/apt-get autoclean || true
    find "$APTCACHE/" -maxdepth 1 -name \*.deb | \
	while read A; do
	    if [ ! -f "$BUILDPLACE/var/cache/apt/archives/"$(basename "$A") -a \
		-f "$A" ]; then
		echo " -> obsolete cache content "$(basename "$A")" removed"
		rm -f "$A" || true
	    fi
    done
fi

$TRAP umountproc_cleanbuildplace_trap exit sighup
executehooks "E"
unloadhooks

umountproc
$CHROOTEXEC /usr/bin/apt-get clean || true

$TRAP cleanbuildplace_trap exit sighup
if [ ! "${INTERNAL_BUILD_UML}" = "yes" ]; then
    create_basetgz
fi
if [ "${PRESERVE_BUILDPLACE}" = "yes" ]; then
    :
else
    cleanbuildplace
fi
trap - exit sighup
exit 0