Merge pull request #1056 from urbit/ford-zap-dot

!: in Ford, except inner loops

sys/vane/ford.hoon

@@ -1,5 +1,5 @@
 ::  ford: build system vane
-::
+!:
 ::    Ford is a functional reactive build system.
 ::
 ::    A Ford build is a function of the Urbit namespace and a date that
@@ -1771,7 +1771,7 @@
   ::    to wake us up immediately. This has the advantage that Ford stops hard
   ::    blocking the main Urbit event loop, letting other work be done.
   ::
-  ++  execute-loop
+  ++  execute-loop  !.
     ~/  %execute-loop
     |=  builds=(set build)
     ^+  ..execute
@@ -1808,7 +1808,7 @@
   ::    should run the candidate build this cycle through the +execute loop, we
   ::    place it in :next-builds. +gather runs until it has no more candidates.
   ::
-  ++  gather
+  ++  gather  !.
     ~/  %gather
     |=  [builds=(set build) force=?]
     ^+  ..execute
@@ -2080,7 +2080,7 @@
   ::    +build-receipts. It is in +reduce where we take these +build-receipts
   ::    and apply them to ..execute.
   ::
-  ++  reduce
+  ++  reduce  !.
     ~/  %reduce
     |=  build-receipts=(list build-receipt)
     ^+  ..execute