closes #6200

install/web.js

@@ -10,6 +10,7 @@ var less = require('less');
 var async = require('async');
 var uglify = require('uglify-js');
 var nconf = require('nconf');
+var _ = require('lodash');
 var Benchpress = require('benchpressjs');
 
 var app = express();
@@ -103,14 +104,15 @@ function welcome(req, res) {
 }
 
 function install(req, res) {
+	var setupEnvVars = _.assign({}, process.env);
 	for (var i in req.body) {
 		if (req.body.hasOwnProperty(i) && !process.env.hasOwnProperty(i)) {
-			process.env[i.replace(':', '__')] = req.body[i];
+			setupEnvVars[i.replace(':', '__')] = req.body[i];
 		}
 	}
 
 	var child = require('child_process').fork('app', ['--setup'], {
-		env: process.env,
+		env: setupEnvVars,
 	});
 
 	child.on('close', function (data) {

src/database/redis.js

@@ -37,19 +37,22 @@ redisModule.questions = [
 ];
 
 redisModule.init = function (callback) {
-	redisClient = redisModule.connect();
+	callback = callback || function () { };
+	redisClient = redisModule.connect({}, function (err) {
+		if (err) {
+			winston.error('NodeBB could not connect to your Redis database. Redis returned the following error', err);
+			return callback(err);
+		}
+		redisModule.client = redisClient;
 
-	redisModule.client = redisClient;
+		require('./redis/main')(redisClient, redisModule);
+		require('./redis/hash')(redisClient, redisModule);
+		require('./redis/sets')(redisClient, redisModule);
+		require('./redis/sorted')(redisClient, redisModule);
+		require('./redis/list')(redisClient, redisModule);
 
-	require('./redis/main')(redisClient, redisModule);
-	require('./redis/hash')(redisClient, redisModule);
-	require('./redis/sets')(redisClient, redisModule);
-	require('./redis/sorted')(redisClient, redisModule);
-	require('./redis/list')(redisClient, redisModule);
-
-	if (typeof callback === 'function') {
 		callback();
-	}
+	});
 };
 
 redisModule.initSessionStore = function (callback) {
@@ -66,7 +69,8 @@ redisModule.initSessionStore = function (callback) {
 	}
 };
 
-redisModule.connect = function (options) {
+redisModule.connect = function (options, callback) {
+	callback = callback || function () {};
 	var redis_socket_or_host = nconf.get('redis:host');
 	var cxn;
 
@@ -88,7 +92,11 @@ redisModule.connect = function (options) {
 
 	cxn.on('error', function (err) {
 		winston.error(err.stack);
-		process.exit(1);
+		callback(err);
+	});
+
+	cxn.on('ready', function () {
+		callback();
 	});
 
 	if (nconf.get('redis:password')) {
@@ -99,7 +107,7 @@ redisModule.connect = function (options) {
 	if (dbIdx >= 0) {
 		cxn.select(dbIdx, function (err) {
 			if (err) {
-				winston.error('NodeBB could not connect to your Redis database. Redis returned the following error', err);
+				winston.error('NodeBB could not select Redis database. Redis returned the following error', err);
 				throw err;
 			}
 		});

src/install.js

@@ -157,16 +157,17 @@ function completeConfigSetup(config, next) {
 		}
 	}
 
+	nconf.overrides(config);
 	async.waterfall([
-		function (next) {
-			install.save(config, next);
-		},
 		function (next) {
 			require('./database').init(next);
 		},
 		function (next) {
 			require('./database').createIndices(next);
 		},
+		function (next) {
+			install.save(config, next);
+		},
 	], next);
 }
 
@@ -523,7 +524,7 @@ install.setup = function (callback) {
 	], function (err, results) {
 		if (err) {
 			winston.warn('NodeBB Setup Aborted.\n ' + err.stack);
-			process.exit();
+			process.exit(1);
 		} else {
 			var data = {};
 			if (results[6]) {