fix swarm spawn

lib/processes/storageProcesses/swarm.js

@@ -1,6 +1,7 @@
 const child_process = require('child_process');
 const ProcessWrapper = require('../../process/processWrapper');
 const constants = require('../../constants');
+const fs = require('../../core/fs');
 
 let swarmProcess;
 
@@ -20,15 +21,27 @@ class SwarmProcess extends ProcessWrapper {
     if (self.webServerConfig && self.webServerConfig && self.webServerConfig.host  && self.webServerConfig.port) {
       corsDomain = `http://${self.webServerConfig.host}:${self.webServerConfig.port}`;
     }
-    const child = child_process.spawn(this.storageConfig.swarmPath || 'swarm',
-      [
-        `--bzzaccount ${this.storageConfig.account.address}`,
-        `--password ${this.storageConfig.account.password}`,
-        `--corsdomain ${corsDomain}`,
-        "--ens-api ''"
-      ]);
+
+    const args = [
+        `--bzzaccount=${this.storageConfig.account.address}`,
+        `--password=${fs.dappPath(this.storageConfig.account.password)}`,
+        `--corsdomain=${corsDomain}`,
+        `--ens-api=''`
+      ];
+    const child = child_process.spawn(this.storageConfig.swarmPath || 'swarm', args, {shell: true});
+
+    child.on('error', (err) => {
+      err = err.toString();
+      console.error('Swarm error: ', err);
+    });
     let lastMessage;
+    child.stdout.on('data', (data) => {
+      data = data.toString();
+      console.log(`Swarm error: ${data}`);
+    });
+    // Geth logs appear in stderr somehow
     child.stderr.on('data', (data) => {
+      data = data.toString();
       if (!self.readyCalled && data.indexOf('Swarm http proxy started') > -1) {
         self.readyCalled = true;
         self.send({result: constants.storage.initiated});
@@ -39,7 +52,9 @@ class SwarmProcess extends ProcessWrapper {
     child.on('exit', (code) => {
       if (code) {
         console.error('Swarm exited with error code ' + code);
-        console.error(lastMessage);
+        if (lastMessage) {
+          console.error(lastMessage);
+        }
       }
     });
   }