fix codestyle

lib/options_parser.js

@@ -5,7 +5,8 @@ var program = require('commander');
 program
     .version(require('../package.json').version)
     .usage('[options] [file ...]')
-    .option('--remote-host <remote_host>', 'setting the remote host for a tail over ssh ( e.g: 192.168.0.2 )', String, null)
+    .option('--remote-host <remote_host>', 'setting the remote host for a tail over ssh ( e.g: 192.168.0.2 )', String,
+        null)
     .option('--remote-user <remote_user>', 'setting the remote user for a tail over ssh, default: root', String, 'root')
     .option('--remote-port <remote_port>', 'setting the remote port for a tail over ssh, default 22', Number, 22)
     .option('-h, --host <host>', 'listening host, default 0.0.0.0', String, '0.0.0.0')

lib/tail.js

@@ -12,13 +12,24 @@ var Tail = function (path, options) {
     this._buffer = new CBuffer(options.buffer);
     var tail;
 
-    if(options && options.sshOptions && options.sshOptions.remoteHost) {
-        var args = [options.sshOptions.remoteUser+'@'+options.sshOptions.remoteHost,'-p', options.sshOptions.remotePort, '-t', 'tail -f '+path];
+    if (options && options.sshOptions && options.sshOptions.remoteHost) {
+        var args = [options.sshOptions.remoteUser + '@' + options.sshOptions.remoteHost, '-p',
+            options.sshOptions.remotePort, 'tail -f ' + path];
         tail = spawn('ssh', args);
     } else {
         tail = spawn('tail', ['-n', options.buffer, '-F', path]);
     }
 
+    tail.on('close', function () {
+        //kill the process if the tail is closed
+        process.exit();
+    });
+
+    tail.stderr.on('data', function (data) {
+        //if there is any error then display it in the console.
+        console.error(data.toString());
+    });
+
     tail.stdout.on('data', function (data) {
         var lines = data.toString('utf-8').split('\n');
         lines.pop();

test/connect_builder.js

@@ -31,7 +31,7 @@ describe('connectBuilder', function () {
             .expect(200, 'secret!', done);
     });
 
-    it('should build app that setup session', function (done)  {
+    it('should build app that setup session', function (done) {
         var app = connectBuilder().session('secret', 'sessionkey').build();
         app.use(function (req, res) {
             res.end();