Handle release unavailable

public/electron.js

@@ -72,6 +72,12 @@ function setWindowVisibility(show) {
 }
 
 const unmountAllDrives = () => {
+  // Reset mount states
+  for (const provider of Constants.PROVIDER_LIST) {
+    clearManualMountDetection(provider);
+    expectedUnmount[provider] = true;
+  }
+
   // Unmount all items
   for (const i in mountedLocations) {
     const data = mountedData[mountedLocations[i]];
@@ -898,16 +904,21 @@ ipcMain.on(Constants.IPC_Show_Window + '_sync', event => {
   event.returnValue = true;
 });
 
+ipcMain.on(Constants.IPC_Unmount_All_Drives, (event, data) => {
+  unmountAllDrives();
+  standardIPCReply(event, Constants.IPC_Unmount_All_Drives_Reply);
+});
+
 ipcMain.on(Constants.IPC_Unmount_Drive, (event, data) => {
   clearManualMountDetection(data.Provider);
 
   expectedUnmount[data.Provider] = true;
   helpers
     .stopMountProcess(data.Version, data.Provider)
-    .then((result)=> {
+    .then(result => {
       console.log(result);
     })
-    .catch((e) => {
+    .catch(e => {
       console.log(e);
     });
 });