backstop remote command takes --config arg

Modified /command/remote to pass config.backstopConfigFileName to "remote" child process.

Modified Remote script to set PROJECT_PATH and PATH_TO_CONFIG on passed values only.

Author: garris

core/command/remote.js

@@ -6,15 +6,13 @@ const ssws = resolver.sync('super-simple-web-server', { basedir: __dirname });
 
 module.exports = {
   execute: function (config) {
-    logger.log('Starting remote.');
-
     const MIDDLEWARE_PATH = path.resolve(config.backstop, 'remote');
     const projectPath = path.resolve(config.projectPath);
 
     return new Promise(function (resolve, reject) {
-      logger.log(`Starting remote with: node ${ssws} ${projectPath} ${MIDDLEWARE_PATH}`);
+      logger.log(`Starting remote with: node ${ssws} ${projectPath} ${MIDDLEWARE_PATH} --config=${config.backstopConfigFileName}`);
 
-      const child = exec(`node ${ssws} ${projectPath} ${MIDDLEWARE_PATH}`);
+      const child = exec(`node ${ssws} ${projectPath} ${MIDDLEWARE_PATH} --config=${config.backstopConfigFileName}`);
 
       child.stdout.on('data', (data) => {
         logger.log(data);

remote/index.js

@@ -1,12 +1,17 @@
 /* eslint no-console: off */
 'use strict';
 
+var parseArgs = require('minimist');
+var argsOptions = parseArgs(process.argv.slice(2), {
+  string: ['config']
+});
+var PROJECT_PATH = argsOptions._[0];
+var PATH_TO_CONFIG = argsOptions.config;
+var _config = require(argsOptions.config);
+
 var path = require('path');
 var express = require('express');
 var backstop = require('../core/runner');
-var PROJECT_PATH = process.cwd();
-var PATH_TO_CONFIG = path.resolve(PROJECT_PATH, 'backstop');
-var _config = require(PATH_TO_CONFIG);
 var { modifyJsonpReport } = require('../core/util/remote');
 
 module.exports = function (app) {