.

go/internal/task/task.go

@@ -46,20 +46,14 @@ func Runningf(ctxp *context.Context, format string, argv ...interface{}) func(*e
 func running(ctxp *context.Context, name string) func(*error) {
 	ctx := taskctx.Running(*ctxp, name)
 	*ctxp = ctx
-        log.Depth(2).Info(ctx, "start") // XXX log -> trace
+	log.Depth(2).Info(ctx, "[") // XXX log -> trace, don't put ":" before "["
 
 	return func(errp *error) {
-                if *errp != nil {
-                        // XXX is it good idea to log to error here? (not in above layer)
-                        // XXX what is error here could be not so error above
-                        // XXX or we still want to log all errors - right?
-			//
-			// -> yes, we do want to trace unconditionally when a task is finished
-			// here it is tracing, just with trace sink being hardcoded to log.
-                        log.Depth(1).Warning(ctx, "## ", *errp)   // XXX "##" temp
-                } else {
-                        log.Depth(1).Info(ctx, "done")
+		err := ""
+		if e := *errp; e != nil {
+			err = fmt.Sprintf(" (%s)", e)
 		}
+		log.Depth(1).Info(ctx, "]" + err) // XXX log -> trace, don't put ":" before "]"
 
 		// NOTE not *ctxp here - as context pointed by ctxp could be
 		// changed when this deferred function is run