Fixed #83: don't pass unchanged files to the chunk downloader

src/duplicacy_backupmanager.go

@@ -749,6 +749,7 @@ func (manager *BackupManager) Restore(top string, revision int, inPlace bool, qu
     i := 0
     for _, entry := range remoteSnapshot.Files {
 
+        skipped := false
         // Find local files that don't exist in the remote snapshot
         for i < len(localSnapshot.Files) {
             local := localSnapshot.Files[i]
@@ -760,11 +761,18 @@ func (manager *BackupManager) Restore(top string, revision int, inPlace bool, qu
             } else {
                 if compare == 0 {
                     i++
+                    if quickMode && local.IsSameAs(entry) {
+                        skipped = true
+                    }
                 }
                 break
             }
         }
 
+        if skipped {
+            continue
+        }
+
         fullPath := joinPath(top, entry.Path)
         if entry.IsLink() {
             stat, err := os.Lstat(fullPath)