#!/bin/sh
# Copyright © 2005-2010  Roger Leigh <rleigh@debian.org>
#
# schroot 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 3 of the License, or
# (at your option) any later version.
#
# schroot 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, see
# <http://www.gnu.org/licenses/>.
#
#####################################################################

set -e

. "$SETUP_DATA_DIR/common-data"
. "$SETUP_DATA_DIR/common-functions"
. "$SETUP_DATA_DIR/common-config"

# Plain chroots should not be able to use scripts, but check anyway to
# be safe.
if [ $CHROOT_TYPE = "plain" ]; then
    fatal "plain chroots may not run setup scripts; use directory instead"
fi

# Skip if run at inappropriate point.
if [ $STAGE = "setup-start" ] || [ $STAGE = "setup-recover" ] && [ "$(basename "$0")" = "99check" ]; then
    exit 0;
elif [ $STAGE = "setup-stop" ] && [ "$(basename "$0")" = "00check" ]; then
    exit 0;
fi

info "STAGE=$STAGE"
info "STATUS=$STATUS"
if [ "$VERBOSE" = "verbose" ]; then
    env | sort
fi

# A basic safety check, so that the root filesystem doesn't get
# toasted by accident.
if [ -z "$CHROOT_PATH" ] \
    || [ "$CHROOT_PATH" = "/" ] \
    || ( [ -z "$CHROOT_UNION_TYPE" ] \
         && [ "$CHROOT_DIRECTORY" = "/" ] ) \
    || [ "$CHROOT_UNION_OVERLAY_DIRECTORY" = "/" ]
then
    fatal "Invalid chroot mount path or directory"
fi