#22: Display error if daemon version is too low

src/containers/MountItems/MountItems.js

@@ -95,18 +95,24 @@ class MountItems extends IPCContainer {
       let allowAction = true;
       if (mount) {
         let result = this.sendSyncRequest(Constants.IPC_Check_Daemon_Version, {
+          Directory: this.props.directory,
           StorageType: storageType,
           Version: this.props.version
         });
         if (result.Success) {
-          if (this.props.platform !== 'win32') {
-            result = this.sendSyncRequest(Constants.IPC_Check_Mount_Location, {
-              Location: location,
-            });
-            if (!result.Success) {
-              allowAction = false;
-              this.props.errorHandler(result.Error.toString());
+          if (result.Valid) {
+            if (this.props.platform !== 'win32') {
+              result = this.sendSyncRequest(Constants.IPC_Check_Mount_Location, {
+                Location: location,
+              });
+              if (!result.Success) {
+                allowAction = false;
+                this.props.errorHandler(result.Error.toString());
+              }
             }
+          } else {
+            allowAction = false;
+            this.props.errorHandler("Incompatible " + storageType + " daemon. Please upgrade " + storageType);
           }
         } else {
           allowAction = false;

src/helpers.js

@@ -16,6 +16,34 @@ const tryParse = (j, def) => {
   }
 };
 
+module.exports.checkDaemonVersion = (directory, version, storageType) => {
+  return new Promise((resolve, reject) => {
+    const processOptions = {
+      detached: true,
+      shell: false,
+      windowsHide: true,
+    };
+
+    const command = path.join(directory, version, (os.platform() === 'win32') ? 'repertory.exe' : 'repertory');
+    const args = [];
+    args.push('-cv');
+    if (Constants.PROVIDER_ARG[storageType.toLowerCase()].length > 0) {
+      args.push(Constants.PROVIDER_ARG[storageType.toLowerCase()]);
+    }
+
+    const process = new spawn(command, args, processOptions);
+
+    process.on('error', err => {
+      reject(err);
+    });
+
+    process.on('exit', code => {
+      resolve(code);
+    });
+    process.unref();
+  });
+};
+
 module.exports.createSignatureFiles = (signature, publicKey) => {
   const fileName1 = RandomString.generate({
     length: 12,