#! /bin/sh

set -e

usage() {
	_exit_code=${1-1}
	echo "usage: $0 [-d DEST_MOUTPOINT] [-o RELEASEDIR]"
	exit ${_exit_code}
}

unset DESTDIR RELEASEDIR
while getopts "d:ho:" c; do
	case "$c" in
		d) DESTDIR=$OPTARG
			;;
		h) usage 0
			;;
		o) RELEASEDIR=$OPTARG
			;;
	esac
done

_setup_destdir() {
        mount | cut -d ' ' -f 3 | grep -q "^${1}$" && {
                echo "Mountpoint ${1} already mounted..." >&2
                exit 1
        }
        test -d "${1}" || {
                echo "Mountpoint ${1} does not exist..." >&2
                exit 1
        }
        mount_mfs -o noperm -s $((812 * 512 * 4)) swap "${1}"
        chown build "${1}"
        chmod 700 "${1}"
}

_cleanup_destdir() {
	local _mp_destdir=$1
        test -n "${_mp_destdir}" && umount "${_mp_destdir}"
}

# Only root
_uid=$(id -u)
if [ ${_uid} -ne 0 ]; then
        echo "Requires root credentials to go on..." >&2
        exit 1
fi

# Find the xenocara sources
if [ -e /etc/mk.conf ]; then
	XSRCDIR=${XSRCDIR:-`make -f /etc/mk.conf -V XSRCDIR`}
fi
XSRCDIR=${XSRCDIR:=/usr/xenocara}

# Find out which release directory we are going to use
_release=$(uname -r)
# Must be on a snapshot if no Tag file exists in CVS
if [ \! -e "${XSRCDIR}/CVS/Tag" ]; then
        _release=snapshots
fi

_arch=$(uname -m)
DESTDIR=${DESTDIR-/release}
RELEASEDIR=${RELEASEDIR-/var/www/htdocs/pub/OpenBSD/${_release}/${_arch}}

export DESTDIR
export RELEASEDIR

mkdir -p "${RELEASEDIR}"
chown build.wheel "${RELEASEDIR}"
_setup_destdir "${DESTDIR}"
trap "_cleanup_destdir '${DESTDIR}'" EXIT

cd "${XSRCDIR}" && nice make release checkdist
RESULT=$?

if [ -f ${RELEASEDIR}/SHA256 ]; then
	cp ${RELEASEDIR}/SHA256{,.xenocara}
	if [ -f ${RELEASEDIR}/SHA256.base ]; then
		cat ${RELEASEDIR}/SHA256.{base,xenocara} > ${RELEASEDIR}/SHA256
	fi
fi

unset RELEASEDIR DESTDIR

exit ${RESULT}