hammer.subr

if [ ! "$_CBSD_HAMMER_SUBR" ]; then
_CBSD_HAMMER_SUBR=1
###

#v10.0.0
# return 0 if $1 is not valid Hammer mountpoint
# return 1 if $1 is valid Hammer mountpoint and mounted
# return 2 if $1 is valid Hammer mountpoint and not mounted
# if  hammermnt /mnt; then
#    echo " not hammer (mounted or not) mountpoint"
# fi
# export ZPOOL for name Hammer for $1 mountpoint
hammermnt() {
	local _A

	ZPOOL=$(/sbin/hammer list -Ho name,mountpoint | while read _name _mnt; do
		[ "${_mnt}" = "${1}" ] && echo ${_name} && exit 2
	done)

	if [ $? -eq 2 ]; then
		#    Check for mounted
		_A=$( /sbin/hammer get -Ho value mounted ${ZPOOL} )
		[ "${_A}" = "yes" ] && return 1
		return 2
	else
		return 0
	fi
}

# return 0 if $1 is not valid Hammer filesystem
# return 1 if $1 is valid Hammer mountpoint and mounted
# return 2 if $1 is valid Hammer mountpoint and not mounted
# if  hammerfs /mnt; then
#    echo " not hammer (mounted or not) mounted"
# fi
hammerfs() {
	local _A

	_A=$( /sbin/hammer list -Ho name | while read _name; do
		[ "${_name}" = "${1}" ] && exit 2
	done)

	if [ $? -eq 2 ]; then
		#    Check for mounted
		_A=$( /sbin/hammer get -Ho value mounted ${1} )
		[ "${_A}" = "yes" ] && return 1
		return 2
	else
		return 0
	fi
}

# export zmnt if $zroot exist, return 1
getmnt() {
	local _res

	[ -z "$1" ] && return 1
	zmnt=$( /sbin/hammer get -Ho value mountpoint ${1} )
	return $?
}

# return 0 if ${ZPOOL}/$1 hammer source exist
# if hammerroot jail1; then
# echo "zroot/$jail1 exist
# fi
hammerroot() {
	[ -z "$1" ] && return 0

	/sbin/hammer list -H -o name | while read _mnt; do
		[ "$_mnt" = "${ZPOOL}/${1}" ] && exit 0
	done

	return $?
}


# $1 - oldjname
# $2 - newjname
hammer_snapshot_rename()
{
	local _fs _jname _mod _snapname _oldjname _newjname
	_oldjname="$1"
	_newjname="$2"

	[ -z "${_oldjname}" -o -z "${_newjname}" ] && return 0

	# [ -n "${_oldjname}" ] && _mod="${ZPOOL}/${_oldjname}"
	_mod="${ZPOOL}"

	for _fs in $( /sbin/hammer list -H -r -t snapshot -o name ${_mod} 2>/dev/null ); do
		_jname=$( /sbin/hammer get -H -o value -s local cbsdsnap:jname "${_fs}" 2>/dev/null )
		[ -z "${_jname}" ] && continue
		[ -n "${_oldjname}" -a "${_oldjname}" != "${_jname}" ] && continue
		_snapname=$( /sbin/hammer get -H -o value -s local cbsdsnap:snapname "${_fs}" 2>/dev/null )
		[ -z "${_snapname}" ] && continue
		/sbin/hammer set cbsdsnap:jname=${_newjname} ${ZPOOL}@${_snapname}
		# ${ECHO} "${MAGENTA}Hammer snapshot renamed: ${GREEN}${_snapname}${NORMAL}"
	done
}

###
fi