Emit events for building images

Signed-off-by: Felix Fontein <felix@fontein.de>

pkg/compose/build.go

@@ -156,11 +156,16 @@ func (s *composeService) build(ctx context.Context, project *types.Project, opti
 		}
 		service := serviceToBuild.service
 
+		cw := progress.ContextWriter(ctx)
+		serviceName := fmt.Sprintf("Service %s", name)
+
 		if !buildkitEnabled {
+			cw.Event(progress.BuildingEvent(serviceName))
 			id, err := s.doBuildClassic(ctx, project, service, options)
 			if err != nil {
 				return err
 			}
+			cw.Event(progress.BuiltEvent(serviceName))
 			builtDigests[getServiceIndex(name)] = id
 
 			if options.Push {
@@ -178,10 +183,12 @@ func (s *composeService) build(ctx context.Context, project *types.Project, opti
 			return err
 		}
 
+		cw.Event(progress.BuildingEvent(serviceName))
 		digest, err := s.doBuildBuildkit(ctx, name, buildOptions, w, nodes)
 		if err != nil {
 			return err
 		}
+		cw.Event(progress.BuiltEvent(serviceName))
 		builtDigests[getServiceIndex(name)] = digest
 
 		return nil

pkg/compose/build_buildkit.go

@@ -70,11 +70,6 @@ func (s composeService) dryRunBuildResponse(ctx context.Context, name string, op
 	w := progress.ContextWriter(ctx)
 	buildResponse := map[string]*client.SolveResponse{}
 	dryRunUUID := fmt.Sprintf("dryRun-%x", sha1.Sum([]byte(name)))
-	w.Event(progress.Event{
-		ID:     " ",
-		Status: progress.Done,
-		Text:   fmt.Sprintf("build service %s", name),
-	})
 	w.Event(progress.Event{
 		ID:     "==>",
 		Status: progress.Done,

pkg/progress/event.go

@@ -153,6 +153,16 @@ func RemovedEvent(id string) Event {
 	return NewEvent(id, Done, "Removed")
 }
 
+// BuildingEvent creates a new Building in progress Event
+func BuildingEvent(id string) Event {
+	return NewEvent(id, Working, "Building")
+}
+
+// BuiltEvent creates a new built (done) Event
+func BuiltEvent(id string) Event {
+	return NewEvent(id, Done, "Built")
+}
+
 // SkippedEvent creates a new Skipped Event
 func SkippedEvent(id string, reason string) Event {
 	return Event{