feat(log): log autoupdate info

package.json

@@ -81,6 +81,7 @@
     "debug": "^3.1.0",
     "diskusage": "^0.2.4",
     "electron-context-menu": "^0.9.1",
+    "electron-log": "^2.2.14",
     "electron-updater": "^2.20.1",
     "fs-jetpack": "^1.2.0",
     "iconv-lite": "^0.4.19",

src/background/background.js

@@ -57,7 +57,8 @@ const logFile = fs.createWriteStream(app.getPath("userData") + '/rats.log', {fla
 const logStdout = process.stdout;
 
 console.log = (...d) => {
-  logFile.write(util.format(...d) + '\n');
+  const date = (new Date).toLocaleTimeString()
+  logFile.write(`[${date}] ` + util.format(...d) + '\n');
   logStdout.write(util.format(...d) + '\n');
 };
 
@@ -232,6 +233,16 @@ const startSphinx = (callback) => {
   }
 }
 
+// log autoupdate
+const log = require('electron-log')
+log.transports.file.level = false;
+log.transports.console.level = false;
+log.transports.console = function(msg) {
+  const text = util.format.apply(util, msg.data);
+  console.log(text);
+};
+autoUpdater.logger = log;
+
 autoUpdater.on('update-downloaded', () => {
   console.log('update-downloaded lats quitAndInstall');
   if (env.name === "production") {