Merge pull request #4149 from urbit/la/fix-push-hook

push-hook: push out facts to each path only a single time

pkg/arvo/app/graph-store.hoon

@@ -297,13 +297,8 @@
       |^
       =/  [=graph:store mark=(unit mark:store)]
         (~(got by graphs) resource)
-      ::  TODO: turn back on assertion once issue with 8-10x facts being
-      ::  issued is resolved. Too noisy for now
-      ::
-      ::  ~|  "cannot add duplicate nodes to {<resource>}"
-      ::  ?<  (check-for-duplicates graph ~(key by nodes))
-      ?:  (check-for-duplicates graph ~(key by nodes))
-        [~ state]
+      ~|  "cannot add duplicate nodes to {<resource>}"
+      ?<  (check-for-duplicates graph ~(key by nodes))
       =/  =update-log:store  (~(got by update-logs) resource)
       =.  update-log
         (put:orm-log update-log time [%0 time [%add-nodes resource nodes]])

pkg/arvo/lib/push-hook.hoon

@@ -268,7 +268,6 @@
         %+  weld
           (push-updates:hc q.cage.sign)
         cards
-
       ==
       ++  on-leave
         |=  =path
@@ -374,6 +373,8 @@
     =/  prefix=path
       resource+(en-path:resource u.rid)
     =/  paths=(list path)
+      %~  tap  in
+      %-  silt
       %+  turn
         (incoming-subscriptions prefix)
       |=([ship pax=path] pax)