Store the spawn digest in the execution log.
The digest is the unique identifier for a remote execution request and comes in handy when replaying the action locally for debugging (it dispenses with inspecting the grpc log).
@@ -136,4 +136,7 @@ message SpawnExec {
// Canonical label of the target that emitted this spawn, may not always be
// set.
string target_label = 18;
+
+ // A unique identifier for this Spawn.
+ Digest digest = 19;
}
