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#! /bin/bash
# Creating the build environment with debootstrap.
#   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 [ -z "$DISTRIBUTION" ]; then
    DISTRIBUTION=sid
fi
echo "Distribution is $DISTRIBUTION."

if [ "${PBUILDER_DEBUGMODE}" = "yes" ]; then
    TRAP="echo ignoring trap "
else
    TRAP=trap
fi

# first clean it.
cleanbuildplace

echo "Building the build environment"
mkdir -p "$BUILDPLACE"
if [ ! -d "$BUILDPLACE" ]; then
    echo "E: Could not make directory [$BUILDPLACE]" >&2
    exit 1
fi

$TRAP cleanbuildplace exit

echo " -> running $DEBOOTSTRAP"
unset DEBOOTSTRAPSCRIPT
if [ -n "$HOOKDIR" ]; then
    if [ -f "$HOOKDIR/$DISTRIBUTION" ]; then
	DEBOOTSTRAPSCRIPT=$(readlink -f "$HOOKDIR")"/$DISTRIBUTION"
	echo "  -> Applying user distribution dist build script $DEBOOTSTRAPSCRIPT"
    fi
fi

if which "${DEBOOTSTRAP}"; then
    : # debootstrap exists
else
    echo "E: ${DEBOOTSTRAP} does not exist, install or change DEBOOTSTRAP option" >&2
    exit 1
fi

if ! ( cd "$BUILDPLACE" && "${DEBOOTSTRAP}" "${DEBOOTSTRAPOPTS[@]}" "$DISTRIBUTION" . "$MIRRORSITE" $DEBOOTSTRAPSCRIPT ) ; then
    echo "pbuilder: $DEBOOTSTRAP failed" >&2
    exit 1
fi

echo " -> debootstrap finished"
loadhooks


mkdir -p "$BUILDPLACE/tmp/buildd"

copy_local_configuration
installaptlines

executehooks "G"

echo "Refreshing the base.tgz "
echo " -> upgrading packages"
mountproc
$TRAP umountproc_cleanbuildplace exit
$CHROOTEXEC /usr/bin/apt-get update
if [ -n "$REMOVEPACKAGES" ]; then
    $CHROOTEXEC /usr/bin/dpkg --purge $REMOVEPACKAGES
fi
recover_aptcache
$CHROOTEXEC /usr/bin/apt-get -y --force-yes "${FORCE_CONFNEW[@]}" dist-upgrade
$CHROOTEXEC /usr/bin/apt-get -y --force-yes install build-essential dpkg-dev apt $EXTRAPACKAGES
save_aptcache

executehooks "E"
unloadhooks
umountproc
$CHROOTEXEC /usr/bin/apt-get clean || true

$TRAP cleanbuildplace exit

# Internal_build_uml is set when --no-targz is set, this code is actually never called from pbuilder-user-mode-linux
if [ ! "${INTERNAL_BUILD_UML}" = "yes" ]; then
    create_basetgz
fi
if [ "${PRESERVE_BUILDPLACE}" = "yes" ]; then
    trap exit sighup
fi