graph-push-hook: don't crash on multipart add
%- some
%+ levy ~(tap by nodes)
|= [=index:store =node:store]
+ =/ parent-index=index:store
+ (scag (dec (lent index)) index)
+ ?: (~(has by nodes) parent-index) %.y
?. =(author.post.node src.bowl)
%.n
=/ =permissions:store
%no %.n
::
%self
- =/ parent-index=index:store
- (scag (dec (lent index)) index)
=/ parent-node=node:store
(got-node:gra resource parent-index)
=(author.post.parent-node src.bowl)
