From 058629c8bd4a310b4b69022b829b123bc39277cc Mon Sep 17 00:00:00 2001
From: pflannery <flannery.peter@ntlworld.com>
Date: Fri, 15 Apr 2016 20:16:22 +0700
Subject: [PATCH] adds preferLocal option for including 'node_modules/.bin' to
 path (#102)

closes #101

Closes #102
---
 package.json   |  5 ++++-
 readme.md      |  7 +++++++
 tasks/shell.js | 14 +++++++++++++-
 3 files changed, 24 insertions(+), 2 deletions(-)

diff --git a/package.json b/package.json
index d8a75e3..b859b1f 100644
--- a/package.json
+++ b/package.json
@@ -30,7 +30,10 @@
     "cli"
   ],
   "dependencies": {
-    "chalk": "^1.0.0"
+    "chalk": "^1.0.0",
+    "npm-run-path": "^1.0.0",
+    "object-assign": "^4.0.0",
+    "path-key": "^1.0.0"
   },
   "devDependencies": {
     "grunt": "^0.4.5",
diff --git a/readme.md b/readme.md
index a2a98b4..f4cff15 100644
--- a/readme.md
+++ b/readme.md
@@ -227,6 +227,13 @@ Lets you override the default callback with your own.
 
 **Make sure to call the `cb` method when you're done.**
 
+### preferLocal
+
+Type: `boolean`<br>
+Default: `false`
+
+When set to `true` will execute local binaries by name like npm run script
+
 ### execOptions
 
 Type: `object`
diff --git a/tasks/shell.js b/tasks/shell.js
index 747ccc1..74a09ed 100644
--- a/tasks/shell.js
+++ b/tasks/shell.js
@@ -1,6 +1,9 @@
 'use strict';
 var exec = require('child_process').exec;
 var chalk = require('chalk');
+var npmRunPath = require('npm-run-path');
+var objectAssign = require('object-assign');
+var pathKey = require('path-key');
 
 module.exports = function (grunt) {
 	grunt.registerMultiTask('shell', 'Run shell commands', function () {
@@ -10,7 +13,11 @@ module.exports = function (grunt) {
 			stderr: true,
 			stdin: true,
 			failOnError: true,
-			stdinRawMode: false
+			stdinRawMode: false,
+			preferLocal: false,
+			execOptions: {
+				env: null
+			}
 		});
 
 		var cmd = typeof this.data === 'string' ? this.data : this.data.command;
@@ -21,6 +28,11 @@ module.exports = function (grunt) {
 
 		cmd = grunt.template.process(typeof cmd === 'function' ? cmd.apply(grunt, arguments) : cmd);
 
+		if (options.preferLocal === true) {
+			options.execOptions.env = options.execOptions.env || objectAssign({}, process.env);
+			options.execOptions.env[pathKey()] = npmRunPath(options.execOptions.env);
+		}
+
 		var cp = exec(cmd, options.execOptions, function (err, stdout, stderr) {
 			if (typeof options.callback === 'function') {
 				options.callback.call(this, err, stdout, stderr, cb);