From f2814fa6fb83b51995ea7bfe5fef86e31e2c476d Mon Sep 17 00:00:00 2001
From: Kyle Dixler <kyle@pulumi.com>
Date: Mon, 12 Dec 2022 12:15:35 -0800
Subject: [PATCH] fix negative durations in update display

---
 pkg/backend/display/progress.go | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/pkg/backend/display/progress.go b/pkg/backend/display/progress.go
index 89296a03b11c..f1bac6d3d749 100644
--- a/pkg/backend/display/progress.go
+++ b/pkg/backend/display/progress.go
@@ -862,6 +862,9 @@ func (display *ProgressDisplay) processNormalEvent(event engine.Event) {
 		// and time elapsed.
 		display.opStopwatch.start[step.URN] = time.Now()
 
+		// Clear out potential event end timings for prior operations on the same resource.
+		delete(display.opStopwatch.end, step.URN)
+
 		row.SetStep(step)
 	} else if event.Type == engine.ResourceOutputsEvent {
 		isRefresh := display.getStepOp(row.Step()) == deploy.OpRefresh