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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 

. "${BASH_SOURCE%/*}/pbuilder-checkparams"

if [ -z "$DISTRIBUTION" ]; then
    DISTRIBUTION=sid
fi
log "I: Distribution is $DISTRIBUTION."

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

# show the current time before doing anything.
echobacktime

# first clean it.
cleanbuildplace

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

$TRAP cleanbuildplace exit

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

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

# FIXME if the end-user passes another --include= to debootstrap in
# DEBOOTSTRAPOPTS, it will override the --include=apt one and apt might not be
# installed
if ! ( "${DEBOOTSTRAP}" \
    ${ARCHITECTURE:+--arch=$ARCHITECTURE} \
    --include=apt \
    "${DEBOOTSTRAPOPTS[@]}" \
    "$DISTRIBUTION" \
    "$BUILDPLACE" \
    "$MIRRORSITE" \
    $DEBOOTSTRAPSCRIPT ) ; then
    log "E: $DEBOOTSTRAP failed"
    exit 1
fi

log "I: debootstrap finished"


mkdir -p "${BUILDPLACE}$BUILDDIR"

copy_local_configuration
installaptlines
add_additional_aptkeyrings
executehooks "G"

log "I: Refreshing the base.tgz "
log "I: upgrading packages"
mountproc
$TRAP umountproc_cleanbuildplace_trap exit sighup
$CHROOTEXEC /usr/bin/apt-get -q "${APTGETOPT[@]}" update

case "$(readlink -e "$PBUILDERSATISFYDEPENDSCMD")" in
  *-aptitude)
    EXTRAPACKAGES="$EXTRAPACKAGES aptitude"
  ;;
  *)
    EXTRAPACKAGES="$EXTRAPACKAGES aptitude-"
  ;;
esac

if [ -n "$CCACHEDIR" ]; then
    EXTRAPACKAGES="$EXTRAPACKAGES ccache"
else
    EXTRAPACKAGES="$EXTRAPACKAGES ccache-"
fi

if [ -n "$REMOVEPACKAGES" ]; then
    # FIXME this wont work if the packages have some reverse dependencies;
    # apt-get can also remove package, either with apt-get remove or purge, or
    # with apt-get install name-of-pkg- (i.e. a minus sign after the package
    # name)
    $CHROOTEXEC /usr/bin/dpkg --purge $REMOVEPACKAGES
fi
recover_aptcache
$CHROOTEXEC /usr/bin/apt-get -q -y "${APTGETOPT[@]}" "${FORCE_CONFNEW[@]}" dist-upgrade
$CHROOTEXEC /usr/bin/apt-get -q -y "${APTGETOPT[@]}" install \
    build-essential \
    dpkg-dev \
    $EXTRAPACKAGES
save_aptcache

executehooks "E"
umountproc
$CHROOTEXEC /usr/bin/apt-get clean || true
$TRAP cleanbuildplace_trap exit sighup

# 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
    :
else
    :
    cleanbuildplace
fi
trap - exit sighup
exit 0