Windows fixes

helpers.js

@@ -198,8 +198,6 @@ module.exports.executeMount = (directory, version, storageType, location, noCons
       clearTimeout(timeout);
       exitCallback(code, pid);
     });
-
-    process.unref();
   });
 };
 
@@ -466,6 +464,22 @@ module.exports.stopMountProcess = (directory, version, storageType) => {
         Code: code,
       });
     });
-    process.unref();
   });
+};
+
+module.exports.stopMountProcessSync = (directory, version, storageType) => {
+  const processOptions = {
+    detached: true,
+    shell: true,
+    windowsHide: true,
+  };
+
+  const command = path.join(directory, version, (os.platform() === 'win32') ? 'repertory.exe' : 'repertory');
+  const args = ['-unmount'];
+  if (Constants.PROVIDER_ARG[storageType.toLowerCase()].length > 0) {
+    args.push(Constants.PROVIDER_ARG[storageType.toLowerCase()]);
+  }
+
+  const process = new spawn(command, args, processOptions);
+  process.unref();
 };