#!/bin/sh
# Copyright © 2020  	Georgy Yakovlev <gyakovlev@gentoo.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"

if [ "$VERBOSE" = "verbose" ]; then
	VERBOSE_OPT="true"
fi

if [ "${PORTAGE_BASE_TMPDIR+set}" = "set" ] ; then
	if [ "$STAGE" = "setup-start" ]; then
		if [ ! -d "$PORTAGE_BASE_TMPDIR" ]; then
			fatal "$PORTAGE_BASE_TMPDIR does not exist or not a directory"
		fi
		if [ "x$SESSION_ID" = x ]; then
			fatal "SESSION_ID is not set"
		fi
		if [ ! -d "$PORTAGE_BASE_TMPDIR/schroot-$SESSION_ID" ]; then
			mkdir ${VERBOSE_OPT+-v} \
				"$PORTAGE_BASE_TMPDIR/schroot-$SESSION_ID"
		fi
		mkdir -p ${VERBOSE_OPT+-v} "$CHROOT_MOUNT_LOCATION/var/tmp/portage"
		mount --make-private -o bind ${VERBOSE_OPT+-v}\
			"$PORTAGE_BASE_TMPDIR/schroot-$SESSION_ID" \
			"$CHROOT_MOUNT_LOCATION/var/tmp/portage"

	elif [ "$STAGE" = "setup-stop" ]; then
		if [ "$CHROOT_SESSION_PURGE" = true ] || \
		[ "${CHROOT_NAME/#*_master/m}" = "m" ]; then
			umount ${VERBOSE_OPT+-v} \
				"$CHROOT_MOUNT_LOCATION/var/tmp/portage"
			if [ -d "$PORTAGE_BASE_TMPDIR/schroot-$SESSION_ID" ]; then
				 if [ "x$SESSION_ID" != x ]; then
				 	rm -fr ${VERBOSE_OPT+-v} \
						"$PORTAGE_BASE_TMPDIR/schroot-$SESSION_ID"
				fi
			fi
		fi

	fi
fi