jfs.subr

# movedata $1-from $2-to
mvdata()
{
local _src _dst

    [ -z "$1" -o -z "$2" ] && err 1 "mvdata: empty arguments"

    _src=$1
    _dst=$2

    [ -d "${_dst}" ] && err 1 "${_dst} directory exist. Please remove them first"

    if [ "${zfsfeat}" = "0" ]; then
	mv ${_src} ${_dst}
	return 0
    fi

    . $zfstool

    zfsmnt "${_src}"
    _res=$?

    case $_res in
	0)
		echo "Switch to ZFS pool"
		zfsmnt ${workdir}
		zfs create -o atime=off -o mountpoint=${_dst} "${ZPOOL}${_dst}"
		zfs mount "${ZPOOL}${_dst}"
		mkdir ${_dst}
#		cd ${_src} && pax -p eme -X -rw . ${_dst} && chflags -R noschg ${_src} && rm -rf ${_src}
		cd ${_src} && pax -p eme -rw . ${_dst} && chflags -R noschg ${_src} && rm -rf ${_src}
		;;
	1)
		zfs umount -f ${_src} > /dev/null 2>&1
		zfs set mountpoint=${_dst} ${ZPOOL}
		zfs mount ${ZPOOL}
		rmdir ${_src}
		;;
	2)
		zfs set mountpoint=${_dst} ${ZPOOL}
		zfs mount ${ZPOOL}
		rmdir ${_src}
		;;
    esac

return 0
}


# clone data
# mode = cp, rsync, rsyncforce (no warning for existance TO dir)
# #clonedata /usr/jails/jails-data/jail1-data /mn rsync
clonedata()
{
local _src _dst _mode _go _force _zpool

    [ -z "$1" -o -z "$2" -o -z "$3"  ] && err 1 "clonedata: empty arguments"
    [ -z "${jname}" ] && err 1 "No jname"

    _src=$1
    _dst=$2
    _mode=$3
    _force=0

    case "${_mode}" in
	"cp") _go="/bin/cp -Rp " ;;
	"rsync") _go="/usr/local/bin/rsync -avz --delete " ;;
	"rsyncforce") _go="/usr/local/bin/rsync -avz --delete "; _force=1 ;;
	*) err 1 "Unsupported mode" ;;
    esac

    [ -d "${_dst}" -a ${_force} -eq 0 ] && err 1 "${_dst} directory exist. Please remove them"

    . ${zfstool}

    if [ ! -d "${_dst}" ]; then
	if [ $zfsfeat -eq 1 ]; then
	    _zpool=`zfs list ${jaildatadir} |tail +2 |awk '{printf $1}'`
	    zfs create -o atime=off -o mountpoint=${_dst} ${_zpool}/${jname}
	    zfs mount ${_zpool}/${jname}
	else
	    mkdir -p ${_dst}
	fi
    fi

    ${_go} ${_src}/* ${_dst}/
}

# remove data from disk
# $jname must be set
removedata()
{
    local _data

    [ -z "$1"  ] && err 1 "removedata: empty arguments"
    [ -z "${jname}"  ] && err 1 "removedata: jname variable must be set"

    _data=$1

    [ ! -d "${_data}" ] && return 0

    if [ $zfsfeat -eq 1 ]; then
	. $zfstool
	unmountdata ${_data}
	zfs destroy -r "${ZPOOL}"
	[ -d "${_data}" ] && rmdir ${_data}
	return 0
    else
	chflags -R noschg ${_data}
	rm -rf ${_data}
    fi
}



# unmount if mount
unmountdata()
{
    local _data

    [ -z "$1" ] && err 1 "unmountdata: no arguments"
    _data=$1

    [ ! -d "${_data}" ] && return 1

    . $zfstool
    zfsmnt ${_data}

    if [ $? -eq 1 ]; then
	zfs unmount -f ${_data}
	rmdir ${_data}
    fi
}