libstore: remove Goal::WaitForWorld

have DerivationGoal and its subclasses produce a wrapper promise for
their intermediate results instead, and return this wrapper promise.
Worker already handles promises that do not complete immediately, so
we do not have to duplicate this into an entire result type variant.

Change-Id: Iae8dbf63cfc742afda4d415922a29ac5a3f39348

1 files changed, 0 insertions, 4 deletions

diff --git a/src/libstore/build/goal.hh b/src/libstore/build/goal.hh
index e7a500a00..7933fbc31 100644
--- a/src/libstore/build/goal.hh
+++ b/src/libstore/build/goal.hh
@@ -115,9 +115,6 @@ public:
 
     struct [[nodiscard]] StillAlive {};
     struct [[nodiscard]] ContinueImmediately {};
-    struct [[nodiscard]] WaitForWorld {
-        kj::Promise<Outcome<void, Finished>> promise;
-    };
     struct [[nodiscard]] Finished {
         ExitCode exitCode;
         BuildResult result;
@@ -131,7 +128,6 @@ public:
     struct [[nodiscard]] WorkResult : std::variant<
                                           StillAlive,
                                           ContinueImmediately,
-                                          WaitForWorld,
                                           Finished>
     {
         WorkResult() = delete;