eval $(getvars build_dir changes_dir work_dir)

local -a mount_opts
mount_opts=(
	lowerdir=${1//=/\\=}
	upperdir=${changes_dir//=/\\=}
	workdir=${work_dir//=/\\=}
)

printf '%s\n' "overlay	${build_dir:A}	overlay	${(j:,:)mount_opts}	0 0"
# vim: fileencoding=utf8 ft=zsh noet sw=4 ts=4 sts=4