fixed #1025

app.js

@@ -62,10 +62,17 @@ winston.info('This program comes with ABSOLUTELY NO WARRANTY.');
 winston.info('This is free software, and you are welcome to redistribute it under certain conditions.');
 winston.info('');
 
+// Alternate configuration file support
+var	configFile = __dirname + '/config.json',
+	configExists;
+if (nconf.get('config')) {
+	configFile = path.join(__dirname, nconf.get('config'));
+}
+configExists = fs.existsSync(configFile);
 
-if (!nconf.get('help') && !nconf.get('setup') && !nconf.get('install') && !nconf.get('upgrade') && fs.existsSync(__dirname + '/config.json')) {
+if (!nconf.get('help') && !nconf.get('setup') && !nconf.get('install') && !nconf.get('upgrade') && configExists) {
 	start();
-} else if (nconf.get('setup') || nconf.get('install') || !fs.existsSync(__dirname + '/config.json')) {
+} else if (nconf.get('setup') || nconf.get('install') || !configExists) {
 	setup();
 } else if (nconf.get('upgrade')) {
 	upgrade();

src/install.js

@@ -447,10 +447,15 @@ var async = require('async'),
 			}
 		},
 		save: function (server_conf, client_conf, callback) {
+			var	serverConfigPath = path.join(__dirname, '../config.json');
+			if (nconf.get('config')) {
+				serverConfigPath = path.join(__dirname, '../', nconf.get('config'));
+			}
+
 			// Server Config
 			async.parallel([
 				function (next) {
-					fs.writeFile(path.join(__dirname, '../', 'config.json'), JSON.stringify(server_conf, null, 4), function (err) {
+					fs.writeFile(serverConfigPath, JSON.stringify(server_conf, null, 4), function (err) {
 						next(err);
 					});
 				},