Fix source path from host

bin/volume.php

@@ -47,7 +47,7 @@ function getHostSource() {
   $container = readContainerConfig();
   foreach ($container['Mounts'] as $mount) {
     if (strpos($currentDir, $mount['Destination']) === 0) {
-      return $mount['Source'];
+      return $mount['Source'] . str_replace($mount['Destination'], '', $currentDir);
     }
   }
   return 'unknown';