Add previous state to state machine transition log

codex-storage · Dec 19, 2023 · 5777bb7 · 5777bb7
1 parent a83ef5c
commit 5777bb7
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/codex/utils/asyncstatemachine.nim b/codex/utils/asyncstatemachine.nim
@@ -73,8 +73,9 @@ proc scheduler(machine: Machine) {.async.} =
       if next =? event(machine.state):
         if not running.isNil and not running.finished:
           await running.cancelAndWait()
+        let fromState = if machine.state.isNil: "<none>" else: $machine.state
         machine.state = next
-        debug "enter state", state = machine.state
+        debug "enter state", state = machine.state, fromState
         running = machine.run(machine.state)
         running
           .track(machine)