cleanup #102

Author: sindresorhus

package.json

@@ -32,8 +32,7 @@
   "dependencies": {
     "chalk": "^1.0.0",
     "npm-run-path": "^1.0.0",
-    "object-assign": "^4.0.0",
-    "path-key": "^1.0.0"
+    "object-assign": "^4.0.0"
   },
   "devDependencies": {
     "grunt": "^0.4.5",

readme.md

@@ -232,7 +232,7 @@ Lets you override the default callback with your own.
 Type: `boolean`<br>
 Default: `false`
 
-When set to `true` will execute local binaries by name like npm run script
+Execute local binaries by name like [npm run-script](http://blog.keithcirkel.co.uk/how-to-use-npm-as-a-build-tool/).
 
 ### execOptions
 

tasks/shell.js

@@ -3,7 +3,6 @@ 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 () {
@@ -30,7 +29,7 @@ module.exports = function (grunt) {
 
 		if (options.preferLocal === true) {
 			options.execOptions.env = options.execOptions.env || objectAssign({}, process.env);
-			options.execOptions.env[pathKey()] = npmRunPath(options.execOptions.env);
+			options.execOptions.env.PATH = npmRunPath({path: options.execOptions.env.PATH});
 		}
 
 		var cp = exec(cmd, options.execOptions, function (err, stdout, stderr) {