adding a grunt-contrib-copy dev dependency to create a local copy of local.js file and then updating config.js to include it and gruntfile.js to run it in all common tasks

config/config.js

@@ -4,7 +4,8 @@
  * Module dependencies.
  */
 var _ = require('lodash'),
-	glob = require('glob');
+	glob = require('glob'),
+	fs = require('fs');
 
 /**
  * Load app configurations
@@ -12,7 +13,7 @@ var _ = require('lodash'),
 module.exports = _.extend(
 	require('./env/all'),
 	require('./env/' + process.env.NODE_ENV),
-	require('./env/local.js') || {}
+	(fs.existsSync('./config/env/local.js') && require('./env/local.js')) || {}
 );
 
 /**

gruntfile.js

@@ -1,5 +1,7 @@
 'use strict';
 
+var fs = require('fs');
+
 module.exports = function(grunt) {
 	// Unified Watch Object
 	var watchFiles = {
@@ -143,6 +145,15 @@ module.exports = function(grunt) {
 			unit: {
 				configFile: 'karma.conf.js'
 			}
+		},
+		copy: {
+		    localConfig: {
+	            src: 'config/env/development.js',
+	            dest: 'config/env/local.js',
+	            filter: function() {
+	            	return !fs.existsSync('config/env/local.js');
+	            }
+		    }
 		}
 	});
 
@@ -162,13 +173,13 @@ module.exports = function(grunt) {
 	});
 
 	// Default task(s).
-	grunt.registerTask('default', ['lint', 'concurrent:default']);
+	grunt.registerTask('default', ['lint', 'copy:localConfig', 'concurrent:default']);
 
 	// Debug task.
-	grunt.registerTask('debug', ['lint', 'concurrent:debug']);
+	grunt.registerTask('debug', ['lint', 'copy:localConfig', 'concurrent:debug']);
 
 	// Secure task(s).
-	grunt.registerTask('secure', ['env:secure', 'lint', 'concurrent:default']);
+	grunt.registerTask('secure', ['env:secure', 'lint', 'copy:localConfig', 'concurrent:default']);
 
 	// Lint task(s).
 	grunt.registerTask('lint', ['jshint', 'csslint']);
@@ -177,7 +188,7 @@ module.exports = function(grunt) {
 	grunt.registerTask('build', ['lint', 'loadConfig', 'ngAnnotate', 'uglify', 'cssmin']);
 
 	// Test task.
-	grunt.registerTask('test', ['test:server', 'test:client']);
+	grunt.registerTask('test', ['copy:localConfig', 'test:server', 'test:client']);
 	grunt.registerTask('test:server', ['env:test', 'mochaTest']);
 	grunt.registerTask('test:client', ['env:test', 'karma:unit']);
 };

package.json

@@ -63,6 +63,7 @@
 		"grunt-mocha-test": "~0.12.1",
 		"grunt-karma": "~0.9.0",
 		"load-grunt-tasks": "~1.0.0",
+		"grunt-contrib-copy": "0.8",
 		"karma": "~0.12.0",
 		"karma-jasmine": "~0.2.1",
 		"karma-coverage": "~0.2.0",