[shotwell] Add timing output for imports

[Jens Georg <jensgeorg src gnome org>]

commit 3a0cd2e0e508700a2fb8752e4736dd7542f7bdea
Author: Jens Georg <mail jensge org>
Date:   Sun Jul 9 23:32:36 2017 +0200

    Add timing output for imports

 src/BatchImport.vala |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)
---
diff --git a/src/BatchImport.vala b/src/BatchImport.vala
index fdf2a7f..675fef0 100644
--- a/src/BatchImport.vala
+++ b/src/BatchImport.vala
@@ -327,9 +327,11 @@ public class ImportManifest {
     public Gee.List<BatchImportResult> already_imported = new Gee.ArrayList<BatchImportResult>();
     public Gee.List<BatchImportResult> corrupt_files = new Gee.ArrayList<BatchImportResult>();
     public Gee.List<BatchImportResult> all = new Gee.ArrayList<BatchImportResult>();
+    public GLib.Timer timer;
     
     public ImportManifest(Gee.List<BatchImportJob>? prefailed = null,
         Gee.List<BatchImportJob>? pre_already_imported = null) {
+        this.timer = new Timer();
         if (prefailed != null) {
             foreach (BatchImportJob job in prefailed) {
                 BatchImportResult batch_result = new BatchImportResult(job, null, 
@@ -623,6 +625,7 @@ public class BatchImport : Object {
         flush_ready_sources();
         
         log_status("Import completed: %s".printf(where));
+        debug("Import complete after %f", manifest.timer.elapsed());
         
         // report completed to the reporter (called prior to the "import_complete" signal)
         if (reporter != null)